Process for the recovery of uranium from phosphoric acid solutions
US4656012A · kind A · utility
5Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1985 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Jun 5, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention concerns the recovery of heavy metals from concentrated solutions. The process comprises complexing the metals with an organophosphorous complexing agent and recovering the metallic complex by sedimentation, filtration, flotation and the like. The process can be used to recover uranium and rare earths from phosphoric acid solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.