Functionalized and reusable polyethylene fibres for Au(III) extraction from aqueous solution with high adsorption capacity and selectivity

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	Functionalized and reusable polyethylene fibres for Au(III) extraction from aqueous solution with high adsorption capacity and selectivity
	Pang, LJ; Li, R; Gao, QH; Hu, JT; Xing, Z; Zhang, MX; Wang, MH; Wu, GZ
刊名	RSC ADVANCES
	2016
卷号	6 期号:90 页码:87221-87229
ISSN号	2046-2069
通讯作者	Wu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. ; Wu, GZ (reprint author), ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China.
英文摘要	A new chelating polyethylene fibre was synthesised by the radiation-induced graft copolymerisation of glycidyl methacrylate (GMA) onto ultrahigh-molecular-weight polyethylene (UHMWPE) fibres and subsequent ring-opening reaction with 4-amino-1,2,4-triazole. The chemical structure and surface morphology of the modified fibres were characterised by Fourier transform infrared spectroscopy, scanning electron microscopy and X-ray photoelectron spectroscopy. The adsorption behaviour of the fibrous sorbent for Au(III) was investigated in terms of aqueous-solution pH, contact time, initial metal concentration and competition of coexisting metal ions. Resultant fibres exhibited much higher affinity and selectivity for Au3+ ions than all other metal ions (Mg2+, Fe3+, Cu2+, Ca2+, Ni2+ and Cr6+). The affinity coefficient obtained was as high as 97.5-99.9%. The maximum adsorption amount for Au3+ was 429.4 mg g(-1). The adsorption of Au(III) followed the pseudo-second-order kinetics model controlled by chemical adsorption. The equilibrium data fitted the Langmuir isotherm model well. In particular, this fibrous adsorbent can be regenerated by treatment in 0.5 M thiourea and 0.5 M H2SO4 solution. The high adsorption capacity can be maintained after at least five adsorption-desorption cycles.
收录类别	SCI
语种	英语
WOS记录号	WOS:000384232600057
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/26521]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 GB/T 7714	Pang, LJ,Li, R,Gao, QH,et al. Functionalized and reusable polyethylene fibres for Au(III) extraction from aqueous solution with high adsorption capacity and selectivity[J]. RSC ADVANCES,2016,6(90):87221-87229.
APA	Pang, LJ.,Li, R.,Gao, QH.,Hu, JT.,Xing, Z.,...&Wu, GZ.(2016).Functionalized and reusable polyethylene fibres for Au(III) extraction from aqueous solution with high adsorption capacity and selectivity.RSC ADVANCES,6(90),87221-87229.
MLA	Pang, LJ,et al."Functionalized and reusable polyethylene fibres for Au(III) extraction from aqueous solution with high adsorption capacity and selectivity".RSC ADVANCES 6.90(2016):87221-87229.