Recent progress and perspective on thermal-kinetic, heat and mass transportation of coal spontaneous combustion hazard

X Lu, J Deng, Y Xiao, X Zhai, C Wang, X Yi - Fuel, 2022 - Elsevier
The thermal dynamic hazard raised by coal spontaneous combustion (CSC) is greatly
challenging the worldwide coal industry. Understanding the mechanisms of CSC can …

Coal oxidation at low temperatures: oxygen consumption, oxidation products, reaction mechanism and kinetic modelling

H Wang, BZ Dlugogorski, EM Kennedy - Progress in energy and …, 2003 - Elsevier
Coal oxidation at low temperatures (ie< 100° C) is the major heat source responsible for the
self-heating and spontaneous combustion of coal and is an important source of greenhouse …

Experimental studies of spontaneous combustion and anaerobic cooling of coal

J Deng, Y Xiao, Q Li, J Lu, H Wen - Fuel, 2015 - Elsevier
To study the spontaneous combustion and anaerobic cooling of coal, a 15-t experimental
furnace was constructed, and large-scale spontaneous combustion tests were conducted …

Thermodynamics of oxygen-containing intermediates and their role in coal spontaneous combustion

J Li, W Lu, J Li, Q Zhang, H Zhuo - Energy, 2022 - Elsevier
Oxygen-containing intermediates (OCIs) play an important role in low-temperature oxidation
of coal. However, since they are in a dynamic intermediate state, it is difficult to test their …

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 …

Development of non-isothermal TGA–DSC for kinetics analysis of low temperature coal oxidation prior to ignition

B Li, G Chen, H Zhang, C Sheng - Fuel, 2014 - Elsevier
The present work was aimed at developing a method for determining the kinetics of low
temperature coal oxidation based on thermogravimetric analysis and differential scanning …

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 …

Quantum chemical calculation of reaction characteristics of hydroxyl at different positions during coal spontaneous combustion

H Zhu, Y Huo, W Wang, X He, S Fang… - Process Safety and …, 2021 - Elsevier
Hydroxyl groups are one of the key factors for the development of coal spontaneous
combustion. Although the reaction mechanism has been studied by many scholars, the …

A short review of improvement in flotation of low rank/oxidized coals by pretreatments

W Xia, J Yang, C Liang - Powder Technology, 2013 - Elsevier
Low rank/oxidized coals are difficult to float with oily collectors. The presence of polar
hydroxyl, carbonyl, phenol groups and some peroxide type oxygenated moieties on the …

Effect of multi-component gases competitive adsorption on coal spontaneous combustion characteristics under goaf conditions

Y Zheng, Q Li, G Zhang, Y Zhao, P Zhu, X Ma… - Fuel Processing …, 2020 - Elsevier
Coal spontaneous combustion in the goaf usually occurs in the multi-component gases
environment. In this work, the multi-component gases competitive adsorption properties and …