5HOWARD J. Chemistry of coal utilization[M]. New York: National Research Council, 1981.286-298.
6HASS J,TAMURA M,WEBER R. Characterisation of coal blends for pulverized fuel combustion[J]. Fuel, 2001,80(9): 1317-1323.
7Evgueni Jak, Alex Kondratiev. Thermodynamic modeling of the system A1203-SiO2-CaO-FeO-Fe203 to predict the flux requirements for coal ash slags [ J ]. Fuel, 1998,77 (2) :77-84.