Process for alkaline leaching a titaniferous material
US5885536A · kind A · utility
2Cited by
7References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Jan 6, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for alkaline leaching of a titaniferous material containing silica and alumina impurities in which spent leachant is recycled by treating to remove the silica and alumina impurities therefrom, by heating, maintaining the leachant at leaching temperature, or treating with an additive. The removal of the silica and alumina impurities by the method of the invention enables further use of the leachant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.