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An alternative numerical scheme for predicting the BOD variation with time at various successive distances from a wastewater outfall in a stream, is presented in this paper. The presented scheme (for the solution of differential equations incorporating the advection, dispersion, and biochemical decay) removes unnecessary restrictions imposed on the grid(More)
The existing DO sag models of Streater-Phelps have become obsolete in the present day context of polluted streams in which a part of the BOD removal necessarily takes place through sedimentation. The Streater Phelps models do not consider this aspect. Bhargava's theoretically derived model for the critical DO deficit rests on an almost linear removal of the(More)
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