Jitendra Kumar Singh, Rahul L. Meshram and D. S. Ramteke
The aim of study was to produce Single cell protein (SCP) i.e. Biomass and removal 0f ‘COD’ from dairy waste water. Dairy waste water was collected and analyzed for Biochemical oxygen demand (BOD), Chemical oxygen demand (COD), Total suspended solids (TSS). The main composition of dairy waste water is Lactose (about 70%), lactose being largely responsible for the high organic load in dairy waste water. Thus, dairy waste water is particularly suitable for the production of SCP, using lactose utilizing microorganisms. Saccharomyces cerevisiae & Humicola species were evaluated for their ability to grow and produce biomass and reduce the organic load of the Production of dairy waste water. Saccharomyces cerevisiae & Humicola species were able to reduce COD by about 62% & 93% respectively, with continuous biomass production. The decrease in lactose i.e. Organic load and increase in biomass (SCP) occurred in parallel & growth rate also increased simultaneously with increasing lactose consumption rate. Finally, cost effective SCP process and product can be performed in an industrial scale and the product can be consumed instead of expensive protein in market.
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