Method for producing metallic iron
US6592647B2 · kind B2 · utility
13Cited by
15References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Aug 8, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for heating, reducing and melting a raw material mixture containing carbonaceous reducing agents and an iron oxide-contained substance to manufacture metallic iron, characterized in that a liquid fraction in a solid and liquid coexisting phase of produced slag containing a multi-component gangue is controlled to thereby accelerate melting of solid metallic iron produced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.