METHOD OF COAL HYDROGENATION Russian patent published in 1995 - IPC

FIELD: chemical technology. SUBSTANCE: slime of hydrometallurgic polymetallic ores processing or concentrate of iron ores electromagnetic separation, or concentrate of "tails" flotation of latter, or nickel-pyrrhotine concentrate at concentration 3-5 wt.-% of coal mass were added to the coal-oily paste. Catalyst is subjected preliminary for mechanical-chemical working for 15-30 min together with elementary sulfur taken at concentration 4-5 wt.-% of coal mass in mill-activator of planetary type at centrifugal acceleration of milling bodies 600-800 m x 600-800 m·s^-2. EFFECT: improved method of coal hydrogenation. 4 tbl