Journal of Applied Science and Engineering

Published by Tamkang University Press

1.30

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1.60

CiteScore

Peiling Zhou1, Yinghua Zhang1, Zhian Huang This email address is being protected from spambots. You need JavaScript enabled to view it.1, Yukun Gao1 and Shouyi Song1

1State Key Laboratory of High-Efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, P.R. China


 

Received: April 11, 2016
Accepted: August 28, 2016
Publication Date: December 1, 2016

Download Citation: ||https://doi.org/ 10.6180/jase.2016.19.4.10  

ABSTRACT


In order to prevent the spontaneous combustion of coal in gob, a new material of yellow mud/gel composites was researched. According to the programmed heat experiments and combined with the data processing, ability of yellow mud/gel composite material to inhibit coal spontaneous combustion was studied. The results show that: when coal samples were processed by yellow mud/gel composites, amount of carbon monoxide, carbon dioxide and methane all apparently decreased; the effects on inhibiting coal oxidation was especially apparent in temperature range of 90°C ~ 310°C, that water sustaining, flowing and inhibiting performance of material were all improved and the inhibiting rate could reach above 80%. The results demonstrated that new yellow mud/gel composite was capable of inhibiting the oxidation process, which indicated a new direction for preventing spontaneous combustion of coal and further assure safe production of coal mines. 


Keywords: New Gel Composites, Spontaneous Combustion of Coal, Inhibition, Programmed Heat Experiment


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