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Georgia Tech

1. Janakat, Malina Elizabeth. Synergistic Approach to Exploration of the Microstructure of Novel, Tunable Solvents for Reactions, Separations and Catalyst Recycle.

Degree: PhD, Chemical Engineering, 2006, Georgia Tech

Gas-expanded liquids (GXLs) are a new and benign class of pressure-tunable liquid solvents which show tremendous promise as the next sustainable processing medium. In order to realize the potential of GXLs fully, it is necessary to elucidate their cybotactic region and gain an understanding of where properties are different in the bulk and micro-scales and how local structure and order affect both reactions and separations. This work explores the cybotactic region of GXLs and probes the existence and implications of those differences. This study is started by exploring the cybotactic region of ambient liquid mixtures. Thermodynamic models based on intermolecular forces are used to predict the solubility of multi-functional solids in a variety of solvent mixtures. While this part does not lend any insight into GXLs directly, it acts as a stepping stone in both understanding the intermolecular forces that govern the cybotactic region and by opening the gateway to studying solid solubility in GXLs. The rest of the study focuses on the differences between bulk and local properties of GXLs. Different probes of polarity in the cybotactic region are compared and the solute dependence of the local structure is explored. Bulk transport properties are measured with different probes in an effort to see if molecular interactions play a role in governing diffusion processes in GXLs. Advisors/Committee Members: Dr. Charles A. Eckert (Committee Chair), Dr. Charles L. Liotta (Committee Co-Chair), Dr. Amyn Teja (Committee Member), Dr. Rigoberto Hernandez (Committee Member), Dr. William J. Koros (Committee Member).

Subjects/Keywords: Gas-expanded liquids; Cybotactic region

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

APA (6th Edition):

Janakat, M. E. (2006). Synergistic Approach to Exploration of the Microstructure of Novel, Tunable Solvents for Reactions, Separations and Catalyst Recycle. (Doctoral Dissertation). Georgia Tech. Retrieved from http://hdl.handle.net/1853/10461

Chicago Manual of Style (16th Edition):

Janakat, Malina Elizabeth. “Synergistic Approach to Exploration of the Microstructure of Novel, Tunable Solvents for Reactions, Separations and Catalyst Recycle.” 2006. Doctoral Dissertation, Georgia Tech. Accessed January 16, 2021. http://hdl.handle.net/1853/10461.

MLA Handbook (7th Edition):

Janakat, Malina Elizabeth. “Synergistic Approach to Exploration of the Microstructure of Novel, Tunable Solvents for Reactions, Separations and Catalyst Recycle.” 2006. Web. 16 Jan 2021.

Vancouver:

Janakat ME. Synergistic Approach to Exploration of the Microstructure of Novel, Tunable Solvents for Reactions, Separations and Catalyst Recycle. [Internet] [Doctoral dissertation]. Georgia Tech; 2006. [cited 2021 Jan 16]. Available from: http://hdl.handle.net/1853/10461.

Council of Science Editors:

Janakat ME. Synergistic Approach to Exploration of the Microstructure of Novel, Tunable Solvents for Reactions, Separations and Catalyst Recycle. [Doctoral Dissertation]. Georgia Tech; 2006. Available from: http://hdl.handle.net/1853/10461

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