ISSN (0970-2083)

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Research Article Open Access

INTEGRATED EFFLUENT TREATMENT IN TANNERY INDUSTRIES - FEASIBILITY STUDY

Abstract

Waste water treatment with Reverse Osmosis technology is the best option for treating high conductivity of global waste water from tannery industry. Feasibility of reusing tannery waste water by combinations of existing conventional activated sludge process, with Ultra filtration, Nano filtration and Reverse Osmosis treatment technologies were studied. The characteristics of untreated effluent in two tannery industries were collected. From the result, it can be seen that conventional treatment system marginally removes the organic pollutant where as it failed to remove total dissolved solids. On the other hand membrane technology removed salts and organic pollutants. From the analytical result of the treated water it can be understand that the treated water can be reused for the process. The rejects obtained in the process is subjected to solar evaporation system or multiple evaporation system for further recovery of salt.

S. Krishnamoorthi , K. Saravanan AND K.S Priyenka Devi

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