Method and device for a dry cleansing plant for aluminum reduction furnaces exhaust gas
US6726020B1 · kind B1 · utility
0Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | May 14, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C3/22
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods and apparatus are provided, which separate out at least a portion of fine dust, including fluoride, from recycled alumina. The difference in natural drop velocity and flow properties of fine and coarse particles is used to effect the separation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.