Process for flocculating taconite tailings
US4701264A · kind A · utility
6Cited by
17References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 1985 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | May 6, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/907
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Described herein is a process for flocculating taconite tailings which comprises (a) forming a concentrated aqueous solution from a water-soluble ter- or higher polymer water-in oil emulsion, (b) diluting said concentrated aqueous solution of ter- or higher polymer formed in step (a) with additional water, (c) mixing the diluted solution of (b) with taconite tailings under appropriate floc forming conditions and (d) allowing the suspended solids to settle to form an essentially clear aqueous supernatant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.