Pollution Research Paper

Vol 33, Issue 03, 2014 ; Page No.(525-529 )

REDUCTION OF CONTAMINANTS FROM LEACHATE USING MORINGA OLEIFERA– A KINETIC STUDY

D. SIVAKUMAR, D. SHANKAR, S. NITHYA AND J. RAJAGANAPATHY

Abstract

The BOD from municipal solid waste leachate using moringa oleifera seed as a coagulant was studied by batch method. The effect of initial concentration of Moringa oleifera coagulant for removing BOD from leachate has been evaluated. The kinetic data were fitted to the pseudo firstorder, pseudo second-order, Elovich and intraparticle diffusion models. Based on regression coefficient, the equilibrium data found fitted well with pseudo second-order kinetic model than that of other models. The results of the present study indicated that the adsorption capacity of Moringa oleifera seed coagulant for removing BOD in municipal solid waste leachate increased upto 100 mg/L beyond which the adsorption capacity got reduced.

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