Electrochemical treatment on activated carbon fibers for increasing the amount and rate of Cr(VI) adsorption

被引：72
|
作者：
Park, SJ
Park, BJ
Ryu, SK
机构：
[1] Korea Res Inst Chem Technol, Adv Mat Div, Taejon 305600, South Korea
[2] Chungnam Natl Univ, Dept Chem Engn, Taejon 305764, South Korea
来源：
CARBON | 1999年 / 37卷 / 08期
关键词：
activated carbon; surface treatment; functional groups; surface properties;
D O I：
10.1016/S0008-6223(98)00318-2
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 present study concerns anodic oxidation of activated carbon fibers (ACFs) in order to introduce the surface functional groups onto ACF surfaces. The surface oxides of ACFs were measured using titration and FT-IR spectrometry. As a result, it was observed that the amount of adsorption and the adsorption rate of Cr(VI) increase with increases in the surface oxide groups of ACFs, even though both the specific surface area and the micropore volume do not significantly change as with anodic oxidation treatments on ACFs. (C) 1999 Elsevier Science Ltd, All rights reserved.
引用
收藏
页码：1223 / 1226
页数：4
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