An Optimization Model for Use in Analysis and Design of Wastewater Treatment Systems

by Chi-Chung Tang, County Sanitation Districts of Los, Angeles County, Whittier, CA, USA,
E. Downey Brill, Jr., County Sanitation Districts of Los, Angeles County, Whittier, CA, USA,
John T. Pfeffer, County Sanitation Districts of Los, Angeles County, Whittier, CA, USA,



Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution

Abstract: The objective of present wastewater treatment plant design is to provide a cost effective processing system for a given waste-water. Generally each of the unit processes is designed to achieve a specific goal, and only limited consideration is given during the design procedure to interactions among unit processes. Another approach that researchers have identified is to connect various unit process models within an overall system model. One such model, which was developed for use in the design of a secondary wastewater treatment system, is presented. This model is a nonlinear optimization model that includes state-of-the-art process design models to predict the performance of the treatment system. Three optimization procedures were used to solve the overall system model. The use of one of the solution techniques for the analysis of wastewater treatment processes is illustrated.

Subject Headings: Optimization models | Mathematical models | Wastewater treatment plants | Industrial wastes | Wastewater treatment | Systems engineering | Sewage | Mathematics

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