Application of Foam-gel Technique to Control CO Exposure Generated During Spontaneous Combustion of Coal in Coal Mines

2015 ◽  
Vol 12 (11) ◽  
pp. D239-D245 ◽  
Author(s):  
Xing W. Ren ◽  
Feng Z. Wang ◽  
Qing Guo ◽  
Zhao B. Zuo ◽  
Qi S. Fang
Keyword(s):  
Spontaneous Combustion ◽  
Coal Mines ◽  
Gel Technique ◽  
Spontaneous Combustion Of Coal

scholarly journals Research on a Gas Index Reflecting the Sorption Process on Carbon Materials in Coal Mines

2018 ◽  
Vol 10 (7) ◽  
pp. 2468 ◽  
Author(s):  
Karolina Wojtacha-Rychter ◽  
Adam Smoliński
Keyword(s):  
Carbon Materials ◽  
Spontaneous Combustion ◽  
Coal Mines ◽  
Sorption Process ◽  
Quantitative Relation ◽  
Gas Mixture ◽  
Coal Seams ◽  
Mine Fire ◽  
Sorption Column ◽  
Spontaneous Combustion Of Coal

Based on the concentration of gases such as propylene and ethylene in the atmosphere of a mine, it is possible to assess the development of a mine fire. With the increase of coal temperature, an increased emission of these gases has been observed. However, the experiment results presented in this paper prove that the use of propylene and ethylene for the prediction of the spontaneous combustion of coal have some limitations. It was found that during a flow of gas mixture through the sorption column, propylene and ethylene were sorbed on coal. This phenomenon manifests in smaller amounts of gases at the outlet of the sorption column. By comparing the concentration of ethylene to propylene at the inlet of the column, it was concluded that the ratio was usually below 3, whereas the range of the ratio at the end of the column was between 0.6–353. The value of gases ratio changed depending on the type of coal material in the column. The results of this experiment provide useful information that the quantitative relation between ethylene and propylene concentrations may indicate the occurrence of the sorption process on carbon materials in coal seams.

Study on the preparation and inhibition mechanism of intumescent nanogel for preventing the spontaneous combustion of coal

Fuel ◽  
2022 ◽  
Vol 310 ◽  
pp. 122240
Author(s):  
Zhian Huang ◽  
Sainan Quan ◽  
Xiangming Hu ◽  
Yinghua Zhang ◽  
Yukun Gao ◽  
...  
Keyword(s):  
Spontaneous Combustion ◽  
Inhibition Mechanism ◽  
Spontaneous Combustion Of Coal
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