Process for removing mineral impurities from coals and oil shale
Process for removing pyritic sulfur from bituminous coals
Process for removing sulfur from coal
Process for the beneficiation of coal by selective caking
Process for treating carbonaceous materials
Process for treating moisture laden coal fines
Process to prepare methanol and/or dimethylether
Process, for the desulfurization of coal
Pulverized coal carriability improver