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Reference type: Conference Proceeding
Authors: Li ZC, Fan HT, Sun T
Publication date: 2011
Article title: Application of Imprinted Functionalized Silica Gel Sorbent for Selective Removal of Cadmium (II) from Industial Wastewaters.
Page numbers: 441-444
DOI: 10.4028/www.scientific.net/AMR.213.441 Alternative URL: http://www.scientific.net/AMR.213.441

Proceedings title: Advanced Materials Research
Editors: Yushu Z
Publisher: Scientific.net
Volume number: 213
Conference information: Advanced Materials Research

Abstract: This study investigated the application of an ion imprinted polymer (IIP) with (3-mercaptopropyl) trimethoxysilane (MPS) functionalized the surface of silica gel as a potential sorbent (IIP- MPS/SiO2) for the selective removal and recovery of Cd2+ from industrial wastewaters. IIP- MPS/SiO2 was prepared by a sol–gel method and characterized by IR. Batch studies were performed to evaluate the adsorption process and it was found that the sorbents were found to adsorb selectively Cd2+ in the presence of Co2+, Ni2+, Zn2+ and Cu2+ interferences in the same medium. IIP-MPS/SiO2 sorbent show the selectivity order under competitive conditions: Cd2+ > Co2+ > Ni2+ > Zn2+ > Cu2+. The removal rate of IIP- MPS/SiO2 sorbent for Cd2+ was about 80 % from synthetic wastewater and mine wastewater spiked with 10, 20 and 50 mg L-1 Cd2+. This work proved that can IIP-MPS/SiO2 sorbent be used as an efficient adsorbent material for selective removal of Cd2+ from wastewaters.
Template and target information: cadmium ion, Cd(II)
Author keywords: (3-Mercaptopropyl) Trimethoxysilane, Cd, ion imprinted polymer, Wastewater

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