THERMODYNAMIC INVESTIGATION OF THE BEHAVIOR OF ASH-FORMING COMPONENTS IN BURNING COALG. Ya. Gerasimov UDC 662.61 A thermodynamic approach to description of the behavior of the fuel-oxidizer system in burning coal is employed to reveal the basic regularities of the process of redistribution of the chemical elements of its mineral part among the ash-forming components. It is shown that the composition of the mineral part is of prime importance in this process. M. V. Lomonosov Institute of Mechanics, Moscow State University, Moscow, Russia; email: firstname.lastname@example.org. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 76, No. 1, pp. 84-88, January-February, 2003. Original article submitted May 29, 2002.