Removal of metal pollutants (Cd(II) and Cr(III)) from phosphoric acid solutions by chelating resins containing phosphonic or diphosphonic groups

被引：50

作者：

Kabay, N ^{[1
]}

Demircioglu, M

Ekinci, H

Yuksel, M

Saglam, M

Akcay, M

Streat, M

机构：

[1] Ege Univ, Fac Engn, Dept Chem Engn, TR-35100 Izmir, Turkey

[2] Univ Loughborough, Fac Engn, Dept Chem Engn, Loughborough LE11 3TU, Leics, England

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1998年 / 37卷 / 06期

关键词：

D O I：

10.1021/ie970488l

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, chelating ion exchangers containing phosphonic (-PO(OH)(2)) acid groups (RSPO, Diaion-CRP200) and the new chelating resins (Diphonix) containing sulfonic and gem-diphosphonic acid groups chemically bonded in a styrene-divinylbenzene polymeric network have been investigated for sorption of Cd(II) ions from phosphoric acid solutions. Comparison of acid dependencies of Cd(II) uptake measured with that obtained using a commercial sulfonic acid type ion-exchange resin (Dowex 50W(X8)) and a solvent containing resins (Actinide-CU) has been performed. The resin Diphonix has been employed for columnar sorption of Cd(II) and Cr(III) ions from phosphoric acid solutions.

引用

页码：2541 / 2547

页数：7

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