Competitive adsorption of cadmium(II) and nickel(II) metal ions from aqueous solution onto rice husk ash

被引：191
作者：
Srivastava, Vimal Chandra [1 ]
Mall, Indra Deo [1 ]
Mishra, Indra Mani [1 ]
机构：
[1] Indian Inst Technol, Dept Chem Engn, Roorkee 247667, Uttarakhand, India
来源：
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION | 2009年 / 48卷 / 01期
关键词：
Binary adsorption; Rice husk ash; Multi-component isotherms; Cadmium (II); Nickel(II); ACTIVATED CARBON; REMOVAL; BIOSORPTION; SORPTION; EQUILIBRIA; COPPER(II); CU(II); CD(II); ZN(II);
D O I：
10.1016/j.cep.2008.05.001
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The present study deals with the competitive adsorption of cadmium (Cd(II)) and nickel (Ni(II)) ions from aqueous solution on to rice husk ash (RHA). Non-competitive Redlich-Peterson (R-P) and Freundlich models represent the single metal ion equilibrium sorption data. The adsorption capacities for the binary mixtures-RHA system are in the order Ni(II) > Cd(II). The combined equilibrium sorption of Cd(II) and Ni(II) ions onto RHA is found to be antagonistic in nature and the extended Freundlich model was found to best represent the binary equilibrium isotherm data. (c) 2008 Elsevier B.V. All rights reserved.
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收藏
页码：370 / 379
页数：10
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