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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 30, 2008 - Issue 16
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Original Articles

The Effect of Minerals on the Reactivity of Coal Char Treated Thermally

S. Zhang Department of Power Engineering, University of Shanghai for Science and Technology, Shanghai, P. R. China
,
J. Lu Department of Thermal Engineering, Tsinghua University, Beijing, P. R. China
,
B. Zhao Department of Power Engineering, University of Shanghai for Science and Technology, Shanghai, P. R. China
,
J. Zhang Department of Power Engineering, University of Shanghai for Science and Technology, Shanghai, P. R. China
&
G. Yue Department of Thermal Engineering, Tsinghua University, Beijing, P. R. China
Pages 1491-1497 | Published online: 17 Jun 2008
 
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Abstract

The effect of minerals on the reactivity of coal char is addressed in this article. The chars were prepared in N2 under the inert conditions from the raw coals and their demineralized samples. Thermo-gravimetric analysis (TGA) was used to examine the effect of the minerals in the coals on the reactivity of the derived chars. The effect of minerals on the reactivity of YXV char is different from that on the reactivity of JJV char. The behavior of minerals differs from each other and can be attributed to the different amount, nature, and distribution in the two coals.

Acknowledgments

Financial support from Major State Basic Research Development Program of China (973 Program, No. 2004CB217705), Natural Science Foundation of Shanghai (04ZR14099), and Shanghai Qimingxing Project (05QMX1441) is gratefully acknowledged.

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