Abstract: Physicochemical parameters of ground water (inside the industrial premises) and untreated effluent, such as PH , Turbidity, Total Solids, Total Suspended Solids, Total Dissolved Solids, BOD, COD, Chromium (VI) were analysed by following ISO pocedures and expressed in mg/L except PH . This was repeated for every alternate month for 1 year. TDS (192.6 + 63.1 to 410.6 + 18.4); COD (256 + 274 to 410.6 + 50.8 mg/L); Total hardness (83.3 + 11.9 to 164.3 + 5.1 mg/L). Chromium (VI) (0.1 + 0 to 0.2 + 0.1) were recorded in groundwater. The Untreated tannery effluent has following ranges in respective parameters BOD (5100 + 173.2 to 6933.3 + 519.6); COD (15960 + 173.2 to 19000 + 222.7), sulfides (148 + 34.6 to 201 + 24.3). Chromium (VI) (142.5 + 24.5 to 239 + 33.4) was above the permissible limits (BIS Inland Discharge Standards).
Keywords: Tanning Industry, Tannery effluents, Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Total Dissolved Solids (TDS), Total Solids (TS).
Introduction
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