Process for reducing the residual free ammonia emissions from an urea production plant
US6084129A · kind A · utility
5Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 25, 1998 |
| Grant date | Jul 4, 2000 |
| Priority date | — |
| Expiry date | Jun 25, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/141
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for reducing the residual free ammonia emissions from an urea production plant comprises the step of feeding a gas flow comprising carbon dioxide (8) to a melt urea flow (3) coming from the concentration section (13) of the plant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.