The preparation of TCAS-loaded resin and its adsorption property to Pb2+ ion

被引：2

作者：

Hu, Xiaojun ^{[1
]}

Zhang, Pin ^{[1
]}

Li, Yushuang ^{[1
]}

机构：

[1] Shenyang Univ, Minist Educ, Key Lab Reg Environm & Ecoremediat, Shenyang 110044, Peoples R China

来源：

ADVANCES IN CHEMICAL ENGINEERING, PTS 1-3 | 2012年 / 396-398卷

关键词：

TCAS-loaded resin; adsorption; Pb2+ ion; adsorption isotherms; METAL-IONS; REMOVAL;

D O I：

10.4028/www.scientific.net/AMR.396-398.421

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A adsorbent for cadmium has been prepared by loading an anion-exchange resin with a novel supramolecular compound named thiacalix[4]arenetetrasulfonate (TCAS). The adsorption properties of Pb2+ on TCAS-loaded resin had been studied and the effects of varying temperature, pH value, adsorption time and initial concentration. Batch extraction studies had revealed a high adsorption ability of the TCAS-loaded resin toward this heavy metal ion with high selectivity. The maximum adsorption capacity of the TCAS-loaded resin toward Pb2+ was 26.32 mg.g(-1). The removal rate of Pb2+ in water was up to 99% after 40min at 20 degrees C when a 50mL aqueous solution of Pb2+ (10 mg.L-1) was adsorbed by 0.5g TCAS-loaded resin. The removal percentage steadily retained above 99% when the pH values were in the range of 4 to 7. The adsorption isotherm of the TCAS-loaded resin to Pb2+ ions fits well to linear form of Langinuir sorption equation.

引用

页码：421 / 424

页数：4

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