Flexible integrated method for the production of ammonia and ure

Details Flexible integrated method for the production of ammonia and ure Flexible integrated method for the production of ammonia and ure

1980-09-04

1982-03-16

Meros, Edward J.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

564 66, 564 69, C01C 104, C07C12600

Patent

active

043201032

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.

REFERENCES:
patent: 3303215 (1967-02-01), Otsuka et al.
patent: 3310376 (1967-03-01), Cook et al.
patent: 3349126 (1967-10-01), Hsu et al.
patent: 3640052 (1972-02-01), Konoki et al.
patent: 3684442 (1972-08-01), Knoki et al.
patent: 4012443 (1977-03-01), Bonetti
patent: 4013718 (1977-03-01), Guadalupi et al.

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