Process for the production of cyanogen chloride using hydrogen p

Details Process for the production of cyanogen chloride using hydrogen p Process for the production of cyanogen chloride using hydrogen p

1976-05-07

1977-09-06

Thomas, Earl C.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

423371, C01B 2118

Patent

active

040468623

ABSTRACT:
Cyanogen chloride or cyanogen bromide is prepared by reaction of hydrogen cyanide with hydrogen chloride or hydrochloric acid (or hydrogen bromide or hydrobromic acid) and hydrogen peroxide in aqueous medium in the presence of cupric and ferric ions under superatmospheric pressure, preferably between 1.5 and 16 bar, and the cyanogen chloride (or cyanogen bromide) recovered separated from oxygen and nitrogen. In a preferred form of the invention, the hydrogen chloride or hydrochloric acid is either partially or entirely formed directly in the recycling catalyst solution of cupric and ferric ions by reaction of chlorine and hydrogen cyanide, either with or without pressure.

REFERENCES:
patent: 3840648 (1974-10-01), Heilos et al.

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