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题名:
Green and efficient synthesis of an adsorbent fiber by preirradiation-induced grafting of PDMAEMA and its Au(III) adsorption and reduction performance
作者: Liu, XY; Ao, JX; Yang, XJ; Ling, CJ; Zhang, BW; Wang, ZQ; Yu, M; Shen, RF; Ma, HJ; Li, JY
刊名: JOURNAL OF APPLIED POLYMER SCIENCE
出版日期: 2017
卷号: 134, 期号:25, 页码:-
关键词: adsorption ; aqueous solutions ; precious metal ; radiation-induced graft polymerization
DOI: 10.1002/app.44955
文章类型: 期刊论文
英文摘要: N,N-Dimethylamino ethyl methacrylate (DMAEMA) is covalently bonded on a commercial polyethylene-coated polypropylene skin-core structure fiber (PE/PP) in aqueous and MeOH/H2O solutions by a one-step green reaction using radiation-induced graft polymerization. The effects of the absorbed dose and solvent system on grafting yield are investigated, while the chemical and physical properties of the functionalized fiber are also evaluated. The fiber with a D-g of 51.6% exhibited good adsorption capacity of Au(III) ions over a large range of concentrations (from 10 to 2.5 g L-1) in both batch and flow-through adsorption tests. The highest capacity of Au was 949.3 mg g(-1). After elution, the adsorbents can be reused without any further regeneration for at least five adsorption-desorption cycles. Additionally, the fibers show high selectivity for Au(III). The distribution coefficient of Au(III) is 10(4) to 10(5) times higher than that for Cu(II), Fe(III), Ni(II), and Pb(II) even at 100 times lower Au(III) concentration compared to the coexisting metal ion concentration. This study provides an effective and novel approach for gold recovery from aqueous solutions. (C) 2017 Wiley Periodicals, Inc.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000397934100013
ISSN号: 0021-8995
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27339
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Liu, XY,Ao, JX,Yang, XJ,et al. Green and efficient synthesis of an adsorbent fiber by preirradiation-induced grafting of PDMAEMA and its Au(III) adsorption and reduction performance[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2017-01-01,134(25):-.
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