Records of the Zoological Survey of India - A Journal of Indian Zoology

L. Bindu ¹, J. Chithra ², A. K. Sanyal ²

Affiliations
1 Zoological Survey of India, Marine Biology Regional Centre, Chennai-600028, IN
2 Zoological Survey of India, M.Block, New Alipore, Kolkata, IN

Abstract

Sewage is water carried wastes, in either solution or suspension, that is intended to flow away from a community. It is more than 99. 9% pure water and is characterized by its volume or rate of flow, its physical condition, its chemical constituents and the bacterial organisms that it contains. Sewage water is a complex matrix with many distinctive chemical characteristics. These include high concentrations of ammonium, nitrate, phosphorus, high conductivity (due to high dissolved solids), high alkalinity, with pH typically ranging between 7 & 8.

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