Process for the removal of contaminating elements from pig-iron, steel, other metals and metal alloys
US4614540A · kind A · utility
0Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1985 |
| Grant date | Sep 30, 1986 |
| Priority date | — |
| Expiry date | Jul 31, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B9/05
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a process for the removal of contaminating chemical elements from pig-iron, steel and other metals and metal alloys in course of the refining process with oxygen blast, as well as for accelerating hydrometallurgical processes. The essence of the process lies in that quantity of free oxygen radicals and temperature of smelting bath are controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.