The Encyclopedia Americana, Volume 7Grolier, 1989 - Encyclopedias and dictionaries |
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Page 144
COAL LIQUEFACTION - COAL TAR COAST GUARD. 144 UNDERGROUND GASIFICATION OF COAL The United States , Britain , and the ... coal is coke , while the secondary prod- ucts are coal tar , light oil , ammonia liquor , and coal gas . Production ...
COAL LIQUEFACTION - COAL TAR COAST GUARD. 144 UNDERGROUND GASIFICATION OF COAL The United States , Britain , and the ... coal is coke , while the secondary prod- ucts are coal tar , light oil , ammonia liquor , and coal gas . Production ...
Page 145
... coal tar pitches has in- creased tremendously in recent years because of the growing number of useful chemicals recov- ered and derived from them . However , the single most important use of coal tar pitch itself in the United States is ...
... coal tar pitches has in- creased tremendously in recent years because of the growing number of useful chemicals recov- ered and derived from them . However , the single most important use of coal tar pitch itself in the United States is ...
Page 215
... coal produces an average yield of about 0.7 ton ( 0.63 metric ton ) of coke ; 11,500 cubic feet ( 345 cu meters ) of gas ; 12 gallons ( 45.6 liters ) of tar ; 27 pounds ( 12 kg ) of ammonium sulfate ; 50 gallons ( 190 liters ) of benzol ...
... coal produces an average yield of about 0.7 ton ( 0.63 metric ton ) of coke ; 11,500 cubic feet ( 345 cu meters ) of gas ; 12 gallons ( 45.6 liters ) of tar ; 27 pounds ( 12 kg ) of ammonium sulfate ; 50 gallons ( 190 liters ) of benzol ...
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