Process for off-gas recovery

Details Process for off-gas recovery Process for off-gas recovery

1979-07-16

1981-03-17

Kratz, Peter F.

Gas: heating and illuminating

Processes

Fuel mixtures

75 60, 252373, 423415A, C10K 300

Patent

active

042564662

ABSTRACT:
Disclosed is a process provided for increasing the fuel value of off-gas (20) recovered from oxygen blowing steel converters (10, 100). Carbon is introduced into an off-gas capture hood (22) to react with carbon dioxide therein to form carbon monoxide. A carbon dioxide curtain (61) is formed which surrounds the inlet end of the gas capture device (22) to prevent air from entering the capture device. Carbon dioxide is drawn from the carbon dioxide curtain (61) into the capture device (22) to mix with the gases therein.

REFERENCES:
patent: 2007586 (1935-07-01), Stalhane et al.
patent: 3118759 (1964-01-01), Okaniwa et al.
patent: 3143142 (1964-08-01), Okaniwa et al.
patent: 3615355 (1971-10-01), Skinner et al.
patent: 4040976 (1977-08-01), Greene

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