Adsorption of Cr(VI) on activated rice husk carbon and activated alumina

被引：295
|
作者：
Bishnoi, NR [1 ]
Bajaj, M [1 ]
Sharma, N [1 ]
Gupta, A [1 ]
机构：
[1] Guru Jambheshwar Univ, Dept Environm Sci & Engn, Hisar 125001, Haryana, India
来源：
BIORESOURCE TECHNOLOGY | 2004年 / 91卷 / 03期
关键词：
activated rice husk carbon (ARH); activated alumina (AA); adsorption; chromium(VI); Freundlich isotherm;
D O I：
10.1016/S0960-8524(03)00204-9
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The possible use of activated rice husk and activated alumina as the adsorbents of Cr(VI) from synthetic solutions and the effect of operating parameters were investigated. The activated rice husk carbon was prepared thermally in two sizes 0.3 and 1.0 mm. The maximum removal of Cr(VI) occurred at pH 2 by activated rice husk and at pH 4 by activated alumina. The amounts of Cr(VI) adsorbed increased with increase in dose of both adsorbents and their contact time. The Freundlich isotherm was applied. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：305 / 307
页数：3
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