Method for beneficiation of phosphate rock
US4388180A · kind A · utility
0Cited by
8References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1981 |
| Grant date | Jun 14, 1983 |
| Priority date | — |
| Expiry date | Dec 14, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D3/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process is disclosed which removes gangue minerals from phosphate rock by forming an aqueous slurry of phosphate rock and its impurities, then using a low boiling, nonpolar, water insoluble, bridging hydrocarbon to selectively agglomerate the phosphates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.