Title:
PRECIOUS METAL RECOVERY METHOD
Document Type and Number:
Japanese Patent JP2020147811
Kind Code:
A
Abstract:
To provide a precious metal recovery method, that can efficiently recover precious metals from Mitsuda (litharge=lead monoxide).SOLUTION: The precious metal recovery method includes: a melting step of melting reduced silver in an oxidation furnace; a discharging step of flowing and discharging the Mitsuda from the oxidation furnace; a scraping step of scraping out the Mitsuda remaining in the oxidation furnace after the discharging step; and a recovery step of recovering precious metals from the Mitsuda scraped out in the scraping step.SELECTED DRAWING: Figure 1
Inventors:
NISHIYAMA TAKASHI
KURAI DAISUKE
KURAI DAISUKE
Application Number:
JP2019047631A
Publication Date:
September 17, 2020
Filing Date:
March 14, 2019
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP
International Classes:
C22B11/02
Attorney, Agent or Firm:
Shuhei Katayama