Experimental study on the influence of coal oxidation on coal and gas outburst during invasion of magmatic rocks into coal seams

•The change law of outburst risk prediction indexes in the process of coal oxidation was analyzed.•The conditions of original coals transforming into coals with outburst risk in the process of oxidation were determined.•The influence mechanism of magmatic rock invading coal mass on outburst disaster...

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Veröffentlicht in:	Process safety and environmental protection 2019-04, Vol.124, p.213-222
Hauptverfasser:	Zhou, Buzhuang, Yang, Shengqiang, Wang, Chaojie, Cai, Jiawen, Xu, Qin, Sang, Naiwen
Format:	Artikel
Sprache:	eng
Schlagworte:	BET specific surface area Coal Coal gas outbursts Coal moisture Coal strength Diffusion Disasters Gas chromatography Gaseous diffusion Low temperature oxidation Mechanical properties Metamorphism Metamorphism (geology) Migration Outburst prediction index Oxidation Oxygen Physical properties Risk Rocks Temperature effects Temperature requirements Velocity Volatile compounds Volatiles
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