The effects of picolinic acid and pH on the adsorption of Cu(II) by activated carbon fibers

被引：42
|
作者：
Lee, SM
Ryu, SK [1 ]
Jung, CH
Won, HJ
Oh, WZ
机构：
[1] Chungnam Natl Univ, Dept Chem Engn, Taejon 305764, South Korea
[2] Korea Atom Energy Res Inst, Taejon 305600, South Korea
来源：
CARBON | 2002年 / 40卷 / 03期
关键词：
activated carbon; chemical treatment; adsorption; surface properties;
D O I：
10.1016/S0008-6223(01)00104-X
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：
The adsorption characteristics of Cu(II) on activated carbon fibers (ACFs) from simulated wastewater was investigated in the picolinic acid concentration range from 0.15 to 15 mM by varying pH from 2 to 8. When pH is below. 4, the removal fraction of Cu(II) ions decreased with the decrease of pH. The removal fraction of Cu(II) ions is almost constant above pH 4. The removal efficiency of Cu(II) ions increased as the molar ratio of picolinic acid to Cu(II). specific surface area of ACFs and pH of the solution increased. In the case of [Pic]/[Cu(II)] = 10. complete adsorption of Cu(II) was performed on ACF. even at pH 2. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码：329 / 334
页数：6
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