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The Bentonite Copolymer Composite for Removing Lead Ions

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Abstract:

In this paper, a new kind of clay copolymer adsorbent, bentonite compositing with maleic anhydride (MAH)-acrylic acid (AA)-vinyl acetate (VAc) copolymer (NaB/PMAV) was prepared by in-situ polymerization. It was used as polymer adsorbent for removing Pb (II) ions in wastewater.. Under the optimal condition of adsorption, the removal rate reached to 94.4% and the adsorption capacity got to 235.9 mg/g. Adsorption dynamics were consistent with pseudo-second-order kinetic model and isotherm model can meet the Langmuir isotherm.

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Periodical:

Advanced Materials Research (Volumes 750-752)

Pages:

47-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.750-752.47

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Online since:

August 2013

Authors:

Wen Juan He, Yu Feng He, Zhen Hua Zhang, Ju Hua Guo, Rong-Min Wang

Keywords:

Adsorption, Copolymer/Bentonite Composites, Isotherm, Kinetic, Pb(II) Ions

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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