Catalytic hydropyrolysis of carbonaceous material with char recy
Catalytic two-stage coal hydrogenation process using extinction
Catalytic two-stage coal liquefaction process having improved ni
Catalytic two-stage liquefaction of coal utilizing cascading of
Coal extract hydroconversion process comprising solvent enhanced
Coal hydrogenation process with integrated refining stage
Coal liquefaction process using pretreatment with a binary solve
Coal liquefaction process with increased naphtha yields
Coal liquefaction with preasphaltene recycle