Title:
A rare earth element condensation method from a rare earth element content substance
Document Type and Number:
Japanese Patent JP5977385
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for concentrating rare earth elements from a rare earth element-containing product at high concentration ratio.SOLUTION: There is provided a method for concentrating rare earth elements from a rare earth element-containing product including a process 1 for heating and melting the rare earth element-containing product in a co-presence of BOto form a BOphase and a rare earth element rich phase more than the BOphase under the BOphase.
Inventors:
Tsutomu Yamaguchi
Hidehiro Sekimoto
Hidehiro Sekimoto
Application Number:
JP2015022378A
Publication Date:
August 24, 2016
Filing Date:
February 06, 2015
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
Iwate University
Iwate University
International Classes:
C22B59/00; B09B3/00; C22B7/00; C22B9/10
Domestic Patent References:
| JP2004068082A |
Foreign References:
| WO2010098381A1 |
Other References:
SAITO T 他4名,The extraction of Nd from waste Nd-Fe-B alloys by the glass slag method,Journal of Alloys and Compounds,NL,2003年 4月 7日,Vol.353 No.1/2,Page.189-193
Attorney, Agent or Firm:
Axis International Patent Business Corporation