The surface characteristics of activated carbon as affected by ozone and alkaline treatment

被引：181
|
作者：
Chiang, HL
Huang, CP [1 ]
Chiang, PC
机构：
[1] Univ Delaware, Dept Civil & Environm Engn, Newark, DE 19716 USA
[2] Natl Taiwan Univ, Grad Inst Environm Engn, Taipei, Taiwan
来源：
CHEMOSPHERE | 2002年 / 47卷 / 03期
关键词：
activated carbon; ozone; alkaline; oxygen concentration; surface functional groups;
D O I：
10.1016/S0045-6535(01)00215-6
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The surface chemical characteristics of activated carbon treated by ozone and alkaline are determined in terms of surface functional groups and surface acidity. Surface functional groups are analyzed by the IR spectroscopic method and Boehm's titration technique. The surface acidity of activated carbon is determined by electrophoretic mobility measurements. The oxygen concentration of activated carbon increases upon ozone and NaOH treatment, Surface functional groups increase mostly in the hydroxyl and carboxyl categories rather than the carbonyl category upon ozone and NaOH treatment. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：257 / 265
页数：9
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