Preparation of the reaction products of hydrogen cyanide

Details Preparation of the reaction products of hydrogen cyanide Preparation of the reaction products of hydrogen cyanide

1985-11-25

1988-05-17

Doll, John

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

423372, 423373, 423379, 558346, 558453, 564511, C01C 304

Patent

active

047452072

ABSTRACT:
Reaction products of hydrogen cyanide are prepared by a process in which hydrogen cyanide prepared in a conventional manner by pyrolysis at from 250.degree. to 650.degree. C. over a solid under from 5 to 200 mbar is cooled to a temperature of from 200.degree. to -10.degree. C. together with the other pyrolysis products, the hydrogen cyanide is then fed to a chemisorption reaction with a base or with a carbonyl compound, and the reaction products of hydrogen cyanide which are formed therein are removed from the system and brought to atmospheric pressure. In this process, the handling of large amounts of hydrogen cyanide is avoided.

REFERENCES:
patent: 1846221 (1932-02-01), Michael et al.
patent: 2429262 (1947-10-01), Fallows et al.
patent: 2529546 (1950-11-01), Fallows et al.
patent: 3702887 (1972-11-01), Sennewald et al.
patent: 4230772 (1980-10-01), Swift et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Edition, vol. 7, John Wiley & Sons (1981), pp. 307-310.

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