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Durban University of Technology

1. Shabangu, Khaya Pearlman. Aerobic sequencing batch reactor for the treatment of industrial wastewater from the brewery.

Degree: 2017, Durban University of Technology

Submitted in fulfillment of the requirements for the degree of Master of Engineering, Department of Chemical Engineering, Durban University of Technology, Durban, KwaZulu-Natal, South Africa, 2017. .

One of the major effects of socio-economic change due to industrialisation is the generation of industrial wastewater, which requires treatment before being released into the environment. Laboratory-scale aerobic sequencing batch reactors under suspended-growth heterotrophic activated sludge were operated in different aeration configurations to study their effect on the treatment of wastewater generated by a local brewery. The main purpose of this study was to evaluate the performance of the two laboratory-scale aerobic sequencing batch reactors treating brewery wastewater under continuous low-oxygen dosing concentration and cyclic aeration schemes on SBR operation. The characterisation of brewery wastewater was undertaken to assess the physicochemical composition of the wastewater produced from one of the breweries in South Africa (SAB). The data showed distinctive characteristics of brewery wastewater, which coincided with studies previously carried out on characterisation of brewery wastewater. The COD average concentration of the brewery influent was 7100 mg/L, with average pH values of 7. The BOD and the total solids content of the brewery wastewater influent from the facility were both high, implying that the influent was very rich in organic content and its discharge into water-receiving bodies or the municipal treatment plant could have adverse effects. From these results, a need for a competitive treatment technology was clearly highlighted so as to carry out a feasible treatment of the influent for the brewery industry. The aerobic sequencing batch reactors were designed, fabricated and set up for laboratory-scale treatment of wastewater from the brewery for 15 weeks. The performance of the two SBR configurations was determined with reference to COD, BOD, TS, VS and TSS. The experimental results demonstrated that wastewater generated from the breweries can be treated successfully using both aeration configurations. The results obtained indicated that treatment efficiencies in terms of COD and BOD were 94 % and 85 % respectively, for the reactor operated under continuous aeration configuration, while 81 % and 65 % was achieved for the reactor operated in the cyclic aeration scheme. The findings from this study demonstrate that the performance of the reactor operated under the continuous aeration scheme was successful, and showed statistically significant differences from the performance of the reactor operated under cyclic aeration schemes. These findings imply that there is a potential for the equipment, including financial benefit as a result of operating aerobic sequencing batch reactors for treating brewery wastewater under continuous low-oxygen concentration dosing schemes. In this study, it was also established that the maximum COD removal could be reached at an optimum hydraulic…

Advisors/Committee Members: Chetty, M., Bakare, B.F..

Subjects/Keywords: Brewing industry – Waste disposal – South Africa; Sewage – Purification – Sequencing batch reactor process; Brewery waste – South Africa – Management; Sewage – Purification – Activated sludge process

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

APA (6th Edition):

Shabangu, K. P. (2017). Aerobic sequencing batch reactor for the treatment of industrial wastewater from the brewery. (Thesis). Durban University of Technology. Retrieved from http://hdl.handle.net/10321/2463

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

Chicago Manual of Style (16th Edition):

Shabangu, Khaya Pearlman. “Aerobic sequencing batch reactor for the treatment of industrial wastewater from the brewery.” 2017. Thesis, Durban University of Technology. Accessed December 16, 2017. http://hdl.handle.net/10321/2463.

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

MLA Handbook (7th Edition):

Shabangu, Khaya Pearlman. “Aerobic sequencing batch reactor for the treatment of industrial wastewater from the brewery.” 2017. Web. 16 Dec 2017.

Vancouver:

Shabangu KP. Aerobic sequencing batch reactor for the treatment of industrial wastewater from the brewery. [Internet] [Thesis]. Durban University of Technology; 2017. [cited 2017 Dec 16]. Available from: http://hdl.handle.net/10321/2463.

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

Council of Science Editors:

Shabangu KP. Aerobic sequencing batch reactor for the treatment of industrial wastewater from the brewery. [Thesis]. Durban University of Technology; 2017. Available from: http://hdl.handle.net/10321/2463

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

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