Process and plant for urea production
US8367867B2 · kind B2 · utility
22Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2007 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Oct 24, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00006
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for producing urea is disclosed, wherein liquid ammonia and carbon dioxide are reacted in a high-pressure synthesis section (100), and at least part of the carbon dioxide is fed to said synthesis section (100) in liquid phase. A plant operating according to said process and a method for modernizing existing plants accordingly are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.