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Journal of the Indian Society of Soil Science
Year : 1994, Volume : 42, Issue : 4
First page : ( 571) Last page : ( 575)
Print ISSN : 0019-638X.

Assessment of the Quality of Sewage Effluents from Howrah Sewage Treatment Plant

Som Shrabani, Gupta S.K., Banerjee S.K.*

University College Of Agriculture, Calcutta University, 35 Ballygunge Circular Road, Calcutta, 700019.

* Present address: Division of Ecology & Rehabilitation, Tropical Forest Research Institute, P.O. RFRC, Mandla Road, Jabalpur, M.P., 482 021.

Received:  March,  1993; Accepted:  November,  1994.

Abstract

The quality of sewage effluent dischargedfrom Howrah sewage treatment plant in respect of salinity, sodicity, bicarbonate toxicity and heavy metal hazards was assessed in order to utilize it for irrigation. Although raw sewage in both the seasons (monsoon and summer) was toxic in respect of salinity, sodicity, B.O.D., C.O.D. and heavy metals, its biological treatment decreased the toxicity hazards considerably, making it worth using for irrigation. Heavy metal contents of the soil treated with effluent were also studied.

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Keywords

Sewage effluent, sewage treatment plant, assessment.

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