Abstract

Abstract The artificial aeration control policy for a stream receiving multiple thermal and organic waste discharges are determined in the present work by using the non-linear feedforward control theory. It is assumed that a plug-now Streeter-Phelps model is adequate for describing the physical and biochemical interactions in the stream, The artificial aeration control profiles are determined for different waste outfall systems and. the performance of each system on the basis of total artificial aeration requirement is assessed. The results indicate that the outfall system with thermal discharge prior to organic waste discharge is the best among the outfall systems considered in the present work

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