Pollution Research Paper

Vol 33, Issue 02, 2014; Page No.(433-438)

WATER QUALITY ASSESMENT OF RAW SEWAGE AND FINAL TREATED WATER WITH SPECIAL REFERENCE TO SEWAGE WATER TREATMENT PLANT NESAPAKKAM, TAMILNADU, INDIA

N. SRIDHAR, J.S. SENTHILKUMAR AND M.R. SUBBURAYAN

Abstract

The Study aims at describing the physico-chemical parameters of the influent and outlet water of the Nesapakkam sewage treatment plant, which were analyzed during May, 2013 to Jan, 2014 in order to capture both the Summer and Winter seasons.The efficiency of pH, Total Suspended Solids, Chemical Oxygen Demand (total), Chemical Oxygen Demand(soluble), Biochemical Oxygen Demand(total) was significant. The sewage treatment plant system using different materials showed excellent potential for pH, Total Suspended Solids, Chemical Oxygen Demand (total), Chemical Oxygen Demand(soluble), Biochemical Oxygen Demand(total) removal from sewage treatment plant. The result of analysis of treated water pH, Total Suspended Solids, Chemical Oxygen Demand (total), Chemical Oxygen Demand(soluble), Biochemical Oxygen Demand(total) indicate that the trial treated water can be used for industrial cooling and agricultural purposes. Treated water from sewage treatment plant was alkaline, PH of the effluent increased marginally after the treatment. Average removal efficiencies of measures parameter from treated water 68.98% for Total Suspended Solids, 84.18% for Biochemical Oxygen Demand, 87.62% for Chemical Oxygen Demand for summer season. During the rainy season 85.16% for Total Suspended Solids , 94.14 % for Biochemical Oxygen Demand, 87.64% for Chemical Oxygen Demand. These values are higher than values obtained for the summer season. During the winter season 84.23% for Total Suspended Solids,78.38% for Biochemical Oxygen Demand,80.02% for Chemical Oxygen Demand. These Values are lower than values obtained for the summer and rainy seasons, except Total Suspended Solids.

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