Preparation of Poly(allylamine)-Silica Composites and Adsorption Performance for Heavy Metal Ions

Zhong Lei Fan; Li Wen Wang; Da Zhuang Liu

doi:10.4028/www.scientific.net/AMR.955-959.135

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Preparation of Poly(allylamine)-Silica Composites...

Preparation of Poly(allylamine)-Silica Composites and Adsorption Performance for Heavy Metal Ions

Abstract:

Poly (allylamine)-silica composites (PAA/SiO₂) was prepared via CPTCS as coupling agent and PAA as modifier. The structure and adsorption properties of silica gel, CPTCS-SiO₂ and PAA/SiO₂ were determinated by FTIR, structural analysis, TG analysis and adsorption test. The results show that PAA/SiO₂ had excellent adsorption capacities for Cu (II), Pb (II) and Ni (II) in aqueous solutions. Its adsorption capacities can reach 0.972mmol/g for copper ion at experimental conditions. Besides, PAA/SiO₂ also possessed excellent stability in the flow tests.

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Periodical:

Advanced Materials Research (Volumes 955-959)

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135-139

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.135

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Online since:

June 2014

Authors:

Zhong Lei Fan*, Li Wen Wang, Da Zhuang Liu

Keywords:

Adsorption, Poly(allylamine), Silica Gel

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