2003•Ha'erbin gongye daxue xuebaoRequires access

Treatment of landfill leachate by synthesized bentonite

Mei Li

Abstract

An applicable synthesized bentonite was developed to treat high strength landfill leachate. Experimental results showed that the removal efficiency of COD Cr and color were 84% and 96 7%, when COD Cr and color in the effluent were 178 mg/L and 20 times respectively, and the initial concentrations were 1 126 mg/L and 600 times; suitable conditions for the treatment are pH6, stirring period of 20 min, synthesized bentonite concentration of 40 g/L. Synthesized bentonite is very effective for treatment of landfill leachate.

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Key concepts: Leachate, Bentonite, Effluent, Waste management, Environmental science, Environmental engineering, Pulp and paper industry, Chemistry