Removing anions from alkaline silicate solutions
US6063344A · kind A · utility
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3References
20Claims
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Key dates
| Filing date | Jun 1, 1999 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Jun 1, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B33/325
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of removing HMO.sub.2.sup.- anions from an aqueous silicate solution comprising contacting the solution with a cationic ion exchange resin, where M is manganese, zinc, copper, nickel, or a mixture thereof. The method is particularly applicable to solutions of sodium silicate or potassium silicate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.