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Reference type: Conference Proceeding
Authors: Shi YY, Zhang QH, Feng LD, Xiong QP, Liu F
Publication date: 2012
Article title: Preparation and its Adsorption Characters of Pb2+ Ions-Imprinted Chitosan/Palygorskite Hybrid Materials.
Page numbers: 1324-1329
DOI: 10.4028/www.scientific.net/AMR.391-392.1324 Alternative URL: http://www.scientific.net/AMR.391-392.1324

Proceedings title: Advanced Materials Research
Editors: Zhang HM, Wu B
Publisher: Trans Tech Publications
City: Switzerland
Volume number: 391-392

Abstract: By using Palygorskite as matrix and introducing the surface ion-imprinting concept to the synthesis process, a Palygorskite-supported organic–inorganic hybrid polymer for selective separation of Pb2+ from aqueous solutio was prepared. The prepared polymer was characterized with techniques of SEM, XRD and FT-IR. The effects of contact time, pH value and temperature of the initial solution on the adsorption characters of Pb2+ were investigated. Under the optimum conditions, the ions-imprinted polymer offered a fast kinetics for the adsorption of Pb2+ and the maximum capacity was 4.51 mg/g. And the pseudo-second order model bestly described the kinetics of adsorption of Pb2+ onto the as-prepared materials.
Template and target information: lead ion, Pb(II)
Author keywords: adsorption, chitosan, Ion-imprinting, Palygorskite, Pb2+ Ions, selectivity


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