Process for the manufacture of cyanuric acid by heating urea at

Details Process for the manufacture of cyanuric acid by heating urea at Process for the manufacture of cyanuric acid by heating urea at

1982-10-05

1984-06-19

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25132

Patent

active

044554230

ABSTRACT:
In a process for the manufacture of cyanuric acid by heating urea at a temperature above its melting point, an aqueous solution of urea is sprayed onto granules of crude cyanuric acid, recycled externally, and heated at a temperature of 220.degree.-280.degree. C. in a heat exchange zone heated by the walls thereof. A rotor in the device comprising a tubular shaft on which hollow discs are mounted, and in which a heat-transfer fluid circulates, is also employed to heat the material to the manufacture cyanuric acid in high yields.

REFERENCES:
patent: 3236845 (1966-02-01), Baskin

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