Adsorption-desorption characteristics of VOCs over impregnated activated carbons

被引：163
|
作者：
Kim, KJ
Kang, CS
You, YJ
Chung, MC
Woo, MW
Jeong, WJ
Park, NC
Ahn, HG
机构：
[1] Sunchon Natl Univ, Dept Chem Engn, Sunchon 540742, Jeonnam, South Korea
[2] Chosun Coll Sci & Technol, Dept Informat & Commun, Kwangju, South Korea
[3] Chonnam Natl Univ, Dept Chem Engn, Kwangju 500757, South Korea
来源：
CATALYSIS TODAY | 2006年 / 111卷 / 3-4期
关键词：
VOCs; impregnated activated carbon; adsorption isotherm; TPD;
D O I：
10.1016/j.cattod.2005.10.030
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
An activated carbon was modified by impregnating with various acids or bases. The effects of adsorption capacity and impregnated contents on the textural properties of the impregnated activated carbons (IACs) were investigated. Furthermore, VOC adsorption and desorption experiments were carried out to determine the relationship between the adsorption capacity and chemical properties of the adsorbents. The effects of various parameters such VOC concentration, aspect ratio, flow rate, and impregnated contents were investigated. High adsorption capacity for the selected VOCs was obtained over 1 wt.% H3PO4/AC (1 wt.% PA/AC). As a result, IAC was found to be effective for VOC removal by adsorption with the potential for repeated use through desorption by simple heat treatment. (c) 2005 Elsevier B.V. All rights reserved.
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页码：223 / 228
页数：6
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