Coal liquefaction using vacuum distillation and an external resi
Coal liquefaction with a selenium catalyst
Coal liquefaction with coal tar solvent
Coal liquefaction with Mn nodules
Coal liquefaction with preasphaltene recycle
Coal liquefaction with subsequent bottoms pyrolysis
Coal liquefaction-gasification process including reforming of na
Coal liquification process
Coal processing system for reducing the amount of insoluble coal
Coal pyrolysis
Coal refining
Coal solubilization
Coal spray composition
Coal tar and hydrocarbon mixture pitch and the preparation...
Coal tar and hydrocarbon mixture pitch production using a...
Coal tar extract with reduced aromatic hydrocarbon content,...
Coal tar pitch and the preparation and use thereof
Coal tar pitch blend having low polycyclic aromatic hydrocarbon
Coal treating process
Coal treatment process and apparatus