Process for the recovery of magnesium
US4051223A · kind A · utility
14Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1975 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Nov 10, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Magnesium values are selectively extracted from aqueous solutions thereof also containing calcium using quaternary ammonium salts of selected hydrogen ion exchange reagents. Magnesium is stripped from the resulting organic phase with acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.