Apparatus and methods for urea production
US7687041B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 27, 2008 |
| Grant date | Mar 30, 2010 |
| Priority date | — |
| Expiry date | Sep 4, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00006
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus and methods for producing urea are provided. In one or more embodiments, an apparatus for producing urea can include a first zone, which can include a first flow channel in fluid communication with a first tube disposed about a first end of a plurality of trays, a second flow channel in fluid communication with a second tube disposed about the first end of the trays and a second end of the trays, and a third flow channel in fluid communication with a third tube disposed about the first and second ends of the trays. The apparatus can include a second zone, which can include a fixed bed comprising one or more inert packing materials disposed therein to provide additional surface area. The apparatus can include a third zone, which can include a plurality of tubes disposed therein. The second zone can be disposed between the first and third zones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.