Adsorption Characteristics of Pb(II) from Aqueous Solution onto Na-Bentonite/Poly AMPS Composite

Hai Yan Xiao; Kai Sha Gao; Qiu Rong Li

doi:10.4028/www.scientific.net/AMR.503-504.658

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 503-504Adsorption Characteristics of Pb(II) from Aqueous...

Adsorption Characteristics of Pb(II) from Aqueous Solution onto Na-Bentonite/Poly AMPS Composite

Abstract:

Na-bentonite/poly AMPS composite were prepared as an adsorbent for the removal of Pb (Ⅱ) from aqueous solutions. Pb (Ⅱ) adsorption experiments show the optimum pH and the bentonite content are pH 4.0 and 5g Na-bentonite /10g AMPS, respectively. Experimental data were described by Langmuir and Freundlih isotherms, and the correlation coefficient (R2) shows that the adsorption follows the Freundlich adsorption model.