Process for recovery of iron oxide and chlorine from dust produced in chlorination of titaniferous ores

US4060584A · kind A · utility

Assignee

• Kronos Titan GmbH · DE

Inventors

• Achim Hartmann · Pulheim, DE
• Achim Kulling · Leverkusen, DE
• Hans Thumm

Key dates

• Filing date: Feb 14, 1977
• Grant date: Nov 29, 1977
• Expiry date: Feb 14, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01G49/06
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The dust produced in the chlorination of titaniferous ores comprises essentially particulate ferrous chloride plus solid contaminants including coke and various metal chlorides and oxides and is oxidized in successive stages at relatively low temperatures to recover particulate iron oxide and gaseous chlorine.