Use of an iron/silicon/phosphorus-alloy in separation of minerals

US3943061A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Johann Cziska
• George Strauss · Piscataway, US
• Wilhelm Portz · Lechenich, DE
• Klaus Komorniczyk · Kerpen, DE
• Joachim Kandler · Lechenich, DE

Key dates

• Filing date: May 4, 1973
• Grant date: Mar 9, 1976
• Expiry date: May 4, 1993

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22C38/02
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention provides the use of an iron/silicon/phosphorus-alloy containing between 8 and 25 weight % of silicon and between 0.3 and 2.5 weight % of phosphorus as heavy medium for making heavy pulps for the heavy media separation of minerals.