Insight into the chemical reaction process of coal during the spontaneous combustion latency

H Liu, Z Li, G Miao, J Yang, X Wu, J Li - Energy, 2023 - Elsevier
The oxidation reaction intensity of coal is quite weak during the spontaneous combustion
latency. A thermopile sensor suitable for an isothermal flow reactor was developed to …

The impact of the ventilation system on the methane release hazard and spontaneous combustion of coal in the area of exploitation—a case study

M Tutak, J Brodny, D Szurgacz, L Sobik, S Zhironkin - Energies, 2020 - mdpi.com
Various types of natural hazards are inextricably linked to the process of underground hard
coal mining. Ventilation hazards—methane and spontaneous combustion of coal—are the …

Examination of CO, CO2 and active sites formation during isothermal pyrolysis of coal at low temperatures

J Li, Z Li, Y Yang, Y Duan, J Xu, R Gao - Energy, 2019 - Elsevier
The thermal decomposition of oxygen-containing functional groups produces CO, CO 2 and
active sites that accelerate coal spontaneous combustion. Study on this process is of great …

Effect of water immersion on active functional groups and characteristic temperatures of bituminous coal

X Zhai, H Ge, T Wang, CM Shu, J Li - Energy, 2020 - Elsevier
In the mining of multiple coal seams, geological fracture may cause water from aquifers to
accumulate in the overlying gob. Residual coal in the overlying gob after water immersion …

Effect of production conditions on self-heating propensity of torrefied sawmill residues

DCC Ceballos, K Hawboldt, R Hellleur - Fuel, 2015 - Elsevier
In this work, a screening of the self-heating propensity of bio-char produced from softwood
bark and sawdust under different torrefaction conditions was performed. As there is an …

Study on the generation of active sites during low-temperature pyrolysis of coal and its influence on coal spontaneous combustion

J Li, Z Li, Y Yang, X Zhang - Fuel, 2019 - Elsevier
The coal after low-temperature pyrolysis is more prone to self-heating and spontaneous
combustion. To study the original heat source, this paper conducted sequentially isothermal …

Experimental investigation on microstructure evolution and spontaneous combustion properties of secondary oxidation of lignite

Y Tang, H Wang - Process Safety and Environmental Protection, 2019 - Elsevier
Effective prevention and control of spontaneous fire of low-rank coal at underground goafs
are critical to ensure coal mine safety. The characteristics of secondary oxidation of two …

Experimental investigation on microstructure evolution and spontaneous combustion properties of aerobic heated coal

Y Liang, F Tian, B Guo, Z Liu - Fuel, 2021 - Elsevier
Since coal oxidation and heat accumulation are prerequisites for coal spontaneous
combustion, it is of great significance to study the characteristics of coal oxidation and heat …

A novel methodology for evaluating the inhibitory effect of chloride salts on the ignition risk of coal spontaneous combustion

H Lv, B Li, J Deng, L Ye, W Gao, CM Shu, M Bi - Energy, 2021 - Elsevier
When coal dust accumulations are exposed to air for a period of time, they are gradually
oxidised by oxygen. This eventually leads to ignition, causing fires and explosions and …

Effects of igneous intrusions on the structure and spontaneous combustion propensity of coal: A case study of bituminous coal in Daxing Mine, China

Q Shi, B Qin, H Liang, Y Gao, Q Bi, B Qu - Fuel, 2018 - Elsevier
An investigation of the effects of igneous intrusions on the physicochemical structure and
spontaneous combustion characteristics of coal is important for safe production in coal …