Process for the recovery of cyanuric chloride

Details Process for the recovery of cyanuric chloride Process for the recovery of cyanuric chloride

1979-09-25

1981-01-13

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25128

Patent

active

042450926

ABSTRACT:
There is provided a process for the recovery of cyanuric chloride in solid or liquid form from the reaction mixture which results from the trimerization of cyanogen chloride wherein to recover the cyanuric chloride the gaseous reaction mixture is introduced into an apparatus combination consisting essentially of a stripping column and a condenser connected at the outlet side, preferably a head condenser, preferably above the stripping column, and in which the sump of the stripping column is held to the boiling temperature of the cyanuric chloride whereupon the cyanuric chloride contained in the gaseous reaction mixture at the outlet of the condenser is cooled in the range of 146.degree. to 190.degree. C. and to recover the liquid cyanuric chloride in liquid form it is removed as such at the lower end of the stripping column and is either directly or, in a given case, after an intermediate storage led to a spray tower and is sprayed whereupon the solid, fine-grained cyanuric chloride is withdrawn at the bottom of the spray.

REFERENCES:
patent: 3256070 (1966-06-01), Trickey
patent: 3338898 (1967-08-01), Foulletier
patent: 3409619 (1968-11-01), Kosel
patent: 3539565 (1970-11-01), Evers
patent: 3761472 (1973-09-01), Riethmann et al.
patent: 3925377 (1975-12-01), Geiger et al.
patent: 4038276 (1977-07-01), Geiger et al.
Ullman, Enzyklopadie der technischen Chemie, 3rd Edition, (1954), vol. 5, pp. 624-625.

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