Integrated ammonia-urea producing process, for the production of

Details Integrated ammonia-urea producing process, for the production of Integrated ammonia-urea producing process, for the production of

1977-12-02

1979-02-06

Vertiz, O. R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

423359, C07C12602

Patent

active

041384342

ABSTRACT:
An improvement of the SNAM ammonia-stripper integrated urea process is disclosed, wherein a gaseous stream obtained by decomposing hydrocarbons is fed to an adiabatic ammonia stripper placed downstream of a carbamate decomposer, the adiabatic stripper also receiving a solution of urea which is rich in ammonia coming from the carbamate decomposer. The thus enriched gaseous stream (NH.sub.3, CO.sub.2, H.sub.2 O) is processed in a CO.sub.2 -absorber (or carbamate reactor) and the process proceeds in the urea synthesis reactor. Recycling and recovery loops are provided between the several reaction and/or decomposing units. Surprisingly, enough, the stripping on NH.sub.3 and CO.sub.2 takes place adiabatically and the drop of the CO.sub.2 partial pressure in the stream fed to the carbamate reactor has no bearing on the efficiency of the carbamate conversion which, according to the current technical teachings, requires an increase of the CO.sub.2 partial pressure.

REFERENCES:
patent: 3120563 (1964-02-01), Bongaro
patent: 3193353 (1965-07-01), Matile et al.
patent: 3607939 (1971-09-01), Kaasenbrood et al.
patent: 3674847 (1972-07-01), Kaasenbrood et al.
patent: 3711544 (1973-01-01), Summerville
patent: 3876696 (1975-04-01), Guadalupi et al.
patent: 3936500 (1976-02-01), Kaasenbrood et al.
patent: 3954861 (1976-05-01), Guadalupi et al.
patent: 4012443 (1977-03-01), Bonetti

Affiliated with

Also associated with

Rating

Integrated ammonia-urea producing process, for the production of does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Integrated ammonia-urea producing process, for the production of, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Integrated ammonia-urea producing process, for the production of will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-891292