3-acrylamido-3-methylbutanoic acid copolymers as selective coal

Apparatus and process for steam treating carbonaceous material

Biodesulphurization process utilizing bacteria

Chemical beneficiation of coal

Chemical cleaning of coal by molten caustic leaching after pretr

Coal ash modification and reduction

Coal drying method and equipment, method for aging reformed coal

Coal preparation system

Coal processing method and apparatus

Combustion catalyst carriers and methods of using the same

Cooling of dried coal

Demineralization of coal

Desulfurization of carbonaceous fuels

Desulfurization of carbonaceous materials

Electrochemical process for removing low-valent sulfur from...

Enzymatic coal desulfurization

Extraction of organic sulfur from coal by use of supercritical f

Fine coal cleaning via the micro-mag process

Fluidized oxydesulfurization of coal

Inclined fluidized bed system for drying fine coal