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Original Articles

Equilibrium study of adsorption of Pb2+ from aqueous solution onto Algerian bentonite clay

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Pages 106-110 | Received 12 Aug 2008, Accepted 11 Apr 2009, Published online: 03 Aug 2012
 

Abstract

The adsorption of Pb(II) onto Algerian bentonite clay (Mostaganem region) was examined with respect to adsorbent dosage, solution pH, shaking time and initial concentration of metal. The results showed that the removal efficiency of Pb+2 by Algerian bentonite clay could reach 92% when the initial concentration of metal ions was 10 mg/L and shaking time 2 h. Two isotherm equations, the Freundlich and Langmuir models, were applied to describe equilibrium isotherms for the adsorption of Pb+2. The experimental results indicated that Algerian clay had significant potential for removing Pb+2 from wastewater using the adsorption method and a low-cost adsorbent.

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