Adsorption of arsenic(V) by activated carbon prepared from oat hulls

被引：179
|
作者：
Chuang, CL
Fan, M [1 ]
Xu, M
Brown, RC
Sung, S
Saha, B
Huang, CP
机构：
[1] Iowa State Univ, Ctr Sustainable Environm Technol, Ames, IA 50011 USA
[2] Iowa State Univ, Dept Civil Construct & Environm Engn, Ames, IA 50011 USA
[3] Iowa State Univ, Dept Chem, Ames, IA 50011 USA
[4] Univ Delaware, Dept Civil & Environm Engn, Newark, DE 19716 USA
来源：
CHEMOSPHERE | 2005年 / 61卷 / 04期
关键词：
arsenic; activated carbon; adsorption; oat hulls;
D O I：
10.1016/j.chemosphere.2005.03.012
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The efficiency of self-manufactured activated carbon (AC) produced from oat hulls in adsorbing arsenic(V) was tested in a batch reactor. The results indicated that the adsorptive capacity of AC was affected by initial pH value, with adsorption capacity decreasing from 3.09 to 1.57 mg As g(-1) AC when the initial pH values increased from 5 to 8. A modified linear driving force model conjugated with a Langmuir isotherm was created to describe the study's kinetics. The test results show that rapid adsorption and slow adsorption exist simultaneously when AC is used to remove arsenic(V). (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：478 / 483
页数：6
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