Isotherm modeling and batch adsorber design for the adsorption of Cu(II) on a clay containing montmorillonite

被引：62

作者：

Oubagaranadin, John U. Kennedy ^{[1
,2
]}

Murthy, Z. V. P. ^{[1
]}

机构：

[1] SV Natl Inst Technol, Dept Chem Engn, Surat 395007, Gujarat, India

[2] PDA Coll Engn, Dept Ceram & Cement Technol, Gulbarga 585102, Karnataka, India

来源：

APPLIED CLAY SCIENCE | 2010年 / 50卷 / 03期

关键词：

Clay; Adsorption; Heavy-metal; Isotherms; Adsorber; AQUEOUS-SOLUTIONS; POTENTIAL THEORY; REMOVAL; SORPTION; BENTONITE; SOLUTES; ZN(II); GASES; WATER; PH;

D O I：

10.1016/j.clay.2010.09.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Clay of the Gulbarga region Karnataka India containing montmorillonite was evaluated as an adsorbent for Cu(II) from aqueous solutions Equilibrium studies at pH 2 5 for the adsorption of Cu(II) on the clay were performed and modeling of Cu(II) adsorption on the clay was carried out with various isotherms The Langmuir model provided the best fit to the experimental data among the two-parameter isotherms The Langmuir monolayer adsorption capacity and the cation exchange capacity of the clay were found to be about 31 mg Cu(II)/g and 86 meq/100 g respectively The Fritz-Schluender model provided the best fit to the data among the three-parameter models A two-stage batch adsorber was designed for the removal of Cu(II) from aqueous solutions which reduced the adsorbent dose by 51% when compared to that of a single-stage adsorption system (C) 2010 Elsevier B V All rights reserved

引用

页码：409 / 413

页数：5

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