Adsorption of cobalt onto Bacillus cereus: Application of isotherm and kinetic models

被引：1
|
作者：
Wang, Yuanhong [1 ]
Zhu, Huili [2 ]
Xia, Fang [3 ]
机构：
[1] Henan Univ Urban Construct, Dept Environm & Municipal Engn, Pingdingshan 467001, Henan, Peoples R China
[2] Highway Adm Bur, Wugang 462500, Henan, Peoples R China
[3] Construct Engn Supervis Co Pingdingshan, Pingdingshan 467001, Henan, Peoples R China
来源：
FRONTIERS OF MANUFACTURING SCIENCE AND MEASURING TECHNOLOGY, PTS 1-3 | 2011年 / 230-232卷
关键词：
Bacillus cereus; Adsorption; Co(II); Adsorption isotherms; Adsorption kinetics; BIOSORPTION; REMOVAL; SORPTION; PECTIN;
D O I：
10.4028/www.scientific.net/AMR.230-232.1169
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Batch experiments were carried out to determine the capacity of Bacillus cereus biomass to adsorb Co(II) ions from aqueous solution with respect to pH, initial Co(II) concentration, contact time and biomass dose. The experimental data were modeled by Langmuir and Freundlich isotherm models. Langmuir model resulted in the best fit of the adsorption data. The maximum adsorption capacity for Co(II) was 68.10 mg/g. The best correlation was provided by the second-order kinetic model. The practical implication of this study is the development of an effective and economic technology for Co(II) removal from contaminated waters.
引用
收藏
页码：1169 / +
页数：2
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