Process for preparation of urea autocondensation product

Details Process for preparation of urea autocondensation product Process for preparation of urea autocondensation product

1974-12-09

1976-03-23

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12724

Patent

active

039460738

ABSTRACT:
Urea is pyrolyzed in a falling film reactor at a temperature of from about 180.degree. to about 240.degree.C. A short residence time in the reactor provides for good urea conversion with minimal formation of other autocondensation pyrolyzates.

REFERENCES:
patent: 2918467 (1959-12-01), Hibbitts et al.
Mutzenburg et al., Chem. Eng., 1965, pp. 175-190.

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