Process for low temperature electrolysis of metals in a chloride salt bath
US5378325A · kind A · utility
24Cited by
18References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Jun 30, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C3/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A low temperature salt bath for the electrolysis of metal oxides to produce the corresponding metal. The bath comprises a first salt, comprised of at least one fluoride salt, and a second salt, comprised of at least one chloride salt. The fluoride salt increases the metal oxide solubility in the molten salt bath, and the chloride salt reduces the bath liquidus temperature of the salt bath. The preferred process of practicing the invention includes using an anode consisting essentially of carbonaceous material and having an effective surface area about equal to the projected surface area of the anode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.