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Effect of organic load of refinery wastewater in municipal wastewater treatment using bench scale extended aeration activated sludge system

Amin, M.A.R.M.M. and Kutty, S.R.M. and Isa, M.H. (2011) Effect of organic load of refinery wastewater in municipal wastewater treatment using bench scale extended aeration activated sludge system. In: Water Resources Management VI. WIT Press, pp. 701-709. ISBN 978-1-84564-514-4

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Abstract

Petroleum refinery wastewater has the characteristics of a high concentration of aliphatic and aromatic petroleum hydrocarbons, which could lead to heavy pollution to the environment. In this study, petroleum refinery wastewater was co-treated with municipal wastewater in continuous flow bench scale reactors. Two bench scale reactors, A and B each of liquid volume of 18 L treats municipal wastewater and a mixture of municipal and refinery wastewater, respectively. The flow rate, Q for both reactors was maintained at 9 L/day with the hydraulic retention time (HRT) and sludge retention time (SRT), set at 2 days and 40 days, respectively. Food to microorganism (F/M) ratio, concentration of effluent soluble chemical oxygen demand (sCOD), mixed liqour suspended solids (MLSS), and mixed liquor volatile suspended solids (MLVSS) were monitored throughout the study period. The result of a full five months operation show high removal efficiencies of organic matter of about 90% as sCOD with 30% loading of the refinery wastewater.

Item Type:Book Section
Uncontrolled Keywords:continuous flow, organic loading, refinery wastewater, extended aeration, biological treatment, activated sludge.
Subjects:T Technology > TD Environmental technology. Sanitary engineering
Departments / MOR / COE:Departments > Civil Engineering
ID Code:6484
Deposited By: Assoc Prof Dr Mohamed Hasnain Isa
Deposited On:05 Oct 2011 00:24
Last Modified:19 Jan 2017 08:23

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