Process for removing cyanogen halides and phosgene from waste ga

Details Process for removing cyanogen halides and phosgene from waste ga Process for removing cyanogen halides and phosgene from waste ga

1989-02-17

1990-02-13

Stoll, Robert L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423240, C01C 300

Patent

active

049005235

ABSTRACT:
Cyanogen halides and/or phosgene are removed from waste gases by bringing the waste gases into intimate contact with an aqueous solution of at least one amine of the formula NR.sub.3 ; in the formula, 1 or 2 of the radicals R represent an alkanol or alkylamine group having 2 or 3 carbon atoms in each case, where H and/or C.sub.1 -C.sub.2 -alkyl is bound to the nitrogen of the amine group, and the remaining groups R are H or C.sub.1 -C.sub.4 -alkyl.

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Gross et al., J. Amer. Chem. Soc., 1961, pp. 1510-1511.

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