Process for electrolysis of an aqueous alkali metal chloride solution
US4293395A · kind A · utility
3Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 1980 |
| Grant date | Oct 6, 1981 |
| Priority date | — |
| Expiry date | May 9, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B1/46
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Process for the electrolysis of an aqueous alkali metal chloride solution using a cation exchange membrane, wherein the gas-liquid interface, at which halogen gas is separated, is maintained larger than the sum total of the cross section area of the unit anode chambers opposing to cathodes, and further, higher than the upper end of the cation exchange membrane. The invention has numerous advantages including substantial absence of halogen gas, operation at a low voltage, a high pure product, simplification of operation control and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.