The Encyclopedia Americana, Volume 7Grolier, 1994 - 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 tar , light oil , ammonia liquor , and coal gas . Production . Modern coke ovens are equipped for the efficient ...
COAL LIQUEFACTION - COAL TAR COAST GUARD. 144 UNDERGROUND GASIFICATION OF COAL The United States , Britain , and the ... coal tar , light oil , ammonia liquor , and coal gas . Production . Modern coke ovens are equipped for the efficient ...
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 tar , which is the source of a great num- ber of chemical compounds , including creosote , pitch , toluene , and naphthalene , is extracted from the stream of gases evolved during coking . This is done by means of water spray ...
... Coal tar , which is the source of a great num- ber of chemical compounds , including creosote , pitch , toluene , and naphthalene , is extracted from the stream of gases evolved during coking . This is done by means of water spray ...
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