Studies on adsorptive removal of Co(II), Cr(III) and Ni(II) by IRN77 cation-exchange resin

被引：168

作者：

Rengaraj, S ^{[1
]}

Yeon, KH ^{[1
]}

Kang, SY ^{[1
]}

Lee, JU ^{[1
]}

Kim, KW ^{[1
]}

Moon, SH ^{[1
]}

机构：

[1] Kwangju Inst Sci & Technol, Dept Environm Sci & Engn, Puk Gu, Kwangju 500712, South Korea

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2002年 / 92卷 / 02期

关键词：

adsorption; ion-exchange resin; cobalt; chromium; nickel; isotherm; kinetics; wastewater;

D O I：

10.1016/S0304-3894(02)00018-3

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The adsorption of cobalt, chromium and nickel from aqueous solutions on IRN77 cation-exchange resin has been studied comparatively. The percentage removal of cobalt, chromium and nickel was examined by varying experimental conditions, viz. dosage of adsorbent, pH of the solution and contact time. It was found that more than 95% removal was achieved under optimal conditions. The adsorption capacity (k) for cobalt, chromium and nickel were calculated from the Freundlich adsorption isotherm. The adsorption of cobalt, chromium and nickel on this cation-exchange resin followed the Lagergren kinetic model. Also the competitive adsorption of multi-metals onto the IRN77 resin was studied. The studies showed that this cation-exchange resin can be used as an efficient adsorbent material for the removal of cobalt, chromium and nickel from water and nuclear power plant coolant water. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：185 / 198

页数：14

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