Enhanced One Dimensional Modeling for Predicting Concentration of BOD in rivers

Babita Tyagi, Ritu Kapoor, Deepa Sinha, Devendra Swaroop Bhargava


To maintain the river water quality it is necessary to predict the concentration of biochemical oxygen demand (BOD) in rivers. Various one dimensional models that  are developed so far  are applicable only after complete mixing of the pollutant across the cross-section is over which may take longer time for rivers with large width. Such type of situations is not represented effectively by the existing one dimensional model. Moreover, many of these one dimensional models do not account for the settle able part of BOD that invariably takes place when partially treated/ untreated waste enters these water bodies. A model is developed that is not more complicated than a one dimensional model but rationally predict the transport of BOD causing pollutant in almost 80% of initial period. The presented model can be used in conditions when partially treated/untreated waste is discharged in rivers with large width.

Keywords: Mathematical Model, BOD, Water Pollution

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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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