A Comparative Study on Aerobic Treatment of Dairy Waste Water in Presence of PVC and Aluminium as Media

Gobinath Ravindran, Eldho Issac Dias, Riju Saji, E. Jeevanantham, S. Krishnaviraj Krishnaviraj, N. Dhanalakshmi

Abstract


The dairy industry handles large volumes of milk, and the major waste material from processing is the water. The water removed from the milk can contain considerable amounts of organic milk products and minerals. This article discusses the efficiency of MSBR in treatment of dairy waste water in presence of two different media to minimize the amount of organic material in the dairy wastewater. In this work a bench scale modified sequential batch reactor (MSBR) having two aeration chambers were established. The chambers consisted of separate inlet and outlet in which the inlets were connected to the feed pumps having discharge capacities of 2L/h and the outlets were connected to the collection tank. The continuous aeration was supplied inside the chambers to create an aerobic medium. The efficiency in removal of COD, BOD, and other parameters were checked for 24, 48 and 72 h respectively. The ammonia removal efficiency of MSBR in presence of PVC rings and aluminium caps was 75 and 65%. The BOD removal efficiency of MSBR was found as 71 and 65% and the COD removal efficiency clocks 68 and 58%. This work indicates the application of PVC ring and aluminium caps media in SBR increases the efficiency in treatment of dairy waste water, where PVC ring media gives more efficiency in dairy wastewater treatment.

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References


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DOI: https://doi.org/10.37628/jpnc.v1i2.30

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