Method and system for controlling addition of powdery materials into the bath of an electrolysis cell for the production of aluminium
US7504016B2 · kind B2 · utility
0Cited by
4References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2004 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Aug 3, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C3/14
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This invention relates to a method for controlling additions of powder materials into an electrolytic cell designed for the production of aluminium by fused bath electrolysis. The method according to the invention, which can easily be automated, can be used to maintain monitoring of operation of the feed even during anode effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.