Selective metal ion transport through polymer inclusion membrane containing surfactin as carrier reagents

被引：6

作者：

Sun, Chang ^{[1
]}

Zhou, Chenggang ^{[1
]}

Zhang, Dan ^{[1
]}

Shen, Shusu ^{[2
]}

机构：

[1] Jiangnan Univ, Key Lab Ecotext, Minist Educ, 1800 Lihu Ave, Wuxi 214122, Jiangsu, Peoples R China

[2] Suzhou Univ Sci & Technol, Ctr Separat & Purificat Mat & Technol, Suzhou, Peoples R China

来源：

JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2020年 / 67卷 / 04期

基金：

中国国家自然科学基金;

关键词：

metal ion; polymer inclusion membrane; selective transport; surfactin; LIQUID-MEMBRANE; SEPARATION; REMOVAL; CELLULOSE; CESIUM; PB(II);

D O I：

10.1002/jccs.201900406

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Metal ion selective polymer inclusion membrane (PIM) was prepared by using cellulose triacetate as matrix, surfactin (SF) as ion carrier, and 2-nitrophenyl n-octyl ether as plasticizer. The structure and morphology of the prepared PIM were characterized by means of thermogravimetric analysis, scanning electron microscopy, and Fourier transform infrared spectroscopy. The effects of plasticizer and the amount of SF to ionic membrane flux were investigated, and the optimized component was obtained thereof. The selectivity of the membrane toward metal cation was studied and the order of Ni(II) > Ca(II) > Co(II) > Pb(II) > Cu(II) > Mg(II) was followed. In addition, the durability of the PIM was studied by successive reuse of the membrane, and the ionic flux slightly decreased after five cycles of reuse, indicating the excellent durability of the PIM.

引用

页码：478 / 483

页数：6

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