subject:(Mass transfer)

Oregon State University

1. Lambert, Adam (Adam L.). Modeling rate-limited processes along non-uniform surfaces via the method of volume averaging.

Degree: PhD, Chemical Engineering, 2014, Oregon State University

URL: http://hdl.handle.net/1957/54905

► Quantification of macroscale transport phenomenon in microfluidic systems is important to many science and engineering disciplines. In part, this is because fully resolved solutions to… (more)

Subjects/Keywords: Mass Transfer; Mass transfer

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APA (6^th Edition):

Lambert, A. (. L. ). (2014). Modeling rate-limited processes along non-uniform surfaces via the method of volume averaging. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/54905

Chicago Manual of Style (16^th Edition):

Lambert, Adam (Adam L ). “Modeling rate-limited processes along non-uniform surfaces via the method of volume averaging.” 2014. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/54905.

MLA Handbook (7^th Edition):

Lambert, Adam (Adam L ). “Modeling rate-limited processes along non-uniform surfaces via the method of volume averaging.” 2014. Web. 02 Mar 2021.

Vancouver:

Lambert A(L). Modeling rate-limited processes along non-uniform surfaces via the method of volume averaging. [Internet] [Doctoral dissertation]. Oregon State University; 2014. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/54905.

Council of Science Editors:

Lambert A(L). Modeling rate-limited processes along non-uniform surfaces via the method of volume averaging. [Doctoral Dissertation]. Oregon State University; 2014. Available from: http://hdl.handle.net/1957/54905

Oregon State University

2. Cho, Jong Soo. Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions.

Degree: PhD, Chemical Engineering, 1987, Oregon State University

URL: http://hdl.handle.net/1957/9747

► The surface renewal rate from Danckwerts' theory and the effective interfacial area between gas and liquid per unit packing volume in a packed absorption tower… (more)

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Cho, J. S. (1987). Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/9747

Chicago Manual of Style (16^th Edition):

Cho, Jong Soo. “Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions.” 1987. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/9747.

MLA Handbook (7^th Edition):

Cho, Jong Soo. “Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions.” 1987. Web. 02 Mar 2021.

Vancouver:

Cho JS. Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions. [Internet] [Doctoral dissertation]. Oregon State University; 1987. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/9747.

Council of Science Editors:

Cho JS. Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions. [Doctoral Dissertation]. Oregon State University; 1987. Available from: http://hdl.handle.net/1957/9747

Ryerson University

3. Zhu, Yongjia. Liquid distribution and its effect on local mass transfer in a packed column of Pall rings.

Degree: 2005, Ryerson University

URL: https://digital.library.ryerson.ca/islandora/object/RULA%3A433

► The spatial variations of liquid distribution and local mass transfer coefficient in a 0.30-m column of 25.4-m Pall rings were investigated. The data of liquid… (more)

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Zhu, Y. (2005). Liquid distribution and its effect on local mass transfer in a packed column of Pall rings. (Thesis). Ryerson University. Retrieved from https://digital.library.ryerson.ca/islandora/object/RULA%3A433

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zhu, Yongjia. “Liquid distribution and its effect on local mass transfer in a packed column of Pall rings.” 2005. Thesis, Ryerson University. Accessed March 02, 2021. https://digital.library.ryerson.ca/islandora/object/RULA%3A433.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zhu, Yongjia. “Liquid distribution and its effect on local mass transfer in a packed column of Pall rings.” 2005. Web. 02 Mar 2021.

Vancouver:

Zhu Y. Liquid distribution and its effect on local mass transfer in a packed column of Pall rings. [Internet] [Thesis]. Ryerson University; 2005. [cited 2021 Mar 02]. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A433.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zhu Y. Liquid distribution and its effect on local mass transfer in a packed column of Pall rings. [Thesis]. Ryerson University; 2005. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A433

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

4. Bayan, Ghawamedin. Mass transfer in a multiple stage cross-current packed column.

Degree: PhD, Chemical Engineering, 1980, Oregon State University

URL: http://hdl.handle.net/1957/42131

► A cascade crosscurrent column, packed with Pall rings, was employed for ammonia absorption from ammonia-rich air phase by contacting with water. Absorption efficiency was presented… (more)

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Bayan, G. (1980). Mass transfer in a multiple stage cross-current packed column. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/42131

Chicago Manual of Style (16^th Edition):

Bayan, Ghawamedin. “Mass transfer in a multiple stage cross-current packed column.” 1980. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/42131.

MLA Handbook (7^th Edition):

Bayan, Ghawamedin. “Mass transfer in a multiple stage cross-current packed column.” 1980. Web. 02 Mar 2021.

Vancouver:

Bayan G. Mass transfer in a multiple stage cross-current packed column. [Internet] [Doctoral dissertation]. Oregon State University; 1980. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/42131.

Council of Science Editors:

Bayan G. Mass transfer in a multiple stage cross-current packed column. [Doctoral Dissertation]. Oregon State University; 1980. Available from: http://hdl.handle.net/1957/42131

Oregon State University

5. Al Dahhan, Muthana H. Design of liquid-liquid contractor for the experimental studies of mass transfer : the evaluation of interface mass transfer coefficients on the binary system water-n-butanol.

Degree: MS, Chemical Engineering, 1988, Oregon State University

URL: http://hdl.handle.net/1957/39448

► A contactor has been designed and constructed for experimental studies of mass transfer with or without chemical reaction between two fluid phases. The contactor is… (more)

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Al Dahhan, M. H. (1988). Design of liquid-liquid contractor for the experimental studies of mass transfer : the evaluation of interface mass transfer coefficients on the binary system water-n-butanol. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/39448

Chicago Manual of Style (16^th Edition):

Al Dahhan, Muthana H. “Design of liquid-liquid contractor for the experimental studies of mass transfer : the evaluation of interface mass transfer coefficients on the binary system water-n-butanol.” 1988. Masters Thesis, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/39448.

MLA Handbook (7^th Edition):

Al Dahhan, Muthana H. “Design of liquid-liquid contractor for the experimental studies of mass transfer : the evaluation of interface mass transfer coefficients on the binary system water-n-butanol.” 1988. Web. 02 Mar 2021.

Vancouver:

Al Dahhan MH. Design of liquid-liquid contractor for the experimental studies of mass transfer : the evaluation of interface mass transfer coefficients on the binary system water-n-butanol. [Internet] [Masters thesis]. Oregon State University; 1988. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/39448.

Council of Science Editors:

Al Dahhan MH. Design of liquid-liquid contractor for the experimental studies of mass transfer : the evaluation of interface mass transfer coefficients on the binary system water-n-butanol. [Masters Thesis]. Oregon State University; 1988. Available from: http://hdl.handle.net/1957/39448

Oregon State University

6. Kim, Tae In. Mass transport in laboratory water wave flumes.

Degree: PhD, Civil Engineering, 1984, Oregon State University

URL: http://hdl.handle.net/1957/40828

► A complete solution, exact to second-order, for wave motion forced by a hinged-wavemaker of variable-draft is presented. A solution for a piston type wavemaker is… (more)

▼ A complete solution, exact to second-order, for wave motion forced by a hinged-wavemaker of variable-draft is presented. A solution for a piston type wavemaker is also obtained as a special case of a hinged-wavemaker with negative infinite draft. The existing Stokes inviscid theories for mass transport is extended to include higher-harmonic wave components. The effects of mass transport in a closed wave flume is studied with particular attention given to the return flow, changes in wave celerity (frequency), and to the surface drift velocity. The laboratory waves generated by a plane wave board are shown to be composed of two components; viz., a Stokes second-order wave and a second-harmonic free wave which travels at a different speed. The amplitude of the second-harmonic free wave is relatively large in shallow water and decreases to less than 10% of the amplitude of the primary wave in deep water. Wavemakers with relatively deeper draft (i.e., hinged near the bottom) generate the free waves of smaller amplitude in shallow and intermediate water depths than the wavemakers with shallow draft. However, the opposite is predicted by theory in deep water. The fifth-order theory for the Lagrangian motion of water particles gives good predictions for the mass transport velocity for Stokes waves. The existence of the secondary free wave in laboratory channels results in an increase in the mass transport velocity over the whole depth. For both a flap-type wavemaker hinged on the channel bottom and a piston-type wavemaker, the increase at the free-surface is within 13% of the values for the Stokes wave only, for the wave steepness parameter 0.02 < H/L₀ < 0.16. For these two types of wavemakers, the decrease in wave celerity (frequency) due to the uniform return flow is within 6% of its value in an open flume for the wave steepness parameter 0.02 < H/L₀ < 0.12. The decrease in surface drift velocity due to the return flow is as large as 58% (20%) of the value in an open flume for waves with the steepness parameter H/L₀ =0.02 (0.14) at the relative water depth h/L₀ = 0.05 (0.30). Advisors/Committee Members: Hudspeth, Robert T. (advisor), Sollitt, Charles K. (committee member).

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Kim, T. I. (1984). Mass transport in laboratory water wave flumes. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/40828

Chicago Manual of Style (16^th Edition):

Kim, Tae In. “Mass transport in laboratory water wave flumes.” 1984. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/40828.

MLA Handbook (7^th Edition):

Kim, Tae In. “Mass transport in laboratory water wave flumes.” 1984. Web. 02 Mar 2021.

Vancouver:

Kim TI. Mass transport in laboratory water wave flumes. [Internet] [Doctoral dissertation]. Oregon State University; 1984. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/40828.

Council of Science Editors:

Kim TI. Mass transport in laboratory water wave flumes. [Doctoral Dissertation]. Oregon State University; 1984. Available from: http://hdl.handle.net/1957/40828

Oregon State University

7. Ruthaiyanont, Anuwat. A preliminary investigation in gas bubble formation from hypodermic needles into various depth water columns.

Degree: MS, Chemical Engineering, 1977, Oregon State University

URL: http://hdl.handle.net/1957/43226

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Ruthaiyanont, A. (1977). A preliminary investigation in gas bubble formation from hypodermic needles into various depth water columns. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/43226

Chicago Manual of Style (16^th Edition):

Ruthaiyanont, Anuwat. “A preliminary investigation in gas bubble formation from hypodermic needles into various depth water columns.” 1977. Masters Thesis, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/43226.

MLA Handbook (7^th Edition):

Ruthaiyanont, Anuwat. “A preliminary investigation in gas bubble formation from hypodermic needles into various depth water columns.” 1977. Web. 02 Mar 2021.

Vancouver:

Ruthaiyanont A. A preliminary investigation in gas bubble formation from hypodermic needles into various depth water columns. [Internet] [Masters thesis]. Oregon State University; 1977. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/43226.

Council of Science Editors:

Ruthaiyanont A. A preliminary investigation in gas bubble formation from hypodermic needles into various depth water columns. [Masters Thesis]. Oregon State University; 1977. Available from: http://hdl.handle.net/1957/43226

Oregon State University

8. Hughes, Patrick Conan. A steady-state, liquid-liquid contactor for experimental study of interphase mass transfer.

Degree: MS, Chemical Engineering, 1977, Oregon State University

URL: http://hdl.handle.net/1957/43645

► A steady-state, liquid-liquid contactor, which was a modified version of a cell Previously developed by Godfrey, was constructed for the study of interphase mass transfer.… (more)

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Hughes, P. C. (1977). A steady-state, liquid-liquid contactor for experimental study of interphase mass transfer. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/43645

Chicago Manual of Style (16^th Edition):

Hughes, Patrick Conan. “A steady-state, liquid-liquid contactor for experimental study of interphase mass transfer.” 1977. Masters Thesis, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/43645.

MLA Handbook (7^th Edition):

Hughes, Patrick Conan. “A steady-state, liquid-liquid contactor for experimental study of interphase mass transfer.” 1977. Web. 02 Mar 2021.

Vancouver:

Hughes PC. A steady-state, liquid-liquid contactor for experimental study of interphase mass transfer. [Internet] [Masters thesis]. Oregon State University; 1977. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/43645.

Council of Science Editors:

Hughes PC. A steady-state, liquid-liquid contactor for experimental study of interphase mass transfer. [Masters Thesis]. Oregon State University; 1977. Available from: http://hdl.handle.net/1957/43645

Stellenbosch University

9. Paquet, Emil Friedrich. Establishing a facility to measure the efficiency of structured packing under total reflux.

Degree: Process Engineering, 2011, Stellenbosch University

URL: http://hdl.handle.net/10019.1/6834

►

Thesis (MScEng (Process Engineering)) – University of Stellenbosch, 2011.

ENGLISH ABSTRACT: Structured packing is often the preferred choice for column internals because of its low pressure… (more)

▼

Thesis (MScEng (Process Engineering)) – University of Stellenbosch, 2011.

ENGLISH ABSTRACT: Structured packing is often the preferred choice for column internals because of its low pressure drop and high efficiencies compared to that of trays and random packing. However, the mass transfer phenomena in these gas-liquid contacting devices is still not well understood, even though it is widely used in industry. A contributing factor to this is the lack of understanding and availability of experimental data in the open literature. These shortcomings complicate the design of a distillation column and make practical experience essential. There is thus a need for more experimental data, especially for packings where only limited information is available. The focus of this study was to establish a testing facility that can be used to measure the efficiency of structured packing under total reflux, and not to measure vast quantities of experimental data; the latter will be done in future. The facilities available at Stellenbosch University limited the internal diameter of the column to 0.2 m, which is sufficient to test higher surface area structured packings (≥350 m2/m3). The column is used with a thermosyphon reboiler that uses steam as the heating source and is equipped with a total condenser. Two sections are used for the packed bed that allow for a total packed height of 3.78 m (2x1.89 m). The column is set up to operate under total reflux and was designed to operate at pressures ranging from 0.3 to 1 bar abs, vapour flow rates of 0.73 – 3.65 (m/s) (kg/m3)0.5 and liquid flow rates of 5 – 25 m3/(m2.h). It was found that the 2-butanol/iso-butanol and the p-xylene/o-xylene systems are suitable test mixtures for this pilot plant setup. The VLE data from Kutsarov et al. (1993) and Zong et al. (1983) for p-xylene/o-xylene and 2-butanol/iso-butanol are thermodynamic consistent and was validated by VLE experiments done in this study. It was found that the experimentally obtained efficiency (HETP) and pressure drop data for Mellapak 350Y compared well with published results of Spiegel and Meier (1987). With regard to the predictive models, it was found that i) the SRP model predicted the HETP of Mellapak 350Y structured packing accurately in the pre-loading region and slightly over predicted the HETP in the loading region, whereas ii) the Delft model over predicted HETP and iii) the Billet and Schultes model under-predicted HETP under the entire tested range (i.e. over-predict efficiency). With regard to the pressure drop data i) the Billet model iv accurately predicted the pressure drop over the entire tested range, whereas ii) the SRP model accurately predicted the pressure drop in the pre-loading region and slightly over predicted the pressure drop in the loading region and iii) the Delft model over predicted the pressure drop over the entire range and followed an almost parallel trend to the results from the SRP model. It was also found that information in the field of mass transfer in a…

Advisors/Committee Members: Knoetze, J. H., University of Stellenbosch. Faculty of Engineering. Dept. of Process Engineering..

Subjects/Keywords: Process engineering; Mass transfer phenomena

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APA (6^th Edition):

Paquet, E. F. (2011). Establishing a facility to measure the efficiency of structured packing under total reflux. (Thesis). Stellenbosch University. Retrieved from http://hdl.handle.net/10019.1/6834

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Paquet, Emil Friedrich. “Establishing a facility to measure the efficiency of structured packing under total reflux.” 2011. Thesis, Stellenbosch University. Accessed March 02, 2021. http://hdl.handle.net/10019.1/6834.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Paquet, Emil Friedrich. “Establishing a facility to measure the efficiency of structured packing under total reflux.” 2011. Web. 02 Mar 2021.

Vancouver:

Paquet EF. Establishing a facility to measure the efficiency of structured packing under total reflux. [Internet] [Thesis]. Stellenbosch University; 2011. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10019.1/6834.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Paquet EF. Establishing a facility to measure the efficiency of structured packing under total reflux. [Thesis]. Stellenbosch University; 2011. Available from: http://hdl.handle.net/10019.1/6834

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

10. Denenholz, Ira Marshall. The effect of neighboring spheres on mass transfer from a single sphere.

Degree: MS, Chemical Engineering, 1964, Oregon State University

URL: http://hdl.handle.net/1957/48566

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Denenholz, I. M. (1964). The effect of neighboring spheres on mass transfer from a single sphere. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/48566

Chicago Manual of Style (16^th Edition):

Denenholz, Ira Marshall. “The effect of neighboring spheres on mass transfer from a single sphere.” 1964. Masters Thesis, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/48566.

MLA Handbook (7^th Edition):

Denenholz, Ira Marshall. “The effect of neighboring spheres on mass transfer from a single sphere.” 1964. Web. 02 Mar 2021.

Vancouver:

Denenholz IM. The effect of neighboring spheres on mass transfer from a single sphere. [Internet] [Masters thesis]. Oregon State University; 1964. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/48566.

Council of Science Editors:

Denenholz IM. The effect of neighboring spheres on mass transfer from a single sphere. [Masters Thesis]. Oregon State University; 1964. Available from: http://hdl.handle.net/1957/48566

Oregon State University

11. Godfrey, James Hendricks. A new apparatus for studying mass transfer and reaction between two fluid phases.

Degree: PhD, Chemical Engineering, 1973, Oregon State University

URL: http://hdl.handle.net/1957/44905

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Godfrey, J. H. (1973). A new apparatus for studying mass transfer and reaction between two fluid phases. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/44905

Chicago Manual of Style (16^th Edition):

Godfrey, James Hendricks. “A new apparatus for studying mass transfer and reaction between two fluid phases.” 1973. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/44905.

MLA Handbook (7^th Edition):

Godfrey, James Hendricks. “A new apparatus for studying mass transfer and reaction between two fluid phases.” 1973. Web. 02 Mar 2021.

Vancouver:

Godfrey JH. A new apparatus for studying mass transfer and reaction between two fluid phases. [Internet] [Doctoral dissertation]. Oregon State University; 1973. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/44905.

Council of Science Editors:

Godfrey JH. A new apparatus for studying mass transfer and reaction between two fluid phases. [Doctoral Dissertation]. Oregon State University; 1973. Available from: http://hdl.handle.net/1957/44905

Oregon State University

12. Cluff, John Robert. Mobile phase mass transfer in chromatographic beds of impermeable spheres.

Degree: PhD, Chemistry, 1972, Oregon State University

URL: http://hdl.handle.net/1957/45000

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Cluff, J. R. (1972). Mobile phase mass transfer in chromatographic beds of impermeable spheres. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/45000

Chicago Manual of Style (16^th Edition):

Cluff, John Robert. “Mobile phase mass transfer in chromatographic beds of impermeable spheres.” 1972. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/45000.

MLA Handbook (7^th Edition):

Cluff, John Robert. “Mobile phase mass transfer in chromatographic beds of impermeable spheres.” 1972. Web. 02 Mar 2021.

Vancouver:

Cluff JR. Mobile phase mass transfer in chromatographic beds of impermeable spheres. [Internet] [Doctoral dissertation]. Oregon State University; 1972. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/45000.

Council of Science Editors:

Cluff JR. Mobile phase mass transfer in chromatographic beds of impermeable spheres. [Doctoral Dissertation]. Oregon State University; 1972. Available from: http://hdl.handle.net/1957/45000

Universidad de Cantabria

13. Rivero Martínez, María José. Diseño del proceso de purificación de estireno mediante adsorción en alúmina.

Degree: 2005, Universidad de Cantabria

URL: http://hdl.handle.net/10902/1220

► RESUMEN: En este trabajo se ha realizado el diseño del proceso de purificación de estireno mediante adsorción en alúmina. Esta purificación consiste básicamente en la… (more)

▼ RESUMEN: En este trabajo se ha realizado el diseño del proceso de purificación de estireno mediante adsorción en alúmina. Esta purificación consiste básicamente en la separación de agua y el inhibidor de la polimerización, 4-terc-butil catecol (TBC), presentes en el estireno como etapa previa en la obtención del caucho sintético, ya que la presencia de estos compuestos dificulta y encarece dicha operación. Para determinar las condiciones experimentales de trabajo, se ha tomado como referencia un proceso operativo actualmente a escala industrial en la planta de fabricación de caucho sintético que la empresa Dynasol Elastómeros posee en Gajano (Cantabria). Así mismo, se ha empleado el estireno que esta empresa utiliza como materia prima que posee alrededor de 150 mg/kg de agua y 15 mg/kg de TBC. En primer lugar, se ha procedido a la determinación de los equilibrios de adsorción agua-alúmina y TBC-alúmina. A continuación, se ha efectuado una serie de experimentos dinámicos a escala de laboratorio en los que se han obtenido la evolución de la concentración de cada uno de los adsorbatos en el estireno a la salida de la columna de adsorción en función del tiempo. Posteriormente, se ha llevado a cabo el desarrollo del modelo matemático para lo que se han analizado las distintas etapas en el proceso de transferencia de materia, así como sus consecuentes resistencias, y se han obtenido los parámetros correspondientes. A continuación, se ha realizado un análisis del cambio de escala, para lo que se ha procedido a la construcción de una planta piloto en la propia factoría que produce el caucho sintético, en la que se han realizado diversos experimentos que han sido contrastados con las simulaciones que predecía el modelo matemático. La comparación ha permitido validar el modelo y los parámetros cinéticos. Finalmente, utilizando el modelo y los parámetros obtenidos en las etapas anteriores se ha simulado el proceso de purificación de estireno operativo a escala industrial. Advisors/Committee Members: Ortiz Uribe, Inmaculada (advisor), Universidad de Cantabria (other).

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Rivero Martínez, M. J. (2005). Diseño del proceso de purificación de estireno mediante adsorción en alúmina. (Doctoral Dissertation). Universidad de Cantabria. Retrieved from http://hdl.handle.net/10902/1220

Chicago Manual of Style (16^th Edition):

Rivero Martínez, María José. “Diseño del proceso de purificación de estireno mediante adsorción en alúmina.” 2005. Doctoral Dissertation, Universidad de Cantabria. Accessed March 02, 2021. http://hdl.handle.net/10902/1220.

MLA Handbook (7^th Edition):

Rivero Martínez, María José. “Diseño del proceso de purificación de estireno mediante adsorción en alúmina.” 2005. Web. 02 Mar 2021.

Vancouver:

Rivero Martínez MJ. Diseño del proceso de purificación de estireno mediante adsorción en alúmina. [Internet] [Doctoral dissertation]. Universidad de Cantabria; 2005. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10902/1220.

Council of Science Editors:

Rivero Martínez MJ. Diseño del proceso de purificación de estireno mediante adsorción en alúmina. [Doctoral Dissertation]. Universidad de Cantabria; 2005. Available from: http://hdl.handle.net/10902/1220

University of Arizona

14. Mead, Richard Wilson, 1941-. THE EFFECT OF VARIATION OF DESIGN PARAMETERS ON THE MASS TRANSFER EFFICIENCY OF PACKED DISTILLATION COLUMNS .

Degree: 1971, University of Arizona

URL: http://hdl.handle.net/10150/287729

Subjects/Keywords: Mass transfer.

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APA (6^th Edition):

Mead, Richard Wilson, 1. (1971). THE EFFECT OF VARIATION OF DESIGN PARAMETERS ON THE MASS TRANSFER EFFICIENCY OF PACKED DISTILLATION COLUMNS . (Doctoral Dissertation). University of Arizona. Retrieved from http://hdl.handle.net/10150/287729

Chicago Manual of Style (16^th Edition):

Mead, Richard Wilson, 1941-. “THE EFFECT OF VARIATION OF DESIGN PARAMETERS ON THE MASS TRANSFER EFFICIENCY OF PACKED DISTILLATION COLUMNS .” 1971. Doctoral Dissertation, University of Arizona. Accessed March 02, 2021. http://hdl.handle.net/10150/287729.

MLA Handbook (7^th Edition):

Mead, Richard Wilson, 1941-. “THE EFFECT OF VARIATION OF DESIGN PARAMETERS ON THE MASS TRANSFER EFFICIENCY OF PACKED DISTILLATION COLUMNS .” 1971. Web. 02 Mar 2021.

Vancouver:

Mead, Richard Wilson 1. THE EFFECT OF VARIATION OF DESIGN PARAMETERS ON THE MASS TRANSFER EFFICIENCY OF PACKED DISTILLATION COLUMNS . [Internet] [Doctoral dissertation]. University of Arizona; 1971. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10150/287729.

Council of Science Editors:

Mead, Richard Wilson 1. THE EFFECT OF VARIATION OF DESIGN PARAMETERS ON THE MASS TRANSFER EFFICIENCY OF PACKED DISTILLATION COLUMNS . [Doctoral Dissertation]. University of Arizona; 1971. Available from: http://hdl.handle.net/10150/287729

University of British Columbia

15. Perkins, Ernest Henry. A reinvestigation of the theoretical basis for the calculation of isothermal-isobaric mass transfer in geochemical systems involving an aqueous phase.

Degree: MS- MSc, Geological Sciences, 1980, University of British Columbia

URL: http://hdl.handle.net/2429/22224

► Many geochemical processes involve the reaction of an aqueous phase with minerals with which the aqueous phase is not in equilibrium. Prediction of the change… (more)

Subjects/Keywords: Mass transfer

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APA (6^th Edition):

Perkins, E. H. (1980). A reinvestigation of the theoretical basis for the calculation of isothermal-isobaric mass transfer in geochemical systems involving an aqueous phase. (Masters Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/22224

Chicago Manual of Style (16^th Edition):

Perkins, Ernest Henry. “A reinvestigation of the theoretical basis for the calculation of isothermal-isobaric mass transfer in geochemical systems involving an aqueous phase.” 1980. Masters Thesis, University of British Columbia. Accessed March 02, 2021. http://hdl.handle.net/2429/22224.

MLA Handbook (7^th Edition):

Perkins, Ernest Henry. “A reinvestigation of the theoretical basis for the calculation of isothermal-isobaric mass transfer in geochemical systems involving an aqueous phase.” 1980. Web. 02 Mar 2021.

Vancouver:

Perkins EH. A reinvestigation of the theoretical basis for the calculation of isothermal-isobaric mass transfer in geochemical systems involving an aqueous phase. [Internet] [Masters thesis]. University of British Columbia; 1980. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2429/22224.

Council of Science Editors:

Perkins EH. A reinvestigation of the theoretical basis for the calculation of isothermal-isobaric mass transfer in geochemical systems involving an aqueous phase. [Masters Thesis]. University of British Columbia; 1980. Available from: http://hdl.handle.net/2429/22224

University of Texas – Austin

16. -1081-1133. Mass transfer rate in semi-aqueous amines for CO₂ capture: Mass transfer rate in semi-aqueous amines for carbon dioxide capture.

Degree: PhD, Chemical Engineering, 2018, University of Texas – Austin

URL: http://hdl.handle.net/2152/70605

► Amine scrubbing is the most promising solution to address CO₂ emission from power plants. Solvent development can significantly reduce the capital and energy cost of… (more)

▼ Amine scrubbing is the most promising solution to address CO₂ emission from power plants. Solvent development can significantly reduce the capital and energy cost of the process. This work rigorously studies the CO₂ mass transfer and solubility at flue gas treating process condition for aqueous and semi-aqueous amines. A second-generation aqueous amine solvent: 2methylpiperazine (2MPZ) blended with piperazine (PZ) that has been developed with good overall performance. The effect of viscosity on absorption rate and heat exchanger has been identified. Optimal concentration for 2MPZ/PZ is found to be 5 m (5 mole/kg water). Thermodynamic and kinetic model has been developed for 2MPZ/PZ in Aspen Plus to allow economic assessments, and process modeling. Semi-aqueous MEA/PZ composes of physical solvent, water, and amine has been characterized. Ultra-fast absorption rate at lean loading has been achieved. The effect of viscosity, diffusivity, CO₂ activity (physical solubility), and amine activity on mass transfer rate (kg') has been studied. kg' increases because of reduced operating CO₂ loading (higher MEA concentration at the same P [superscript *] [subscript CO2]), greater CO₂ physical solubility, and greater MEA activity. The increase in kg' becomes less significant at higher loading due to low diffusivity by high viscosity. The mass transfer model of CO₂ diffusion and reaction with semi-aqueous MEA was built in MATLAB [superscript ®]. Sensitive analysis shows the relationship between rate and solvent physical/thermal properties. The pseudo first order approximation is not applicable to semi-aqueous MEA because of surface depletion of MEA. The energy use of CO₂ capture by amine scrubbing can be estimated by adding minimum work and lost work. Semi-aqueous amines reduces the lost work in the condenser due to less water evaporation in the stripper, which. However; second generation amine processes use advanced stripper configurations can accomplish the same effect with little additional capital cost. Besides viscosity, thermal conductivity and heat capacity also effect the heat exchanger cost. Comprehensive normalized capacity has been developed. An advanced solvent with high normalized capacity can reduce the CAPEX/OPEX of the heat exchanger no matter the solvent is water lean or not. [Mathematical equation]. Advisors/Committee Members: Rochelle, Gary T. (advisor), Sanchez, Isaac C. (committee member), Hwang, Gyeong S. (committee member), Dugas, Ross E. (committee member).

Subjects/Keywords: Carbon capture; Mass transfer

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APA (6^th Edition):

-1081-1133. (2018). Mass transfer rate in semi-aqueous amines for CO₂ capture: Mass transfer rate in semi-aqueous amines for carbon dioxide capture. (Doctoral Dissertation). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/70605

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Chicago Manual of Style (16^th Edition):

-1081-1133. “Mass transfer rate in semi-aqueous amines for CO₂ capture: Mass transfer rate in semi-aqueous amines for carbon dioxide capture.” 2018. Doctoral Dissertation, University of Texas – Austin. Accessed March 02, 2021. http://hdl.handle.net/2152/70605.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

MLA Handbook (7^th Edition):

-1081-1133. “Mass transfer rate in semi-aqueous amines for CO₂ capture: Mass transfer rate in semi-aqueous amines for carbon dioxide capture.” 2018. Web. 02 Mar 2021.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Vancouver:

-1081-1133. Mass transfer rate in semi-aqueous amines for CO₂ capture: Mass transfer rate in semi-aqueous amines for carbon dioxide capture. [Internet] [Doctoral dissertation]. University of Texas – Austin; 2018. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2152/70605.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Council of Science Editors:

-1081-1133. Mass transfer rate in semi-aqueous amines for CO₂ capture: Mass transfer rate in semi-aqueous amines for carbon dioxide capture. [Doctoral Dissertation]. University of Texas – Austin; 2018. Available from: http://hdl.handle.net/2152/70605

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

17. Asher, William Edward. An examination of the hydrodynamics governing a liquid-phase rate controlled gas/liquid mass transport process at clean and film-covered liquid surfaces.

Degree: PhD, 1987, Oregon Health Sciences University

URL: doi:10.6083/M42R3PNZ ; http://digitalcommons.ohsu.edu/etd/247

Subjects/Keywords: Hydrodynamics; Mass transfer

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APA (6^th Edition):

Asher, W. E. (1987). An examination of the hydrodynamics governing a liquid-phase rate controlled gas/liquid mass transport process at clean and film-covered liquid surfaces. (Doctoral Dissertation). Oregon Health Sciences University. Retrieved from doi:10.6083/M42R3PNZ ; http://digitalcommons.ohsu.edu/etd/247

Chicago Manual of Style (16^th Edition):

Asher, William Edward. “An examination of the hydrodynamics governing a liquid-phase rate controlled gas/liquid mass transport process at clean and film-covered liquid surfaces.” 1987. Doctoral Dissertation, Oregon Health Sciences University. Accessed March 02, 2021. doi:10.6083/M42R3PNZ ; http://digitalcommons.ohsu.edu/etd/247.

MLA Handbook (7^th Edition):

Asher, William Edward. “An examination of the hydrodynamics governing a liquid-phase rate controlled gas/liquid mass transport process at clean and film-covered liquid surfaces.” 1987. Web. 02 Mar 2021.

Vancouver:

Asher WE. An examination of the hydrodynamics governing a liquid-phase rate controlled gas/liquid mass transport process at clean and film-covered liquid surfaces. [Internet] [Doctoral dissertation]. Oregon Health Sciences University; 1987. [cited 2021 Mar 02]. Available from: doi:10.6083/M42R3PNZ ; http://digitalcommons.ohsu.edu/etd/247.

Council of Science Editors:

Asher WE. An examination of the hydrodynamics governing a liquid-phase rate controlled gas/liquid mass transport process at clean and film-covered liquid surfaces. [Doctoral Dissertation]. Oregon Health Sciences University; 1987. Available from: doi:10.6083/M42R3PNZ ; http://digitalcommons.ohsu.edu/etd/247

Cape Peninsula University of Technology

18. De Jager, Debbie. Streptomyces coelicolor biofilm growth kinetics and oxygen mass transfer within a membrane gradostat bioreactor .

Degree: 2009, Cape Peninsula University of Technology

URL: http://etd.cput.ac.za/handle/20.500.11838/892

► The main purpose of this study was to quantify the growth and oxygen mass transfer kinetic parameters of the filamentous bacterium Streptomyces coelicolor, immobilised on… (more)

Subjects/Keywords: Mass transfer; Bioreactors; Biofilms; Streptomyces coelicolor

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APA (6^th Edition):

De Jager, D. (2009). Streptomyces coelicolor biofilm growth kinetics and oxygen mass transfer within a membrane gradostat bioreactor . (Thesis). Cape Peninsula University of Technology. Retrieved from http://etd.cput.ac.za/handle/20.500.11838/892

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

De Jager, Debbie. “Streptomyces coelicolor biofilm growth kinetics and oxygen mass transfer within a membrane gradostat bioreactor .” 2009. Thesis, Cape Peninsula University of Technology. Accessed March 02, 2021. http://etd.cput.ac.za/handle/20.500.11838/892.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

De Jager, Debbie. “Streptomyces coelicolor biofilm growth kinetics and oxygen mass transfer within a membrane gradostat bioreactor .” 2009. Web. 02 Mar 2021.

Vancouver:

De Jager D. Streptomyces coelicolor biofilm growth kinetics and oxygen mass transfer within a membrane gradostat bioreactor . [Internet] [Thesis]. Cape Peninsula University of Technology; 2009. [cited 2021 Mar 02]. Available from: http://etd.cput.ac.za/handle/20.500.11838/892.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

De Jager D. Streptomyces coelicolor biofilm growth kinetics and oxygen mass transfer within a membrane gradostat bioreactor . [Thesis]. Cape Peninsula University of Technology; 2009. Available from: http://etd.cput.ac.za/handle/20.500.11838/892

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Hong Kong

19. Yeung, Shuk-wa. Mass transfer from fluidized beds.

Degree: 1973, University of Hong Kong

URL: http://hdl.handle.net/10722/128544

Subjects/Keywords: Mass transfer.; Fluidization.

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APA (6^th Edition):

Yeung, S. (1973). Mass transfer from fluidized beds. (Thesis). University of Hong Kong. Retrieved from http://hdl.handle.net/10722/128544

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Yeung, Shuk-wa. “Mass transfer from fluidized beds.” 1973. Thesis, University of Hong Kong. Accessed March 02, 2021. http://hdl.handle.net/10722/128544.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Yeung, Shuk-wa. “Mass transfer from fluidized beds.” 1973. Web. 02 Mar 2021.

Vancouver:

Yeung S. Mass transfer from fluidized beds. [Internet] [Thesis]. University of Hong Kong; 1973. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10722/128544.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Yeung S. Mass transfer from fluidized beds. [Thesis]. University of Hong Kong; 1973. Available from: http://hdl.handle.net/10722/128544

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Alberta

20. Marcotte, Michelle. Mass transport phenomena in osmotic processes: experimental measurements and theoretical considerations.

Degree: MS, Department of Food Science, 1988, University of Alberta

URL: https://era.library.ualberta.ca/files/qn59q638k

Subjects/Keywords: Osmosis.; Mass transfer.

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APA (6^th Edition):

Marcotte, M. (1988). Mass transport phenomena in osmotic processes: experimental measurements and theoretical considerations. (Masters Thesis). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/qn59q638k

Chicago Manual of Style (16^th Edition):

Marcotte, Michelle. “Mass transport phenomena in osmotic processes: experimental measurements and theoretical considerations.” 1988. Masters Thesis, University of Alberta. Accessed March 02, 2021. https://era.library.ualberta.ca/files/qn59q638k.

MLA Handbook (7^th Edition):

Marcotte, Michelle. “Mass transport phenomena in osmotic processes: experimental measurements and theoretical considerations.” 1988. Web. 02 Mar 2021.

Vancouver:

Marcotte M. Mass transport phenomena in osmotic processes: experimental measurements and theoretical considerations. [Internet] [Masters thesis]. University of Alberta; 1988. [cited 2021 Mar 02]. Available from: https://era.library.ualberta.ca/files/qn59q638k.

Council of Science Editors:

Marcotte M. Mass transport phenomena in osmotic processes: experimental measurements and theoretical considerations. [Masters Thesis]. University of Alberta; 1988. Available from: https://era.library.ualberta.ca/files/qn59q638k

University of Alberta

21. Sadighian, Ardalan. Mass transfer between pentane and heavy hydrocarbons.

Degree: MS, Department of Chemical and Materials Engineering, 2010, University of Alberta

URL: https://era.library.ualberta.ca/files/g732db141

► The demand for accurate bitumen-pentane mass transfer data was the main motivation behind this research. Difficulties such as complex phase behavior, high viscosity and opacity… (more)

Subjects/Keywords: pentane; mass transfer; bitumen; heavy hyrdocarbons; diffusion

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APA (6^th Edition):

Sadighian, A. (2010). Mass transfer between pentane and heavy hydrocarbons. (Masters Thesis). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/g732db141

Chicago Manual of Style (16^th Edition):

Sadighian, Ardalan. “Mass transfer between pentane and heavy hydrocarbons.” 2010. Masters Thesis, University of Alberta. Accessed March 02, 2021. https://era.library.ualberta.ca/files/g732db141.

MLA Handbook (7^th Edition):

Sadighian, Ardalan. “Mass transfer between pentane and heavy hydrocarbons.” 2010. Web. 02 Mar 2021.

Vancouver:

Sadighian A. Mass transfer between pentane and heavy hydrocarbons. [Internet] [Masters thesis]. University of Alberta; 2010. [cited 2021 Mar 02]. Available from: https://era.library.ualberta.ca/files/g732db141.

Council of Science Editors:

Sadighian A. Mass transfer between pentane and heavy hydrocarbons. [Masters Thesis]. University of Alberta; 2010. Available from: https://era.library.ualberta.ca/files/g732db141

Vanderbilt University

22. Tovar, Trenton Marcus. Adsorption Equilibria and Mass Transfer in Porous Adsorbents.

Degree: PhD, Chemical Engineering, 2016, Vanderbilt University

URL: http://hdl.handle.net/1803/11623

► Adsorption is an interfacial phenomenon in which intermolecular forces between a molecule and a surface create an adsorbed phase with different properties than the bulk… (more)

▼ Adsorption is an interfacial phenomenon in which intermolecular forces between a molecule and a surface create an adsorbed phase with different properties than the bulk fluid. Variation in the adsorbed phase among different adsorbate and solid adsorbent pairs is the driving force for many gas-phase separations. To efficiently design these separation processes, detailed characterization of the adsorbed phase over a range of operating conditions is required. The two main characteristics of the adsorbed phase that need to be well understood are adsorption equilibria and mass transfer rates, i.e. how much and how fast molecules are adsorbed. The purpose of this work is to use fundamental principles of adsorption to measure and interpret adsorption equilibria and mass transfer rates in various systems of interest. A concentration-swing frequency response (CSFR) method was used to measure mass transfer rates of a series of hydrocarbons in BPL activated carbon. Hydrocarbons with different ring and branched structures were used to test for steric effects on diffusion in the amorphous adsorbent. A correlation between rigid-ring structures and lower diffusivity was found. CSFR was also used to measure diffusion rates of CO2 in large single crystals of Cu-BTC, a metal-organic framework (MOF). Many MOFs have been studied as adsorbents for carbon capture and sequestration, but diffusion rates in the literature are scarce. The single crystal morphology of Cu-BTC allowed accurate measurements of micropore diffusion coefficients. Mass transfer rates were also measured on bidisperse pellets of a highly stable MOF, UiO-66, for CO2 and ethane. Macropore diffusion was determined to be the controlling resistance for both adsorbates. Volumetric methods were used to measure high pressure oxygen isotherms on a series of MOFs. MOFs with coordinatively unsaturated Cu metal sites were found to be promising candidates for oxygen storage, with capacities greater than current state of the art adsorbents. Finally, novel adsorbents were synthesized for a CO2 scrubber in a rebreather apparatus. The challenge for these adsorbents was obtaining high CO2 capacities at ambient temperatures, despite low CO2 partial pressures in water saturated conditions, while preventing mass transfer limitations. Advisors/Committee Members: Kenneth A. Debelak (committee member), Paul E. Laibinis (committee member), Eugene J. LeBoeuf (committee member), M. Douglas LeVan (Committee Chair).

Subjects/Keywords: Adsorption; mass transfer; metal-organic framework

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APA (6^th Edition):

Tovar, T. M. (2016). Adsorption Equilibria and Mass Transfer in Porous Adsorbents. (Doctoral Dissertation). Vanderbilt University. Retrieved from http://hdl.handle.net/1803/11623

Chicago Manual of Style (16^th Edition):

Tovar, Trenton Marcus. “Adsorption Equilibria and Mass Transfer in Porous Adsorbents.” 2016. Doctoral Dissertation, Vanderbilt University. Accessed March 02, 2021. http://hdl.handle.net/1803/11623.

MLA Handbook (7^th Edition):

Tovar, Trenton Marcus. “Adsorption Equilibria and Mass Transfer in Porous Adsorbents.” 2016. Web. 02 Mar 2021.

Vancouver:

Tovar TM. Adsorption Equilibria and Mass Transfer in Porous Adsorbents. [Internet] [Doctoral dissertation]. Vanderbilt University; 2016. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1803/11623.

Council of Science Editors:

Tovar TM. Adsorption Equilibria and Mass Transfer in Porous Adsorbents. [Doctoral Dissertation]. Vanderbilt University; 2016. Available from: http://hdl.handle.net/1803/11623

Texas A&M University

23. Oh, Sung Hyuk. Experimental and numerical investigation of turbulent flow and heat (mass) transfer in a two-pass trapezoidal channel with turbulence promoters.

Degree: PhD, Mechanical Engineering, 2009, Texas A&M University

URL: http://hdl.handle.net/1969.1/ETD-TAMU-3198

► Experiments and numerical predictions were conducted to study heat (mass) transfer characteristics in a two-pass trapezoidal channel simulating the cooling passage of a gas turbine… (more)

Subjects/Keywords: heat (mass) transfer

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APA (6^th Edition):

Oh, S. H. (2009). Experimental and numerical investigation of turbulent flow and heat (mass) transfer in a two-pass trapezoidal channel with turbulence promoters. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-3198

Chicago Manual of Style (16^th Edition):

Oh, Sung Hyuk. “Experimental and numerical investigation of turbulent flow and heat (mass) transfer in a two-pass trapezoidal channel with turbulence promoters.” 2009. Doctoral Dissertation, Texas A&M University. Accessed March 02, 2021. http://hdl.handle.net/1969.1/ETD-TAMU-3198.

MLA Handbook (7^th Edition):

Oh, Sung Hyuk. “Experimental and numerical investigation of turbulent flow and heat (mass) transfer in a two-pass trapezoidal channel with turbulence promoters.” 2009. Web. 02 Mar 2021.

Vancouver:

Oh SH. Experimental and numerical investigation of turbulent flow and heat (mass) transfer in a two-pass trapezoidal channel with turbulence promoters. [Internet] [Doctoral dissertation]. Texas A&M University; 2009. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-3198.

Council of Science Editors:

Oh SH. Experimental and numerical investigation of turbulent flow and heat (mass) transfer in a two-pass trapezoidal channel with turbulence promoters. [Doctoral Dissertation]. Texas A&M University; 2009. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-3198

University of California – Berkeley

24. Funke, Claire. Mass Transfer Phenomena and Pharmacokinetics in Topical Delivery of anti-HIV Microbicides.

Degree: Mechanical Engineering, 2018, University of California – Berkeley

URL: http://www.escholarship.org/uc/item/5tm2743k

► Topically applied anti-HIV microbicides are placed within a cultural, economic, and ethical context in order to motivate research into their development. This leads to the… (more)

Subjects/Keywords: Mechanical engineering; Fluids; Mass Transfer; Microbicides; Pharmacokinetics

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APA (6^th Edition):

Funke, C. (2018). Mass Transfer Phenomena and Pharmacokinetics in Topical Delivery of anti-HIV Microbicides. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/5tm2743k

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Funke, Claire. “Mass Transfer Phenomena and Pharmacokinetics in Topical Delivery of anti-HIV Microbicides.” 2018. Thesis, University of California – Berkeley. Accessed March 02, 2021. http://www.escholarship.org/uc/item/5tm2743k.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Funke, Claire. “Mass Transfer Phenomena and Pharmacokinetics in Topical Delivery of anti-HIV Microbicides.” 2018. Web. 02 Mar 2021.

Vancouver:

Funke C. Mass Transfer Phenomena and Pharmacokinetics in Topical Delivery of anti-HIV Microbicides. [Internet] [Thesis]. University of California – Berkeley; 2018. [cited 2021 Mar 02]. Available from: http://www.escholarship.org/uc/item/5tm2743k.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Funke C. Mass Transfer Phenomena and Pharmacokinetics in Topical Delivery of anti-HIV Microbicides. [Thesis]. University of California – Berkeley; 2018. Available from: http://www.escholarship.org/uc/item/5tm2743k

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

25. Elzy, E., 1940-. Transpiration cooling of a cylinder in crossflow.

Degree: PhD, Chemical Engineering, 1966, Oregon State University

URL: http://hdl.handle.net/1957/47411

Subjects/Keywords: Mass transfer – Cooling

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APA (6^th Edition):

Elzy, E., 1. (1966). Transpiration cooling of a cylinder in crossflow. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/47411

Chicago Manual of Style (16^th Edition):

Elzy, E., 1940-. “Transpiration cooling of a cylinder in crossflow.” 1966. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/47411.

MLA Handbook (7^th Edition):

Elzy, E., 1940-. “Transpiration cooling of a cylinder in crossflow.” 1966. Web. 02 Mar 2021.

Vancouver:

Elzy, E. 1. Transpiration cooling of a cylinder in crossflow. [Internet] [Doctoral dissertation]. Oregon State University; 1966. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/47411.

Council of Science Editors:

Elzy, E. 1. Transpiration cooling of a cylinder in crossflow. [Doctoral Dissertation]. Oregon State University; 1966. Available from: http://hdl.handle.net/1957/47411

University of Cambridge

26. Robertson, Christopher Ian. Characterising adsorption and mass transfer in porous media.

Degree: PhD, 2018, University of Cambridge

URL: https://doi.org/10.17863/CAM.22464 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.744746

► The work presented in this thesis has focused on the development and implementation of two-dimensional (2D) nuclear magnetic resonance (NMR) correlation techniques to unambiguously discriminate… (more)

▼ The work presented in this thesis has focused on the development and implementation of two-dimensional (2D) nuclear magnetic resonance (NMR) correlation techniques to unambiguously discriminate and characterise competitive adsorption and mass transfer processes in porous materials. This has primarily involved investigations on porous oxides; in particular silicas and aluminas commonly used as catalyst supports. The techniques used are demonstrated to be capable of acquiring information relevant to the performance of heterogeneous catalysts and adsorbents across the hierarchy of length scales relevant to industrial processes. The methodologies associated with the acquisition and processing of 2D NMR correlation data were first established through the development of analytical models capable of simulating 2D signal attenuation data for T1-T2, D-T2 and T2-T2 experiments. Common artefacts were also discussed by means of experimental and simulated examples and, where appropriate, methods have been introduced for their prevention. The NMR relaxation behaviour of water saturating the pore space of silica was observed to correlate strongly with independent measurements of the activation energy of dehydroxylation, thus establishing NMR relaxometry as a tool for directly probing the surface energetics of silica surfaces. This interpretation of T1/T2 ratios differs from that in conventional applications of the technique which typically present the ratio as an indicator of surface-adsorbate interaction strength. Here, the T1/T2 ratios of three liquid probe molecules: ethanol, diethyl ether and cyclohexane, are used to investigate the influence of pore size and density of adsorption sites on relaxation behaviour. Competitive adsorption behaviour has been directly investigated through the acquisition of T1-T2 correlation data of binary liquid mixtures imbibed in various silica supports. These measurements, in combination with a newly developed model for the relaxation of multi-component mixtures, have provided a comprehensive assessment of the ability of this technique to quantify intra-pellet compositions and address competitive adsorption behaviour in porous media. With the aid of a random walk Monte-Carlo model to simulate transverse relaxation in packed bed reactors, T2-T2 relaxation exchange measurements have been used to investigate mass transfer across the fluid-solid boundary in a packed bed reactor filled with γ-alumina and liquid cyclohexane. These data were used to quantify the rate of exchange between intra- and inter-pellet environments at a number of flow rates. Exchange rates were then converted into the more convenient terms of mass transfer coefficients and compared against literature data using two separate dimensionless mass transfer analyses.

Subjects/Keywords: 660; NMR; Adsorption; Mass Transfer; Porous Media

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APA (6^th Edition):

Robertson, C. I. (2018). Characterising adsorption and mass transfer in porous media. (Doctoral Dissertation). University of Cambridge. Retrieved from https://doi.org/10.17863/CAM.22464 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.744746

Chicago Manual of Style (16^th Edition):

Robertson, Christopher Ian. “Characterising adsorption and mass transfer in porous media.” 2018. Doctoral Dissertation, University of Cambridge. Accessed March 02, 2021. https://doi.org/10.17863/CAM.22464 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.744746.

MLA Handbook (7^th Edition):

Robertson, Christopher Ian. “Characterising adsorption and mass transfer in porous media.” 2018. Web. 02 Mar 2021.

Vancouver:

Robertson CI. Characterising adsorption and mass transfer in porous media. [Internet] [Doctoral dissertation]. University of Cambridge; 2018. [cited 2021 Mar 02]. Available from: https://doi.org/10.17863/CAM.22464 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.744746.

Council of Science Editors:

Robertson CI. Characterising adsorption and mass transfer in porous media. [Doctoral Dissertation]. University of Cambridge; 2018. Available from: https://doi.org/10.17863/CAM.22464 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.744746

27. Murray, Simon Thomas. Applications of membrane aerated biofilm reactors for wastewater treatment.

Degree: PhD, 2016, Queen's University Belfast

URL: https://pure.qub.ac.uk/portal/en/theses/applications-of-membrane-aerated-biofilm-reactors-for-wastewater-treatment(af60a6ed-09b7-4b95-8730-d3de83b3876e).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709680

► Despite being the subject of peer reviewed research since the mid-1980s, the conservative nature of the wastewater treatment industry means that the commercial application of… (more)

Subjects/Keywords: 628.1; Membranes; Biofilms; Wastewater Treatment; Mass Transfer

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APA (6^th Edition):

Murray, S. T. (2016). Applications of membrane aerated biofilm reactors for wastewater treatment. (Doctoral Dissertation). Queen's University Belfast. Retrieved from https://pure.qub.ac.uk/portal/en/theses/applications-of-membrane-aerated-biofilm-reactors-for-wastewater-treatment(af60a6ed-09b7-4b95-8730-d3de83b3876e).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709680

Chicago Manual of Style (16^th Edition):

Murray, Simon Thomas. “Applications of membrane aerated biofilm reactors for wastewater treatment.” 2016. Doctoral Dissertation, Queen's University Belfast. Accessed March 02, 2021. https://pure.qub.ac.uk/portal/en/theses/applications-of-membrane-aerated-biofilm-reactors-for-wastewater-treatment(af60a6ed-09b7-4b95-8730-d3de83b3876e).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709680.

MLA Handbook (7^th Edition):

Murray, Simon Thomas. “Applications of membrane aerated biofilm reactors for wastewater treatment.” 2016. Web. 02 Mar 2021.

Vancouver:

Murray ST. Applications of membrane aerated biofilm reactors for wastewater treatment. [Internet] [Doctoral dissertation]. Queen's University Belfast; 2016. [cited 2021 Mar 02]. Available from: https://pure.qub.ac.uk/portal/en/theses/applications-of-membrane-aerated-biofilm-reactors-for-wastewater-treatment(af60a6ed-09b7-4b95-8730-d3de83b3876e).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709680.

Council of Science Editors:

Murray ST. Applications of membrane aerated biofilm reactors for wastewater treatment. [Doctoral Dissertation]. Queen's University Belfast; 2016. Available from: https://pure.qub.ac.uk/portal/en/theses/applications-of-membrane-aerated-biofilm-reactors-for-wastewater-treatment(af60a6ed-09b7-4b95-8730-d3de83b3876e).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709680

Hong Kong University of Science and Technology

28. Wu, Qixing. Characteristics of mass transport in direct methanol fuel cells operating with highly-concentrated fuel.

Degree: 2011, Hong Kong University of Science and Technology

URL: http://repository.ust.hk/ir/Record/1783.1-7359 ; https://doi.org/10.14711/thesis-b1155688 ; http://repository.ust.hk/ir/bitstream/1783.1-7359/1/th_redirect.html

► A significant advantage of direct methanol fuel cells (DMFCs) is the high specific energy of the liquid fuel, making it particularly suitable for mobile applications.… (more)

▼ A significant advantage of direct methanol fuel cells (DMFCs) is the high specific energy of the liquid fuel, making it particularly suitable for mobile applications. Nevertheless, conventional DMFCs have to operate with excessively diluted methanol solutions to limit the methanol crossover and its detrimental consequences. Operation with diluted methanol solutions significantly reduces the specific energy of the power pack and thereby prevents it from competing with advanced batteries. In view of this fact, there exists a need to improve conventional DMFC system designs, including membrane electrode assemblies and the subsystems for supplying/removing reactants/products. This thesis focuses on experimental and theoretical investigation of mass transfer characteristics in DMFCs operating with highly-concentrated and neat methanol. First of all, a microfluidic-structured anode flow field has been developed. The fuel cell tests show that the innovative flow field allows the DMFC to achieve a good performance with a methanol concentration as high as 18.0 M. The remainder of the thesis is then focused on the study of neat methanol operating characteristics. To understand the role of water, a method that enables the water transport rate through the membrane to be in-situ determined has been developed. With this method, the effects of the MEA design and operating conditions on the water transport as well as its influence on the product distribution of the MOR, the anode overpotential and the cell internal resistance have been investigated. With the increased understanding of water transport characteristics, the design of the cathode gas diffusion layer has been optimized to improve both the water and oxygen management. To further increase the performance, a thin layer consisting of nanosized SiO2 particles and Nafion ionomer is proposed to be coated onto each side of the membrane; the experimental results show that the added SiO2 layers can upgrade the cell performance by 26%. Keywords: Direct methanol fuel cell; Specific energy; Concentrated fuel; Neat methanol; Mass transport

Subjects/Keywords: Fuel cells ; Methanol as fuel ; Mass transfer

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Wu, Q. (2011). Characteristics of mass transport in direct methanol fuel cells operating with highly-concentrated fuel. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-7359 ; https://doi.org/10.14711/thesis-b1155688 ; http://repository.ust.hk/ir/bitstream/1783.1-7359/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wu, Qixing. “Characteristics of mass transport in direct methanol fuel cells operating with highly-concentrated fuel.” 2011. Thesis, Hong Kong University of Science and Technology. Accessed March 02, 2021. http://repository.ust.hk/ir/Record/1783.1-7359 ; https://doi.org/10.14711/thesis-b1155688 ; http://repository.ust.hk/ir/bitstream/1783.1-7359/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wu, Qixing. “Characteristics of mass transport in direct methanol fuel cells operating with highly-concentrated fuel.” 2011. Web. 02 Mar 2021.

Vancouver:

Wu Q. Characteristics of mass transport in direct methanol fuel cells operating with highly-concentrated fuel. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2011. [cited 2021 Mar 02]. Available from: http://repository.ust.hk/ir/Record/1783.1-7359 ; https://doi.org/10.14711/thesis-b1155688 ; http://repository.ust.hk/ir/bitstream/1783.1-7359/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wu Q. Characteristics of mass transport in direct methanol fuel cells operating with highly-concentrated fuel. [Thesis]. Hong Kong University of Science and Technology; 2011. Available from: http://repository.ust.hk/ir/Record/1783.1-7359 ; https://doi.org/10.14711/thesis-b1155688 ; http://repository.ust.hk/ir/bitstream/1783.1-7359/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Utah State University

29. Stoker, Emily B. Comparative Studies on Scale-Up Methods of Single-Use Bioreactors.

Degree: MS, Biological and Irrigation Engineering, 2011, Utah State University

URL: https://digitalcommons.usu.edu/etd/889

► This study was performed to increase knowledge of oxygen mass transfer (kLa) and mixing times in the scale-up of disposable bioreactors.Results of oxygen mass… (more)

Subjects/Keywords: Bioreactors; Oxygen mass transfer; Single-use; Engineering

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Stoker, E. B. (2011). Comparative Studies on Scale-Up Methods of Single-Use Bioreactors. (Masters Thesis). Utah State University. Retrieved from https://digitalcommons.usu.edu/etd/889

Chicago Manual of Style (16^th Edition):

Stoker, Emily B. “Comparative Studies on Scale-Up Methods of Single-Use Bioreactors.” 2011. Masters Thesis, Utah State University. Accessed March 02, 2021. https://digitalcommons.usu.edu/etd/889.

MLA Handbook (7^th Edition):

Stoker, Emily B. “Comparative Studies on Scale-Up Methods of Single-Use Bioreactors.” 2011. Web. 02 Mar 2021.

Vancouver:

Stoker EB. Comparative Studies on Scale-Up Methods of Single-Use Bioreactors. [Internet] [Masters thesis]. Utah State University; 2011. [cited 2021 Mar 02]. Available from: https://digitalcommons.usu.edu/etd/889.

Council of Science Editors:

Stoker EB. Comparative Studies on Scale-Up Methods of Single-Use Bioreactors. [Masters Thesis]. Utah State University; 2011. Available from: https://digitalcommons.usu.edu/etd/889

Michigan State University

30. Al-Khudayri, Tariq S. Mass transfer rates in packed beds.

Degree: PhD, 1960, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:34157

Subjects/Keywords: Mass transfer; Porosity

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Al-Khudayri, T. S. (1960). Mass transfer rates in packed beds. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:34157

Chicago Manual of Style (16^th Edition):

Al-Khudayri, Tariq S. “Mass transfer rates in packed beds.” 1960. Doctoral Dissertation, Michigan State University. Accessed March 02, 2021. http://etd.lib.msu.edu/islandora/object/etd:34157.

MLA Handbook (7^th Edition):

Al-Khudayri, Tariq S. “Mass transfer rates in packed beds.” 1960. Web. 02 Mar 2021.

Vancouver:

Al-Khudayri TS. Mass transfer rates in packed beds. [Internet] [Doctoral dissertation]. Michigan State University; 1960. [cited 2021 Mar 02]. Available from: http://etd.lib.msu.edu/islandora/object/etd:34157.

Council of Science Editors:

Al-Khudayri TS. Mass transfer rates in packed beds. [Doctoral Dissertation]. Michigan State University; 1960. Available from: http://etd.lib.msu.edu/islandora/object/etd:34157

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Open Access Theses and Dissertations