Amine flotation of chromite from acidic pulps
US4311584A · kind A · utility
2Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1980 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Nov 12, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D2203/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Chromium values are recovered from pulverized chromite ore by agitating and aerating an aqueous pulp of said pulverized chromite ore containing an amine collector at a pulp acidity less than 2.5; and recovering a chromite containing froth as a concentrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.