Name : [in Japanese]
Location : [in Japanese]
Date : August 09, 2016 - August 10, 2016
Pages 4-5
Low rank coals are susceptible to spontaneous combustion, but they must be heated over a critical temperature of around 70 to 80 °C before spontaneous combustion starts. This work focused on the adsorption of water vapor as a possible mechanism of the temperature increase up to the critical temperature and accurate measurement of oxidation rate of coal at low temperatures. It was found that the oxidation rate is very small below 100°C and that the adsorption of water vapor plays a significant role on the temperature increase even over 100°C and at the relative humidity of as low as 0.01.
