Cascading purification
US8540958B2 · kind B2 · utility
0Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2012 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Jun 12, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B33/037
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a method of purifying a material using a cascading dissolution and washing process. The dissolution and washing processes can contain single or multiple stages. Water and dissolving chemicals are recycled through the process towards the beginning of the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.