Process for purifying crude cyanuric acid

Details Process for purifying crude cyanuric acid Process for purifying crude cyanuric acid

1975-12-29

1977-06-21

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D25132

Patent

active

040310914

ABSTRACT:
Process for purifying crude cyanuric acid whereby crude cyanuric acid is digested with an aqueous phosphoric acid solution containing about 10 to about 85% phosphoric acid at a temperature of about 180.degree. to about 220.degree. C under at least the autogenously developed pressure to digest the crude cyanuric acid. A novel, large, free-flowing cyanuric acid product is recovered free of any hard cement-like masses.

REFERENCES:
patent: 3357979 (1967-12-01), Sobocinski et al.
patent: 3380667 (1968-04-01), Moore et al.
patent: 3644359 (1972-02-01), Mesiah et al.
"Handbook of Chemistry & Physics", Ed. 41, Chemical Rubber Pub. Co. Ohio, p. 3363 (1960).

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