Refinery wastewater treatment: Case study Khartoum Refinery

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Date
2015-04-30
Authors
Hassan, Rabab Hashim Awad
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Journal ISSN
Volume Title
Publisher
University of Khartoum
Abstract
The aim of this research is to study how to treat the liquid waste resulting from a petroleum refinery and to determine the characteristics of liquid waste generated. The research identified the sources of wastewater pollutants, suitable treatment technologies, and its effect on the environment. Khartoum refinery was considered as a study case, liquid waste produced was studied, the unit that used as well as to treat the waste, and the evaluation of the performance of these units. Laboratory tests were conducted to identify the characteristics of wastes in each stage. The effluent drain to the environment was studied and compared with the permissible limits .The analysis carried include: oil content, phenol content, power of Hydrogen, Biochemical Oxygen Demand, Chemical Oxygen Demand ,Ammonia - Nitrogen, Sulfide, Dissolved Oxygen ,Ortho-phosphate Content, Suspended Solid. The results obtained revealed the following: • The oil content can reach more than 20.000mg/l and this is more than the deign capacity of the treatment unit but it can be reduced to less than 10mg/l after treatment. • The waste water treatment unit works with capacity more than the designed, so the efficiency of this unit is not enough. • There is a lot of polluting effluent with concentration more than the allowed (i.e. NH3,pH) • The above indicates some design problem and the study recommended to add additional units to solve the above mentioned problems and obstacles.
Description
125 Pages
Keywords
wastewater;Khartoum;Oil;Petroleum Products;Water;Bio Oxidation;Media;lab work
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