Improving grinding in a alumina extraction process
US7631821B2 · kind B2 · utility
1Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 2007 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Nov 30, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B1/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present disclosure pertains to a method of improving the grinding of a bauxite containing slurry during the grinding stage of an alumina extraction process. Specifically, an effective amount of one or more non-ionic surfactants, polyglycols, polyglycol ethers, anionic surfactants, anionic polymers, or a combination thereof are added to said bauxite containing slurry during the grinding stage of an alumina extraction process to achieve an improved effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.