Coal desulfurization by aqueous chlorination
Coal desulfurization process
Coal desulfurization process
Coal desulfurization using alkali metal or alkaline earth compou
Coal dispersing oil
Coal drying and passivation process
Coal extraction and fuel additive made therefrom
Coal extrusion apparatus and process
Coal fuel mixture resulting in reduced sulfurous pollutants
Coal oil mixtures
Coal passivation process
Coal preparation
Coal preparation
Coal processing system
Coal slurry
Coal suspension flowability improvers
Coal suspensions and process for preparing same
Coal suspensions in organic liquids
Coal suspensions in organic liquids
Coal treatment for ash removal and agglomeration