Preparation and characterization of novel organic chelating resin and its application in recovery of Zn(II) from aqueous solutions

被引：15

作者：

Zheng, Qunxiong ^{[1
]}

Li, Zhuoli ^{[1
]}

Miao, Xixi ^{[1
]}

Li, Jionghui ^{[2
]}

Huang, Yifeng ^{[1
]}

Xia, Haina ^{[1
]}

Xiong, Chunhua ^{[1
]}

机构：

[1] Zhejiang Gongshang Univ, Dept Appl Chem, Hangzhou 310012, Zhejiang, Peoples R China

[2] Zhejiang Gongshang Univ, Sch Environm Sci & Engn, Hangzhou, Zhejiang, Peoples R China

来源：

APPLIED ORGANOMETALLIC CHEMISTRY | 2017年 / 31卷 / 01期

关键词：

PS-PABA resin; Zn(II); adsorption; elution; SELECTIVE REMOVAL; ADSORPTION; EQUILIBRIUM; SEPARATION; IONS; POLYSTYRENE; EXTRACTION; MECHANISM; ADSORBENT; GOLD(III);

D O I：

10.1002/aoc.3546

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

An organic polymeric resin was synthesized by anchoring p-aminobenzoic acid onto macroporous chloromethylated polystyrene beads, and was used for Zn(II) removal from aqueous solutions. The resin exhibited an initially rapid adsorption property for Zn(II) with equilibrium time of 10h and the maximum adsorption capability approached 184.5mgg(-1). Optimum pH was 4.5. The mechanism of adsorption was investigated using kinetic, isotherm and thermodynamic models. The adsorption kinetic data were described well by a pseudo second-order model with R-2 of 0.997. There was a negative G (-17.98kJmol(-1)) and positive H (13.58kJmol(-1)). HCl solution (1.0moll(-1)) could achieve an elution rate of 100%. The experimental data were well fitted by the Thomas model with R-2 of 0.9826. Copyright (c) 2016 John Wiley & Sons, Ltd.

引用

页数：7

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