Please use this identifier to cite or link to this item: https://hdl.handle.net/10321/2798
Title: Optimisation of edible oil effluent degredation by microorganisms
Authors: Surujlal, Swastika 
Issue Date: 2003
Abstract: 
Water is a precious and very valuable resource. Water resource shortages are problems that are plaguing the world. There is therefore a high demand for tightening water quality standards for both potable water and waters in the environment. It is becoming a necessity to treat and reuse wastewaters, especially wastewaters from industries, as these waters are of concern due to their toxic effects on the environment. In South Africa one of the industries of major concern is that of the edible oil industry and there are over a dozen ofthese industries in South Africa alone. Each of these industries utilises approximately 1.75 million m3 of water and discharges approximately 0.61 million m3 to the sewer each year. This wastewater that is being released has very high organic, inorganic and fats, oils and greases loads. Depending on the type of refinery process conducted on the crude oil, the effluent quality and quantity varies on a day to day basis. The two types of refinery procedures are the physical refining, where water is used or chemical refining where caustic soda is used. The organic load ofthe untreated effluent can range from 1 100 to 8 990 mg COD/L, the oils and greases can range from 80 to 1 360 mg/L and the pH can range from 1.8 to 10.5.
Description: 
Dissertation submitted in compliance with the requirements for the Masters Degree in Technology: Biotechnology, Durban Institute of Technology, Durban, South Africa, 2003.
URI: http://hdl.handle.net/10321/2798
DOI: https://doi.org/10.51415/10321/2798
Appears in Collections:Theses and dissertations (Applied Sciences)

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