Kinetic study of the gasification of an Australian bituminous coal char in carbon dioxide

被引：4
|
作者：
Chodankar, Chetan R. [1 ]
Feng, Bo [1 ]
Ran, Jingyu [2 ]
Klimenko, A. Y. [1 ]
机构：
[1] Univ Queensland, Sch Engn, St Lucia, Qld 4072, Australia
[2] Chongqing Univ, Inst Energy & Environm, Chongqing 400044, Peoples R China
来源：
ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING | 2010年 / 5卷 / 03期
关键词：
TGA; char gasification; random pore model; CO2; GASIFICATION; REACTIVITY; PRESSURE;
D O I：
10.1002/apj.269
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Experimental work was carried out to study the kinetics of the carbon dioxide gasification of a coal char. The coal char was prepared from an Australian bituminous coal by pyrolyzing it at 900 degrees C in a tube furnace for 9 min in inert environment. The coal char was gasified in a thermo-gravimetric analyzer (TGA) with a mixture of carbon dioxide and nitrogen. The effects of gasification temperature (800-875 degrees C) and carbon dioxide concentration (10-80%) were studied. In the present study the reaction rate of the pyrolyzed coal was obtained and interpreted by Random pore model. (c) 2009 Curtin University of Technology and John Wiley & Sons, Ltd.
引用
收藏
页码：413 / 419
页数：7
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