Method for treating shale
Method of an apparatus for recovering oil from solid hydrocarbon
Method of and apparatus of producing low boiling point hydrocarb
Method of coal liquefaction
Method of coil liquefaction by hydrogenation
Method of liquefying coal
Method of processing substances
Method of producing combustible products from heavy fuel...
Method of recovering evaporable liquids from mud comprising fine
Method of recovering hydrocarbon from oil shale
Method of refining coal by catalyzed short residence time hydrod
Method of refining coal by hydrodisproportionation
Method of refining coal by short residence time hydrodisproporti
Method of refining coal by short residence time partial liquefac
Method of supplying of hot solid particles to a retorting vessel
Method of treating brown coal for liquefaction
Multi-stage coal liquefaction and fractionation method
Multistage process for the direct liquefaction of coal