2012•Science Technology and EngineeringRequires access

Studies on the Adsorption Properties of Chitosan Graft Acrylamide/Polacrylamide for Hg(II)

XU Hao-long

Abstract

A new absorbent material was prepared from chitosan,acrylamide and acrylic acid by cross-linking reaction and solution polymerization,using ammonium persulfate as the intiator and glutaradehyde and N,N'-methylenebisacrylamide as the cross-linking agent.Its adsorptive property to adsorb toxic Hg(Ⅱ) ions was studied.When the mass fraction of acrylic acid was 25%,pH=5 and adsorption time 200min,the adsorption behavior of Hg2+ was better.

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Key concepts: Ammonium persulfate, Acrylamide, Adsorption, Chitosan, Acrylic acid, Persulfate, Chemistry, Polymerization