Froth flotation with sewage treatment plant water effluent
US4028235A · kind A · utility
2Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1976 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | Jun 4, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D2203/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The improvement in the process of concentrating a sulfide mineral by froth flotation from an aqueous pulp of an ore containing such mineral, comprising using as at least part of the aqueous phase of the pulp sewage treatment plant water effluent conditioned prior to use with at least about 3 parts per million of a polyglycerol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.