Process for producing cyanogen chloride and hydrogen chloride

Details Process for producing cyanogen chloride and hydrogen chloride Process for producing cyanogen chloride and hydrogen chloride

C - Chemistry, Metallurgy

01

C

23/181, 23/49

C01C 3/00 (2006.01) B01D 53/14 (2006.01) C01B 7/01 (2006.01) C01B 7/00 (2006.01)

Patent

CA 1067674

ABSTRACT OF THE DISCLOSURE The present invention provides a process for producing cyanogen chloride and hydrogen chloride by reacting hydrogen cyanide and chlorine, separating from the gaseous mixture (1) hydrogen chloride and (2) either cyanogen chloride or a mixture of cyanogen chloride and chlorine by absorbing (2) in a halohydrocarbon solvent which has a boiling point between that of cyanogen chloride and cyanuric chloride, separating the dissolved (2) from the solvent by distillation of (2) in a column and returning the solvent to the absorption apparatus the improvement comprising employing as the solvent for the absorption a member selected from a trifluoromethyl aromatic hydrocarbon and trifluoromethyl haloaromatic hydrocarbon.

217722

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