Flashed-down residue treatment including filtering and solvent r
Fluid bed retorting process and system
Fluid bed retorting process with lateral flow
Fluid coking and gasification process
Fluid coking with the addition of polymetaphosphoric acid cataly
Formation of caking coals
Fuel production by free fall countercurrent flow
Gas extraction of coal
Gas extraction of coal
Gas generation apparatuses and processes
Handling of solids-laden hydrocarbonaceous bottoms in a retort u
Hot sand-coal-cracking to hydrodistillate fuels
Hydrocarbon production by free fall countercurrent flow hydrocon
Hydrocarbon treatment process
Hydrogen donor solvent coal liquefaction process
Hydrogen donor solvent extraction of coal
Hydrogen transfer solvent extraction of coal
Hydrogenation of carbonaceous materials
Hydrogenation of coal
Hydrogenation of coal to produce coke, pitch and electrode carbo