Process for the preparation of urea

Details Process for the preparation of urea Process for the preparation of urea

2005-02-22

2005-02-22

Parsa, J. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C564S067000

Reexamination Certificate

active

06858755

ABSTRACT:
Process for the preparation of urea from ammonia and carbon dioxide, wherein the waste gases released at virtually atmospheric pressure in a urea plant are compressed by an ejector driven by the waste gas from the high-pressure synthesis and are supplied to a medium-pressure absorber. The pressure of the waste gases is increased by 0.15-1 MPa.

REFERENCES:
patent: 6084129 (2000-07-01), Romiti
patent: 891 968 (1999-01-01), None
Mavrovic et al., compressing and recovering the exhaust gases from the synthesis of urea, Chemical Abstract, DN 68:95356, (DE 1257769)1968.

Affiliated with

Also associated with

Rating

Process for the preparation of urea does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3461873