Citation: HE Qing, WEI Jun-tao, GONG Yan, DING Lu, YU Guang-suo. Experimental study on co-gasification reactivity of Shenfu bituminous coal char and MSW-based hydrochar[J]. Journal of Fuel Chemistry and Technology, ;2017, 45(10): 1191-1199. shu

Experimental study on co-gasification reactivity of Shenfu bituminous coal char and MSW-based hydrochar

HE Qing ¹ ,
WEI Jun-tao ¹ ,
GONG Yan ¹ ,
DING Lu ² ,
YU Guang-suo ^1,,

1.
Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science & Technology, Shanghai 200237, China
2.
School of Environment and Society, Tokyo Institute of Technology, Tokyo 1528550, Japan

Corresponding author: YU Guang-suo, gsyu@ecust.edu.cn
Received Date: 24 June 2017
Revised Date: 16 August 2017

Fund Project: the National Nature Science Foundation of China 21676091the National Nature Science Foundation of China 21376081The research was supported by the National Nature Science Foundation of China (21676091, 21376081) and the Fundamental Research Funds for the Central Universities (222201717004)the Fundamental Research Funds for the Central Universities 222201717004

Figures(9)

The influences of gasification temperature (800-950℃) and blending ratio (3:1, 1:1, 1:3) on the isothermal CO₂ co-gasification reactivities of Shenfu bituminous coal char (SF char) and HTC char were investigated using an atmospheric thermogravimetric analyzer (TGA). Moreover, the activation energy of char gasification and its influence factors were explored. The results show that the greater surface area and the higher ash content are the main reasons for the high gasification reactivity of HTC char. The reactivities of mixtures with low HTC char proportion are more sensitive to temperature at low temperature range. The activation energy increases with the increase of carbon conversion, and the activation energy correlates well with the blending ratio and the molar ratio of active (K+Na)/Ca in the char.
- co-gasification,
- coal,
- hydrochar,
- reactivity,
- activation energy
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