Enhanced adsorption of copper(II) ion on novel amidoxime chitosan resin

被引：18

作者：

Kondo, K ^{[1
]}

Matsumoto, M ^{[1
]}

Okamoto, K ^{[1
]}

机构：

[1] Doshisha Univ, Dept Chem Engn & Mat Sci, Kyotanabe 6100321, Japan

来源：

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN | 1999年 / 32卷 / 02期

关键词：

ion exchange; chitosan; amidoxime resin; copper; adsorption;

D O I：

10.1252/jcej.32.217

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A novel resin organized from an amidoxime derivative of chitosan is prepared and the adsorption characteristics of metal ions are examined. Metal ions are adsorbed by forming chelates coordinated by nitrogen atoms of primary amino groups and oxygen atoms of oxime groups. The amidoxime chitosan resin (AO-b-1) retards the adsorption of nickel ion compared with that on N-(sulfopropyl)chitosan (PSC), and the maximum adsorption capacity of copper ion on AO-b-1 is 1.6 times as much as that for PSC, The adsorption capacity of copper ion is further enhanced by alkali treatment of the resin, The amidoxime chitosan resin prepared here is found to be an excellent adsorbent with high adsorption capacity and selectivity for copper ions.

引用

页码：217 / 222

页数：6

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