Method for purifying aqueous alkaline solution
US8133459B2 · kind B2 · utility
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3References
8Claims
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Key dates
| Filing date | Aug 4, 2005 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Oct 11, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/912
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for purifying an aqueous alkaline solution, which comprises: bringing a fibrous activated carbon into contact with an aqueous alkaline solution to remove a metal component other than alkali metals and alkaline earth metals from the aqueous alkaline solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.