Title:
SEPARATION METHOD
Document Type and Number:
Japanese Patent JP2015218377
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a separation method capable of concentrating dysprosium when rare earth elements are separated from iron scrap.SOLUTION: Provided is a separation method where rare earth elements are separated from a composition including rare earth elements and iron group elements, containing a process of melting the composition and oxides, in which the oxides are made of silica, calcium oxide and alumina, the content of the silica is 35 to 70 mass%, the content of the calcium oxide is 10 to 50 mass%, and the content of the alumina is 5 to 25 mass%.
Inventors:
TAMURA TAKUYA
Application Number:
JP2014104566A
Publication Date:
December 07, 2015
Filing Date:
May 20, 2014
Export Citation:
Assignee:
NAT INST OF ADVANCED IND SCIEN
International Classes:
C22B59/00; B09B3/00; C22B7/00; C22B9/10
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito
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