Removal of phosgene from off-gases

Details Removal of phosgene from off-gases Removal of phosgene from off-gases

1976-06-21

1977-12-20

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

423420, 423470, B01D 5334

Patent

active

040642186

ABSTRACT:
Process for the removal of phosgene from an off-gas in which it is present in small quantities, by washing with an aqueous solution of alkali and ammonia.

REFERENCES:
patent: 3142535 (1964-07-01), Christoph, Jr.
patent: 3314753 (1967-04-01), Richert et al.
patent: 3376113 (1968-04-01), Frevel et al.
patent: 3411867 (1968-11-01), Beech et al.

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