ISSN (0970-2083)

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Research Article Open Access

KINETICS STUDIES ON DEGRADATION OF STARCH WASTEWATER IN AN INVERSE FLUIDIZED BED REACTOR

Abstract

A three-phase inverse fluidized bed reactor was used to treat the starch industry wastewater. Experiments were carried out at different initial substrate concentrations (2250, 4475, 6730 and 8910 mg COD/L) and for various hydraulic retention time (40, 32, 24, 16 and 8h). Reactor performance shows above 90% COD removal for lower organic loading rates. The data obtained were fitted to various kinetic models, namely, First order model, Diffusional model and Singh model. From the results it was found that the First Order model fits the data well while other two fails to represent the present study.

M. Rajasimman and C.Karthikeyan

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