화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.41, No.3, 480-489, May, 2017
DOI10.7317/pk.2017.41.3.480  Export Citation
키토산 기반 미세다공성 고분자의 Pd2+에 대한 선택적 흡착성 및 재사용성
Selective Adsorption and Reusability for Pb2+ of Chitosan-based Microporous Polymer
Jie Yu†, Jidong Zheng, Quanfang Lu1, †, Xing Wang, Xiaomin Zhang, Qizhao Wang, and Wu Yang
  • Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, People’s Republic of China
  • 1Editorial Department of the University Journal, Northwest Normal University, Lanzhou 730070, People’s Republic of China
E-mail:,
A green and simple glow-discharge electrolysis plasma (GDEP) technique was used to synthesize the chitosan/ attapulgite/poly(acrylic acid-co-2-acrylamido-2-methyl-1-propanesulfonic acid) (CS/ATP/P(AA-co-AMPS)) microporous polymer. The results showed that the optimum pH for the adsorption of Pb2+, Cd2+, Co2+, and Cu2+ is 4.8, and time of adsorption equilibrium is 60 min. Adsorption kinetics fits well to the pseudo-second-order model. The maximum adsorption capacities for Pb2+, Cd2+, Cu2+ and Co2+ are 500.0, 301.7, 180.0 and 151.7 mg g-1, respectively. The microporous polymer has higher adsorption selectivity toward Pb2+ with the coexistence of Cd2+, Co2+, and Cu2+. The CS/ATP/P(AAco-AMPS) possesses promising regeneration and reusability using 2.0 g L-1 ethylenediamine tetraacetic acid tetrasodiumsalt (EDTA-4Na) solution as eluent. CS/ATP/P(AA-co-AMPS) can be used as a very promising absorbent for the separation, purification and selective recovery of Pb2+ in aqueous solution containing Cd2+, Co2+, and Cu2+ ions.
Keywords:chitosan;attapulgite;microporous polymer;adsorption selectivity;reusability
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