The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 8
Page 144
COAL LIQUEFACTION - COAL TAR COAST GUARD. 144 UNDERGROUND GASIFICATION OF COAL The United States , Britain , and the Soviet Union have made tests to gasify coal under- ground to obtain a low - Btu gas . In this ap- proach , input- and ...
COAL LIQUEFACTION - COAL TAR COAST GUARD. 144 UNDERGROUND GASIFICATION OF COAL The United States , Britain , and the Soviet Union have made tests to gasify coal under- ground to obtain a low - Btu gas . In this ap- proach , input- and ...
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 ...
Other editions - View all
Common terms and phrases
19th century Africa American Atlantic cod became Bogotá born Britain British church civil Clark Clay Cleisthenes Cleveland climate clocks cloture cloud clubs coal coal tar coeducation coelacanth coffee coinage coins coke College Colombia colonies color Colorado Columbia Columbus comets comic commercial common cold common law Commonwealth COMMONWEALTH OF NATIONS Communist countries courts developed died early East economic elected Empire England English established European federal France French higher education important India Indian industry institutions Island John known land later latitudes London major ment meters miles montmorillonite Mountains Museum National North Ocean organization party period plants political Population president produced programs region River Roman social South Soviet Soviet Union species temperature tion trade treaty Union United University usually West western World World War II York