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《JOURNAL OF EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY》 1998-01
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Fundamental Study on the Pyrolysis of Coals I. Effect of Atmosphere and Temperature on Pyrolysis

Zhu Xuedong , Zhu Zibin, Tang lihua and Zhang Chengfang (Institute of Chemical Technology ECUST, Shanghai 200237)  
Pyrolysis experiments of Dong Sheng bituminous coal have been carried out over the temperature at 600 ̄1 200°C under hydrogen or nitrogen at atmospheric pressure in a batch fixed bed reactor. Results indicate that coal pyrolysis in hydrogen atmosphere, companed with in nitrogen atmosphere, the coversion rate, the yield of gases and the quality of tars are enhanced. The conversion rate and the yield of products are effected significently by the pyrolysis temperature. With increasing temperature, the coversion rate of coal and the yields of CH 4, CO and CO 2 are improved, but hardly changed for C + 2 and H 2O.
【CateGory Index】: TQ530.2,TQ546.2
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