Manufacture of ceramic tiles from spent aluminum potlining
US5558690A · kind A · utility
20Cited by
20References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1994 |
| Grant date | Sep 24, 1996 |
| Priority date | — |
| Expiry date | Dec 23, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/50
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a process for forming glass-ceramic tiles. Spent aluminum potliner containing carbonaceous material, fluorine, and glass forming materials is oxidized under conditions effective to combust the carbonaceous material and volatilize partially the fluorine in the glass forming materials. The oxidized glass forming materials are vitrified to form a glass melt. This glass melt is then formed into tiles containing fluorine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.