Filtration of hot water extraction process whole tailings
US4225433A · kind A · utility
21Cited by
4References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 2, 1978 |
| Grant date | Sep 30, 1980 |
| Priority date | — |
| Expiry date | Oct 2, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D37/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Whole tailings are treated with a flocculant to cause fines to agglomerate with the coarse particles. The product is then vacuum filtered to separate the fines from the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.