Performance Evaluation of Effluent Treatment Plant of Dairy Industry in Gwalior (M.P.)
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
Dairy industries are generally considered to be the largest source of wastewater in many countries. Although they are not commonly associated with severe environmental problems, they must continually consider their environmental impact, particularly as dairy pollutants are mainly of organic origin. Due to the increase in the population hence the increased milk demand, the dairy industry in India is expected to grow rapidly and have the waste generation and related environmental problems are also assumed increased importance. Dairy industry is among the most polluting of the food industries in regard to its large water consumption. Dairy is one of the major industries causing water pollution. Poorly treated wastewater with high level of pollutants caused by poor design, operation or treatment systems creates major environmental problems when discharged to the surface land or water. Various operations in a dairy industry may include pasteurization, cream, cheese, milk powder etc. Considering the above stated implications an attempt has been made in the present project to evaluate one of the ETP for dairy waste. An intensive study is followed for 3 months for monitoring the effluents from dairy wastewater. Samples of wastewater were collected from the effluent treatment plant from the dairy for the characteristic analysis. This study revealed that average concentrations of COD, BOD, TSS, TDS, oil and grease, alkalinity and chlorides removal in the effluent from the effluent plant were 199 mg/l, 79.4 mg /l, 186 mg/l, 1047 mg/l, 8 mg/l, 410 mg/l and 58.6 mg/l respectively, which met the effluent standards for all the above described parameters except BOD and TSS which are 30 mg/l and 100 mg/l respectively as per the BIS standards .The COD, BOD, TSS, TDS, alkalinity, oil and grease and chlorides removal efficiency was observed as 88%, 87%, 77%, 18%, 9%, 65% and 55% respectively.
Authors and Affiliations
K. Sarath Bhushan, Oleti Hima Kiran Kumar
Keywords
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