Pyrolysis characteristics and kinetics of upgraded Yi'an gas coal

This article studied pyrolysis characteristics and kinetics of upgraded Yi'an gas coal by low temperature pyrolysis in N 2 atmosphere. The quality of coal before and after modification was examined by thermogravimetric analysis. The pyrolysis of the coal becomes violent in the middle temperatur...

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Bibliographic Details
Published in:Energy sources. Part A, Recovery, utilization, and environmental effects Recovery, utilization, and environmental effects, 2016-05, Vol.38 (9), p.1299-1305
Main Authors: Guo, W., Zhou, M., Wei, X.-M., Zhang, C., Hu, C.-E., Yan, D.
Format: Article
Language:English
Subjects:
Caking
Coal
Gas coal
kinetic analysis
low temperature
Mathematical analysis
Pyrolysis
Thermogravimetric analysis
Upgrading
Utilization
Weight loss
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Summary:This article studied pyrolysis characteristics and kinetics of upgraded Yi'an gas coal by low temperature pyrolysis in N 2 atmosphere. The quality of coal before and after modification was examined by thermogravimetric analysis. The pyrolysis of the coal becomes violent in the middle temperature range and is calculated to be a third-order reaction. After upgrading, total weight losses and coal caking properties of different temperatures increase and 250°C is the best upgrading temperature.
ISSN:1556-7036
1556-7230
DOI:10.1080/15567036.2011.644391