Removal of SO2 over ethylene tar pitch and cellulose based activated carbon fibers

被引：43

作者：

Ling, L

Li, K

Liu, L

Miyamoto, S

Korai, Y

Kawano, S

Mochida, I

机构：

[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan, Shanxi, Peoples R China

[2] Kyushu Univ, Inst Adv Mat Study, Kasuga, Fukuoka 816, Japan

来源：

CARBON | 1999年 / 37卷 / 03期

关键词：

activated carbon; adsorption; catalytic properties; surface properties;

D O I：

10.1016/S0008-6223(98)00219-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 activities of activated carbon fibers (ACFs) from ethylene tar pitch and cellulose with various surface areas were examined for the oxidative conversion of SO2 into aq.H2SO4 in the presence of H2O and O-2, and compared to those of coal tar pitch and polyacrylonitrile based ACFs. Cellulose ACF with surface area of similar to 1000 m(2)/g after calcination at 1000 degrees C in N-2 showed the highest activity among the ACFs of similar surface area. The higher activity of cellulose ACF appeared to be obtained through the larger amount of CO evolution during the calcination. The SO2 adsorption was enhanced while H2O adsorption was inhibited over the ACFs by the calcination regardless of the sources of ACFs. Activities of fibers decreased significantly with increasing adsorption temperature. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：499 / 504

页数：6

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