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An Experimental Investigation on Treatment of Tannery Effluent Using Azadirachta Indica

Journal: International Journal of Environment, Agriculture and Biotechnology (Vol.2, No. 2)

Publication Date:

Authors : ; ; ; ; ;

Page : 762-766

Keywords : Azadirachta indica(Neem leaf); Coagulation; Chemical oxygen demand (COD); Tannery; Turbidity.;

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A preliminary investigation was carried out for the feasibile use of Azadirachta indica leafs powder as a natural coagulant to the treatment of tannery effluent. In this paper, Azadirachta indica leafs powder of 1, 2, 3 and 4mg/L dosages were used. Floc formation in coagulation process had been studied in the laboratory scale to determine the optimum dosage of natural coagulant. The above dosages were used in pre-treated tannery effluent with coagulants were considered to evaluate the percentage removal efficiency on the major pollutants of concern in in tannery effluent such as turbidity, TSS, TDS, COD and BOD. From the observed results, dosage of 3 mg/L gives better removal efficiencies with respect to turbidity, TSS, TDS, COD and BOD and appears to be suitable for tannery effluent treatment, when compared with other dosages.

Last modified: 2017-04-09 00:28:01