Patent · US Active

Method for reducing and/or refining a metal-containing slag

US7819941B2 · kind B2 · utility

4Cited by

5References

8Claims

0Family size

Assignee

SMS SIEMAG AG · DE

Inventors

Jürgen Kunze · Rutesheim, DE
Rolf Degel · Ratingen, DE
Dieter Borgwardt · Dorsten, DE
Andrzej Warczok · Barrie, CA
Gabriel Angel Riveros Urzua · Santiago, CL
Marco Antonio Caceres Rivera · Santiago, CL
Roberto Marcelo Parada Araya · San Felipe, CL

Key dates

Filing date	Jun 8, 2006
Grant date	Oct 26, 2010
Priority date	—
Expiry date	Nov 22, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/50
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to a method for reducing and/or refining a metal-containing slag. The aim of the invention is to improve reduction of the slag. For this purpose, calcium carbide (CaC2) is added to the slag as the reducing agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.