Method for purifying a dust-containing hot gas, more particularl

Details Method for purifying a dust-containing hot gas, more particularl Method for purifying a dust-containing hot gas, more particularl

1981-08-28

1983-03-08

Nozick, Bernard

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

266157, 55 11, 55135, C21B 304

Patent

active

043759823

ABSTRACT:
Coal gas produced in an iron bath reactor during the gasification of coal is first cooled down in a first cooling step to a temperature of, preferably, 300.degree. C., and is subsequently purified at this temperature in a first electrofilter, then cooled down in a second cooling step to a temperature of, preferably 50.degree. C. and, finally, purified at this temperature in a second electrofilter.

REFERENCES:
patent: 2002860 (1935-05-01), Levy
patent: 2171535 (1939-09-01), Berg et al.
patent: 3389897 (1968-06-01), Tunder et al.
patent: 3395512 (1968-08-01), Finney et al.
patent: 3533739 (1970-10-01), Pelezarski
patent: 3554515 (1971-01-01), Tonooka et al.
patent: 3731910 (1973-05-01), Bultler
patent: 4283223 (1981-08-01), Billard

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