Adsorption Characteristics of Chromium Ions onto Composite Alginate Bead

被引：0
|
作者：
Kim, Tae Young [1 ]
Chung, Jae Hoon [1 ]
Choi, Se Young [1 ]
Cho, Sung Yong [1 ]
Kim, Seung Jai [1 ]
机构：
[1] Chonnam Natl Univ, Dept Environm Engn, Kwangju 500757, South Korea
来源：
WCECS 2008: WORLD CONGRESS ON ENGINEERING AND COMPUTER SCIENCE | 2008年
关键词：
adsorption; alginate bead; chromium ions; equilibrium; kinetics;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Adsorption of hexavalent and trivalent chromium ions from aqueous solution by various composite alginate beads was investigated in a batch reactor. Ca-alginate beads, protonated beads, and dithionite entrapped beads were prepared and used for the experiment. Adsorption equilibrium experiments were carried out at different pH. The equilibrium data were correlated with the Langmuir, Freundlich and Sips equations. The internal diffusion coefficients were determined by comparing the experimental concentration curves with those predicted from the surface diffusion model and the pore diffusion model.
引用
收藏
页码：131 / 136
页数：6
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