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

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.


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Inventors: Cziska, Johann (Erftstadt Lechenich, DT)
Strauss, George (Hurth-Hermulheim, DT)
Portz, Wilhelm (Erftstadt Kierdorf, DT)
Komorniczyk, Klaus (Turnich-Balkhausen, DT)
Kandler, Joachim (Erftstadt Lechenich, DT)

Application Number: 357332
Filing Date: 1973-05-04
Publication_date: 1976-03-09
Assignee: Hoechst Aktiengesellschaft (Knapsack near Cologne, DT)
Primary Class(es): 252/60 209/172.5
Other Classes:
US Patent Ref:
3454498Jul, 1969Gabler et al.252/60.

Other Refs: 1,212,733972,687
Mar, 1966DT
Sep, 1959DT

Primary Examiner: Sebastian, Leland A.
Assistant Examiner: Lloyd, Josephine
Attorney: Connolly and Hutz