Kinetics of adsorption of Co(II) removal from water and wastewater by ion exchange resins

被引：336

作者：

Rengaraj, S ^{[1
]}

Moon, SH ^{[1
]}

机构：

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

来源：

WATER RESEARCH | 2002年 / 36卷 / 07期

关键词：

cobalt(II); ion exchange resin; adsorption isotherms; adsorption kinetics; wastewater;

D O I：

10.1016/S0043-1354(01)00380-3

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The capacity of ion exchange resins, IRN77 and SKN1, for removal of cobalt from aqueous solution has been investigated under different conditions namely initial solution pH, initial metal-ion concentration, and contact time. The equilibrium data obtained in this study have been found to fit both the Langmuir and Freundlich adsorption isotherms. The adsorption of Co(II) on these resins follows first-order reversible kinetics. The film diffusion of Co(II) in these ion exchange resins was shown to be the main rate limiting step. The studies showed that these cation exchange resins can be used as efficient adsorbent material for the removal of Co(II) from aqueous solutions. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：1783 / 1793

页数：11

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