Calcium impregnation of coal enriched in CO.sub.2 using high-pre
Carbon foam abrasives
Carbon foam abrasives
Carbon foam abrasives
Cellular coal products and processes
Cellular coal products and processes
Chemical beneficiation of coal
Chemical cleaning of coal by molten caustic leaching after pretr
Chemical comminution and deashing of low-rank coals
Coal ash modification and reduction
Coal beneficiation by gas agglomeration
Coal drying method and equipment, method for aging reformed coal
Coal preparation system
Coal processing method and apparatus
Coal reforming process and apparatus therefor
Coal-based carbon foam
Combustion catalyst carriers and methods of using the same
Composite tooling
Conversion of solid carbonaceous material using polyoxoanions
Cooling of dried coal