Novel collectors for the selective froth flotation of mineral sulfides
US4732668A · kind A · utility
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2References
13Claims
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Assignee
Inventors
Key dates
| Filing date | May 6, 1986 |
| Grant date | Mar 22, 1988 |
| Priority date | — |
| Expiry date | May 6, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D2203/025
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a froth flotation process for selectively recovering nonferrous metal-containing sulfide minerals or sulfidized metal-containing oxide minerals from ores using froth flotation. The collector employed in the process is an epithio compound of the formula: ##STR1## wherein m=1, 2 or 3; each R is independently hydrogen, a hydrocarbyl group or substituted hydrocarbyl group; each R.sup.1 is independently hydrogen, a hydrocarbyl group or substituted hydrocarbyl group, provided one R or R.sup.1 is not hydrogen; and each R.sup.2 is independently hydrogen, hydrocarbyl, hydrocarbyloxy or hydrocarbyl thioether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.