Title:
METHOD FOR RECOVERING DEPOSIT CONTAINING PLATINUM ELEMENT
Document Type and Number:
Japanese Patent JP2019007052
Kind Code:
A
Abstract:
To provide a method for successfully separating and recovering one or more kind selected from a group consisting of Te, Ru, Pd, Pt and Rh from an acid liquid containing Se generated in an electrolytic slime treatment process of a copper refining or the like, and one or more kind selected from the group consisting of Te, Ru, Pd, Pt and Rh.SOLUTION: In a method for recovering a deposit from a hydrochloric acid acidic liquid containing Se and one or more kind selected from a group consisting of Te, Ru, Pd, Pt and Rh, a part of a Se compound in the solution is reduced in advance with a reduction sulfur until oxidation reduction potential reaches 430 to 500 mV with a silver-silver chloride electrode as a reference electrode, the ketones are added to the hydrochloric acid acidic solution, reduction sulfur is supplied to the hydrochloric acid acidic solution again and the deposit containing one or more kind selected from the group consisting of Te, Ru, Pd, Pt and Rh is recovered.SELECTED DRAWING: Figure 1
Inventors:
MANABE MANABU
NORO TADASHI
MORISHITA SHIORI
NORO TADASHI
MORISHITA SHIORI
Application Number:
JP2017124342A
Publication Date:
January 17, 2019
Filing Date:
June 26, 2017
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP
International Classes:
C22B11/00; C22B3/44; C22B7/00
Domestic Patent References:
| JP2016160479A | 2016-09-05 |
Foreign References:
| CN106636647A | 2017-05-10 | |||
| CN1400322A | 2003-03-05 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation