Author(s)

A.B. Karama, O.O. Onyejekwe, C.J. Brouckaert and C.A. Buckley

Abstract

Physical model tests to determine ways of improving the performance of sedimentation tanks and clarifiers are limited by the cost of constructing adequate models in a laboratory setup. Most of the standard tests carried out in the past were restricted by their inability to simulate actual flows. The study of flow characteristics are of considerable interest in many fields of engineering and physical sciences. In most approaches of simulation of activated sludge, the goal is to reach a good simulation of the mean value of COD, BOD etc. In our approach, we used a commercial computational fluid dynamics package to simulate velocity flows in an anaerobic zone of activated sludge reactor. Experimental results were ob

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