Author(s)

A.I. Stamou

Abstract

Mathematical models can be used for the optimisation of the design of secondary clarifiers. In the present paper a procedure for the building of a mathematical model for the design of secondary clarifiers is presented. The procedure consists of 8 steps. Every step is critically presented with suggestions and design information from existing mathematical models. The importance of the design of the inlet and outlet structures in producing a satisfactory flow field, and thus a satisfactory clarifier efficiency, is emphasised. 1 Introduction Secondary clarifiers or Secondary Settling Tanks (SSTs) are one of the most important type of units used in sewage treatment plants for the separation of biomass (removal of suspen

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