Method of operating an electrolytic cell
US4379035A · kind A · utility
4Cited by
0References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 1982 |
| Grant date | Apr 5, 1983 |
| Priority date | — |
| Expiry date | May 10, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B15/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Discloses a method of operating a chlor-alkali cell having a low hydrogen overvoltage cathode and exposed high hydrogen overvoltage metal structure within the cathode compartment, where a composition of sodium nitrite and sodium benzoate is added to the catholyte to avoid corrosion of the exposed, high hydrogen overvoltage metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.