ISSN (0970-2083)

Research Article Open Access

DETERMINATION OF BIO-KINETIC COEFFICIENTS FOR DAIRY WASTE WATER

Abstract

Due to the increase in demand for milk and milk products many dairies of different sizes have come up in different places. These dairies collect the milk from the producers, and then either simply bottle it for marketing, or produce different milk foods according to their capacities. Large volumes of wastewater originate due to their different operations and they contain high amount of pollution load, which will affect the receiving streams seriously. In this study activated sludge process was used to treat dairy wastewater. The settled dairy wastewater was treated by operating a bench-scale continuous flow stirred tank reactor without solids recycle at θc varying from 1 to 6 days. The bio – kinetic parameters were evaluated using the observational data at steady state conditions. The percentage of BOD removal ranged from 67 to 90 under steady state conditions, indicating there by that settled dairy wastewater could be treated by activated sludge process. The bio – kinetic parameters obtained from the present study can be used in the design of activated sludge process, which will be more scientific and reliable.

K.VENKATESAN M.K. SASEETHARAN, V.ARUTCHELVAN

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