Continuous manufacture of formamide

Details Continuous manufacture of formamide Continuous manufacture of formamide

1977-05-05

1979-01-16

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10206

Patent

active

041349156

ABSTRACT:
Formamide is manufactured continuously from methyl formate and gaseous ammonia. The reaction is carried out in a reactor at from 30 to 90.degree. C, from 5 to 20% by volume of the reactor output is drawn off continuously and fed to the formamide working-up stage, and the remainder of the reactor output is cooled, in an external circuit maintained by means of a pump, to from 25 to 60.degree. C and is mixed with the amount of fresh methyl formate required for steady-state operation, after which the appropriate amount of gaseous ammonia is introduced into the stream of liquid through a jet, by the sucking-jet principle, and the stream of liquid is recycled to the reactor.

REFERENCES:
patent: 1567312 (1925-12-01), Wietzel
patent: 2106579 (1938-01-01), Tanner
patent: 2751335 (1956-06-01), Carver et al.

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