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Pseudo-second-order model for lead ion sorption from aqueous solutions onto palm kernel fiber

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題名: Pseudo-second-order model for lead ion sorption from aqueous solutions onto palm kernel fiber

作者: Ho, Y.S.;Ofomaja, A.E.

貢獻者: Department of Biotechnology

關鍵詞: Pseudo-second-order;Adsorption;Palm kernel fiber;Lead;Biosorption 日期: 2006

上傳時間: 2009-12-15T05:24:31Z 出版者: Asia University

摘要: The sorption of lead ion onto palm kernel fiber was studied by performing batch kinetic sorption experiments. The batch sorption model, based on a pseudo-second-order mechanism, was applied to predict the rate constant of sorption, the equilibrium capacity and the initial sorption rate with the effects of the initial solution pH and fiber dose. Equilibrium concentrations were evaluated with the equilibrium capacity obtained from the pseudo-second-order rate equation. In addition, pseudo-isotherms were also obtained by changing fiber doses using the equilibrium concentration and equilibrium capacity obtained based on the pseudo-second-order constants.

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