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Self-purification capacity of Bhavani River, India

Author Affiliations

  • 1PG Scholar in Coimbatore Institute of Technology, Coimbatore, India
  • 2PG Scholar in Coimbatore Institute of Technology, Coimbatore, India
  • 3Faculty of Environmental Engineering, Bannari Amman Institute of Technology, Sathyamangalam, India
  • 4PG Scholar in Coimbatore Institute of Technology, Coimbatore, India

Res. J. Engineering Sci., Volume 6, Issue (3), Pages 1-9, March,26 (2017)


Environnemental dégradation occurs when polluants are directly or indirectly discharged in to the water bodies without adequate treatment. The main indicator to predict the rivers healthisits self-purification capacity. As there has been a steady deterioration in the water quality of Indian River, the rivers gradually start losing its self-purification levels. For this study, we have choosen Bhavani River of length 215 km supplies 90 percent of its water to agricultural irrigation. The river is continuously polluted due to increase ingillegal discharge of waste water effluents from dyeing industries into the river. A stretch of one kilometer was taken for assessment of important parameters and finally self-purification capacity was determined from oxygensagcurves.


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