Structure diagram of silicon dioxide.

Peiling Zhou1, Yinghua Zhang1, Zhian Huang  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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