Method of thermal treatment of mineral raw material

US5458833A · kind A · utility

Assignee

• Dolomitwerke GmbH · DE

Inventors

• Thomas Hammer · Iserlohn, DE
• Heinzjosef Poggenpohl · Aalen, DE
• Rainer Prange · Hagen, DE
• Herbert Richrath · Hagen, DE
• Alfred Roeder · Sörup, DE

Key dates

• Filing date: Jul 22, 1993
• Grant date: Oct 17, 1995
• Expiry date: Jul 22, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2/102
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Method for the production of sintered dolomite, wherein at least carbonate material is ground into particles, formed into a predetermined shape, such as briquettes, deacidified and then heated to a predetermined temperature.