精选优质文档-倾情为你奉上Spontaneous combustion of coalCoal undergoes slow oxidation on exposure to air at ambient temperatures, with the evolution of heat, gases and moisture, the heat generated, if not dissipated, gives rise to an increase in the temperature of the coal. As the temperature of the coal rises, the rate of oxidation increases. If this is allowed to proceed unchecked it can eventually result in the ignition of the coal. This oxidation process is known as spontaneous combustion or spon
