Metallic iron nuggets

US7806959B2 · kind B2 · utility

Assignee

• Midrex International B.V. Zurich Branch · CH

Inventors

• Shuzo Ito · Kasai, JP
• Yasuhiro Tanigaki · Kobe, JP
• Isao Kobayashi · Susono, JP
• Osamu Tsuge · Kasai, JP
• Keisuke Honda
• Koji Tokuda · Kobe, JP
• Shoichi Kikuchi · Kobe, JP

Key dates

• Filing date: Jun 4, 2007
• Grant date: Oct 5, 2010
• Expiry date: Jun 4, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/134
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Metallic iron nuggets made by reducing-melt of a material containing a carbonaceous reductant and a metal-oxide-containing material, the metallic iron nuggets comprising at least 94% by mass, hereinafter denoted as “%”, of Fe and 1.0 to 4.5% of C, and having a diameter of 1 to 30 mm are disclosed.