Method for dehydrating ores
US3996333A · kind A · utility
1Cited by
4References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 28, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Aug 28, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B21/0007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for dehydrating alunite ore prior to further processing to recover metals therefrom, comprising exposing the ore in particulate form to burning coal as the heat supply in a fluidized bed fluidized with an oxygen containing gas. The invention is illustrated by the removal of water from alunite ore prior to further processing the ore to recover aluminum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.