2573. ------. [PALLEMAERTS, F. A. F. [Underground Gasification of Solid Fuels.] Belgian Patent 471,877, April 1947. Chem. Abs., vol. 43, 1949, p. 1170.

Completion of the reaction is effected using a liquid fuel, such as fuel oil, gas oil, or other mineral, synthetic, vegetable, or animal oils, to produce CO or CO+H₂ with a view to subsequent conversion into industrial H₂ or to the production of a hydrocarbon gas.