Metals removal from aqueous peroxy acids or peroxy salts
US5262018A · kind A · utility
15Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1991 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Aug 12, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B1/29
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for purifying a peroxygen compound in an aqueous solution of a peroxygen-stable acid or salt of the acid, comprising contacting the aqueous solution at a pH of about 0.5 to 4 with a chelating ion exchange resin and separating the product as a purified aqueous solution, or optionally as a solid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.