NIMTE OpenIR  > 2018专题
Highly efficient removal of toxic Pb2+ from wastewater by an alginate-chitosan hybrid adsorbent
Wang, Zhuqing; Jin, Pengxiang; Wang, Min; Wu, Genhua; Sun, Jiayin; Zhang, Yujie; Dong, Chen; Wu, Aiguo
2018
Source PublicationJOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
Volume93Issue:9Pages:2691-2700
AbstractBACKGROUNDIn this study, a low-cost and environment-friendly alginate-chitosan hybrid adsorbent (depicted as Alg-Chi) was developed for the removal of Pb2+ from water. RESULTSExperimental results showed that the Alg-Chi exhibits high selectivity and affinity for Pb2+. The selectivity coefficients of the Alg-Chi for Pb2+/Cr3+, Pb2+/Co2+ Pb2+/Cd2+, Pb2+/Zn2+, and Pb2+/Cu2+ are all >5. It can uptake 96.8% of Pb2+ from Pb2+-containing solutions (1.5mmolL(-1)), and the maximum adsorption capacity for Pb2+ reaches 468.5mgg(-1), which is higher than that of most reported adsorbents for Pb2+. Moreover, the Alg-Chi can also be regenerated via simple acid elution and used repeatedly without loss in adsorption ability. CONCLUSIONSAnalysis of the adsorption mechanism indicated that the Alg-Chi adsorbed Pb2+ mainly through ion exchange and chemical coordination. Green and low-cost raw materials, simple preparation process, efficient removal efficiency and recyclable, these characteristics give the synthetic Alg-Chi broad application prospects in the field of Pb2+-containing wastewater treatment. (c) 2018 Society of Chemical Industry
KeywordSolid-phase Extraction Heavy-metal Ions Aqueous-solution Calcium Alginate Pb(Ii) Removal Mercury Ions Lead Nanoparticles Adsorption Beads
Subject AreaEnergy & Fuels
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17228
Collection2018专题
Recommended Citation
GB/T 7714
Wang, Zhuqing,Jin, Pengxiang,Wang, Min,et al. Highly efficient removal of toxic Pb2+ from wastewater by an alginate-chitosan hybrid adsorbent[J]. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,2018,93(9):2691-2700.
APA Wang, Zhuqing.,Jin, Pengxiang.,Wang, Min.,Wu, Genhua.,Sun, Jiayin.,...&Wu, Aiguo.(2018).Highly efficient removal of toxic Pb2+ from wastewater by an alginate-chitosan hybrid adsorbent.JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,93(9),2691-2700.
MLA Wang, Zhuqing,et al."Highly efficient removal of toxic Pb2+ from wastewater by an alginate-chitosan hybrid adsorbent".JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY 93.9(2018):2691-2700.
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