Method for producing chromium containing molten iron with low sulphur concentration
US5028388A · kind A · utility
1Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1990 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Nov 19, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21C5/005
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Reduction of chromium oxide is performed by utilizing refinement or reduction container having top-blowing capability. Chromium oxide is charged in the molten iron bath in the aforementioned container. Content of slag is adjusted to maintain the following condition: EQU CaO/SiO.sub.2 :2.1 to 3.5 EQU MgO/Al.sub.2 O.sub.3 :0.6 to 0.8
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.