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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472
EISSN: 1735-2630
Vol. 10, No. 1, 2013, pp. 113-124
Bioline Code: st13013
Full paper language: English
Document type: Research Article
Document available free of charge

International Journal of Environment Science and Technology, Vol. 10, No. 1, 2013, pp. 113-124

 en Adsorption study on municipal solid waste leachate using Moringa oleifera check for this species in other resources seed
Sivakumar, D.

Abstract

Effects of initial concentrations of Moringa oleifera check for this species in other resources seed coagulant for removing Chemical Oxygen Demand and Total Dissolved Solids from municipal solid waste leachate have been evaluated at an optimum pH of 7 and temperature of 318 K. The kinetic data obtained from the experiments were fitted to the pseudo first-order, pseudo second-order, Elovich and intraparticle diffusion models. Based on a regression coefficient (R2), the equilibrium (kinetic) data were best fitted with the Elovich model (R2 = 0.993 for Chemical Oxygen Demand and R2 = 0.996 for Total Dissolved Solids) than that of other models. The results of the kinetic models study indicated that the adsorption capacity of M. oleifera seed as a coagulant for removing Chemical Oxygen Demand and Total Dissolved Solids in a leachate increased up to 100 mg L-1, beyond which, the adsorption capacity got reduced. Finally, the present study concluded that M. oleifera seed coagulant could be employed effectively for Chemical Oxygen Demand and Total Dissolved Solids removal in a municipal solid waste leachate.

Keywords
Chemical Oxygen Demand; Kinetic models; Regression analysis; Total Dissolved Solids

 
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