Method for controlling chlorates
US4643808A · kind A · utility
3Cited by
8References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1984 |
| Grant date | Feb 17, 1987 |
| Priority date | — |
| Expiry date | Oct 4, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B1/16
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for controlling chlorates in an aqueous alkali metal hydroxide liquor produced by an ion exchange membrane electrolysis is provided, which comprises adding a reducing agent to brine to keep the concentration of chlorates to a specified value or less. The present invention provides an alkali metal hydroxide liquor with low content of chlorates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.