Title:
TREATMENT METHOD OF MIXTURE CONTAINING NOBLE METAL, SELENIUM AND TELLURIUM
Document Type and Number:
Japanese Patent JP2020105588
Kind Code:
A
Abstract:
To provide a method concentrating noble metal by leaching selenium and tellurium effectively from a mixture containing noble metal, selenium and tellurium.SOLUTION: A treatment method of mixture containing noble metal, selenium and tellurium includes: (1) a first leaching process including to add alkaline solution containing sulfite ion to the mixture; and (2) a second leaching process including to add alkaline solution to undissolved residue of the first leaching process.SELECTED DRAWING: Figure 1
Inventors:
MANABE MANABU
NORO TADASHI
NORO TADASHI
Application Number:
JP2018245416A
Publication Date:
July 09, 2020
Filing Date:
December 27, 2018
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP
International Classes:
C22B11/00; C22B3/12; C22B3/44; C22B61/00
Attorney, Agent or Firm:
Axis International Patent Business Corporation