Process for reducing sulphur dioxide emission from burning coal
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 the desulfurization of coal
Reactor arrangement for use in beneficiating carbonaceous solids
Selective reduction of sodium in coal by water wash and ion exch
Solid fuel made from porous coal and production process and prod
Stabilized thermally beneficiated low rank coal and method of ma
Sulfur removal and comminution of carbonaceous material
Thermal treated coal, and process and apparatus for preparing th
Upgrading and storage of solid carbonaceous fuel