Method for recovering nitrate ions as nitric acid from nuclear industry effluents
US6235252A · kind A · utility
0Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | May 5, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for recovering nitrate ions as nitric acid from nuclear industry effluents by thermally decomposing the nitrate ions in solution, and recovering the NO.sub.x vapors generated by the heat treatment in an aqueous medium. The resulting nitric acid may be recycled in the nuclear industry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.