Exhaust gas processing method
US6491885B1 · kind B1 · utility
9Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Jun 28, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2251/2067
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An ammonia generating method characterized by generating ammonia by the contact hydrolysis of urea by contacting at 200° C. or more an aqueous solution of urea with a contact hydrolysis catalyst containing at least one selected from the group consisting of hydroxides, carbonates, and silicates of alkaline metals as the main component, and a combusted exhaust gas processing method using the ammonia generated by the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.