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Title:
COMBINED PROCESS FOR MANUFACTURE OF FLEXIBLE AMMONIA AND UREA
Document Type and Number:
Japanese Patent JPS51118725
Kind Code:
A
Abstract:
In an integrated flexible installation for producing ammonia and urea, the improved method which consists in that a portion of the gaseous stream comprising carbon dioxide, hydrogen and nitrogen is fed to a complementary decarbonation area and then admixed with a portion of a similar, but non-decarbonated stream of gas prior to entering the carbon-dioxide-absorption unit. Liquid ammonia is recovered from a portion of the ammoniated aqueous solution used for abating the ammonia and sent to a distillation column to recover liquid ammonia therefrom.

Inventors:
GIORUGIO PAGAANI
Application Number:
JP3274176A
Publication Date:
October 18, 1976
Filing Date:
March 26, 1976
Export Citation:
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Assignee:
SNAM PROGETTI
International Classes:
C01C1/04; C07C67/00; C07C239/00; C07C273/04; C07C273/10; (IPC1-7): C07C126/02
Domestic Patent References:
JP42012245A
JP45041374A