Distillation: processes – thermolytic – Miscellaneous
Patent
1978-06-21
1981-01-13
Lutter, Frank W.
Distillation: processes, thermolytic
Miscellaneous
202257, 202263, C10B 5700, C10B 2704
Patent
active
042447852
ABSTRACT:
Charging gases from each coking chamber in a battery of coke ovens are withdrawn through a closable ascension pipe into only a first gas main. The gases liberated during carbonization of the coal charge in each oven chamber are withdrawn through a closable ascension pipe into only a second gas main throughout the remainder of the carbonization process. The gases in each gas main are sprayed with flushing liquor. Gases are continuously transferred from the second gas main through pipes into the first gas main to equalize the gas pressure within the gas mains. Flushing liquor removed from the first gas main is processed to remove the tar content therefrom and to provide a clear flushing liquor which is used to spray charging gases within the first gas main. Gases and flushing liquor removed from the second gas main undergo separation whereupon the gas phase is discharged for further processing and the liquid phase undergoes separation to remove solids and tars therefrom, thus providing clear flushing liquor for reuse to spray gases in the second gas main.
REFERENCES:
patent: 1376313 (1921-04-01), Becker
patent: 1798517 (1931-03-01), Becker
patent: 1849197 (1932-03-01), Miller
patent: 2692849 (1954-10-01), Hyde
patent: 2975109 (1961-03-01), Van Ackeren
patent: 3309286 (1967-03-01), Alderman
patent: 3764482 (1973-10-01), Yoshida et al.
patent: 4010079 (1977-03-01), Faber
patent: 4105503 (1978-08-01), Bruce
patent: 4110168 (1978-08-01), Brice
Lutter Frank W.
Murray Thomas H.
Phillips Roger F.
Poff Clifford A.
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