Process for producing iron ore oxidized pellets from magnetite concentrate
US3980465A · kind A · utility
6Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1974 |
| Grant date | Sep 14, 1976 |
| Priority date | — |
| Expiry date | Oct 2, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B1/2413
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Iron-ore oxidized pellets are produced from magnetite concentrate by the addition to the magnetite concentrate of at least one calcium compound selected from the group consisting of slaked lime, quicklime and limestone, to a basicity of 1 to 5, granulating the mixture thus prepared, drying the same, preheating the same at a temperature of from 1000.degree. to 1150.degree.C for 3 to 10 minutes, and thereafter firing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.