Ecology, Environment and Conservation Paper

Vol.14, Issue 2-3, 2008; Page No.(363-366)

REMEDIATION OF WASTE WATER USING TWO ANOXYGENIC PHOTOTROPHIC BACTERIA

D.Vasavi, M. Ramchander, S. Girisham and S.M. Reddy

Abstract

Two anoxygenic phototrophic bacteria Rhodospirillum rubrum and Rhodopseudomonas rutila isolated from waste water and their role in remediation of waste water was studied. Rsp.rubrum was efficient in removal of COD and BOD to the extent of 86% and 83% respectively. Similarly other components such as bicarbonates, sulphates and organic matter decreased due to the activity of Rsp.rubon. Rps. rutila could cause decrease in COD and BOD by 67% and 85% respectively. Considerable decrease in bicarbonates and sulphates was also recordeq. Significant decrease in Organic matter was recorded due to the activity of both the organisms under study. From the present investigations it is concluded that both the organisms were capable of biorcmediation of wastewater and can be economically exploited in the treatment of waste water.

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