Process of directly reducing iron-containing oxidic materials

US4144052A · kind A · utility

Assignee

• Metallgesellschaft AG · DE

Inventors

• Harry Serbent · Hanau, DE
• Wolfram Schnabel · Idstein, DE

Key dates

• Filing date: Oct 25, 1977
• Grant date: Mar 13, 1979
• Expiry date: Oct 25, 1997

Classification

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

Abstract

A process has been developed for directly reducing iron-containing oxidic materials to sponge iron by means of a moist solid carbonaceous reducing agent having a high volatile content in a rotary kiln in which the solid charge and a gaseous atmosphere move in counter-current flow through the kiln.