Urea manufacture

Details Urea manufacture Urea manufacture

1970-05-19

1976-01-13

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12600

Patent

active

039325040

ABSTRACT:
Urea is made from ammonia and carbon dioxide by first reacting ammonia and carbon dioxide to form urea, ammonium carbamate and water, and then decomposing the carbamate to ammonia and carbon dioxide which are returned to the reaction zone.

REFERENCES:
patent: 3046307 (1962-07-01), Bochinski
patent: 3436317 (1969-04-01), Otsuka et al.
patent: 3470247 (1969-09-01), Guadalupi
patent: 3527799 (1970-09-01), Mavrovic

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