Process for producing cyanuric chloride (i)

Details Process for producing cyanuric chloride (i) Process for producing cyanuric chloride (i)

C - Chemistry, Metallurgy

07

D

260/248.5

C07D 251/28 (2006.01)

Patent

CA 1100499

ABSTRACT OF THE DISCLOSURE The present invention provides a process for producing cyanuric chloride in a solid or liquid form from the reaction mixture obtained on trimerizing cyanogen chloride, in which pro- cess for producing cyanuric chloride selectively in a liquid or solid form the reaction gas mixture is fed to an apparatus sub- stantially comprising a separating column and a condenser con- nected in series therewith, the reaction gas mixture is injected above the separating column and the bottom of the separating column is kept at the boiling temperature of the cyanuric chloride, the cyanuric chloride contained in the reaction gas mixture being partially condensed in the temperature range from 146 to 190°C depending on the selection of the temperature at the outlet of the condenser, whereupon to obtain the liquid form, the liquid cyanuric chloride is drawn off as such at a lower end of the separating column and/or fed directly or after intermediate storage to a spray tower and sprayed therein, and a solid, fine- grained cyanuric chloride is removed at the bottom of the spray tower, the residual gas leaving the condenser and still contain- ing cyanuric chloride, the amount of which corresponds to the temperature selected at the outlet of the condenser, is fed to a separating chamber, where the residual cyanuric chloride is recovered.

336965

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