Title:
METHOD OF RECOVERING VALUABLE METAL FROM VALUABLE METAL CONTAINING ALLOY
Document Type and Number:
Japanese Patent JP2015120973
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method of recovering valuable metal from valuable metal containing alloy that can reduce an amount of chemical, an amount of waste, and the number of steps.SOLUTION: This invention provides a method of recovering valuable metal from valuable metal containing alloy, including a rare earth immersion step (S11) in which rare earth containing alloy 11 is immersed in fused-salt 13 having metal halide 12 added thereto so that rare earth metal 14 included in the rare earth containing alloy 11 is exuded as rare earth salt, and a fused-salt electrolysis step (S12) in which the rare earth salt exuded in the fused-salt 13 is electrolyzed for recovery of the rare earth metal 14.
Inventors:
KANEMURA SHOHEI
NAKAMURA HITOSHI
MIZUGUCHI KOJI
NAKAMURA HITOSHI
MIZUGUCHI KOJI
Application Number:
JP2014237026A
Publication Date:
July 02, 2015
Filing Date:
November 21, 2014
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
B09B3/00; C25C3/02; C22B7/00; C22B59/00; C25C7/06
Attorney, Agent or Firm:
Patent business corporation Tokyo International Patent Office