Present study was planned to evaluate the performance of effluent treatment plant (ETP) of pharmaceutical industry\r\n(Ranbaxy Laboratories Limited, Dewas, Madhya Pradesh, India) for a period of 30 days. ETP was functioning to remove the\r\nsuspended and dissolved solids and toxic compounds from the waste water before it released into a water body. Reduction of\r\npollutant in the waste water down to permissible concentration is necessary for the protection of ground water and\r\nenvironment. Performance assessment was evaluated by monitoring waste water at time period of 30 days. The waste water\r\nsample were collected from the six points viz., equalization tank, aeration tank I, II, III, IV and holding pond of industry. The\r\nparameters such as pH, chemical oxygen demand (COD), biochemical oxygen demand (BOD), total suspended solids (TSS) and\r\ntotal dissolved solids (TDS) were analyzed. Moreover, mixed liquor suspended solid (MLSS), mixed liquor volatile suspended\r\nsolid (MLVSS), sludge volume index (SVI) and turbidity were also checked. The results of present studies revealed that, all the\r\nparameters were found within the prescribed permissible limits of Madhya Pradesh Pollution Control Board (MPPCB), Bhopal\r\nthat indicates the better efficiency of the industry.
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