tarry residues

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• Coal gasification — is the process of producing coal gas, a type of syngas–a mixture of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapour (H2O)–from coal. Coal gas, which is a combustible gas, was traditionally used as a source of energy for …   Wikipedia

• Pulverized coal-fired boiler — A pulverized coal fired boiler is an industrial or utility boiler that generates thermal energy by burning pulverized coal (also known as powdered coal or coal dust). This type of boiler dominates the electric power industry, providing steam to… …   Wikipedia

• Judaism — /jooh dee iz euhm, day , deuh /, n. 1. the monotheistic religion of the Jews, having its ethical, ceremonial, and legal foundation in the precepts of the Old Testament and in the teachings and commentaries of the rabbis as found chiefly in the… …   Universalium

• Oxidation with chromium(VI)-amine complexes — involves the conversion of alcohols to carbonyl compounds or more highly oxidized products through the action of chromium(VI) oxide amine adducts and salts. Representative members of this family of reagents include Collins reagent, pyridinium… …   Wikipedia