Waste gas purification systems and methods

Details Waste gas purification systems and methods Waste gas purification systems and methods

1979-02-02

1980-12-09

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

423230, 423245, 423247, 422111, 422112, 422179, 26034676, B01D 5336

Patent

active

042384605

ABSTRACT:
Systems and methods for directing waste gases to a by-pass conduit from a conduit to a waste gas purifier in response to signals indicating predetermined conditions which are harmful to the waste gas purifier to which the waste gases are normally directed while at the same time maintaining a substantially uniform pressure at the source of the waste gases. Preferably, the source of the waste gases is a scrubber unit for a maleic anhydride production unit. The waste gas purifier is preferably a catalytic oxidation unit for oxidizing hydrocarbons and carbon monoxide in the waste gases.

REFERENCES:
patent: 1418246 (1922-05-01), Frazer et al.
patent: 1422211 (1922-07-01), Lamb
patent: 3211534 (1965-10-01), Ridgway
patent: 3222140 (1965-12-01), Sclvally et al.
patent: 3273971 (1966-09-01), Baddorf et al.
patent: 3789104 (1974-01-01), McCauley
patent: 4003979 (1977-01-01), Kanno

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