Title:
白金族元素を含む沈殿物の回収方法
Document Type and Number:
Japanese Patent JP6882110
Kind Code:
B2
Abstract:
To provide a method for excellently separating and recovering one or more kinds selected from the group consisting of Te, Ru, Pd, Pt and Rh from an acidic liquid containing Se generated in an electrolytic slime treatment step or the like of copper smelting and one or more kinds selected from the group consisting of Te, Ru, Pd, Pt and Rh.SOLUTION: In a method for recovering precipitates from hydrochloric acidic liquid containing Se and one or more kinds selected from the group consisting of Te, Ru, Pd, Pt and Rh, a concentration of selenious acid in the hydrochloric acidic liquid is previously adjusted to be 10 to 500 mg/L as the concentration of selenium. Then after ketones are added into the hydrochloric acidic liquid, the precipitates containing one or more kinds selected from the group consisting of Te, Ru, Pd, Pt and Rh are recovered by supplying reducing sulfur into the hydrochloric acidic liquid again.SELECTED DRAWING: Figure 1
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Inventors:
Manabe Manabu
Tadashi Noro
Shiori Morishita
Tadashi Noro
Shiori Morishita
Application Number:
JP2017143663A
Publication Date:
June 02, 2021
Filing Date:
July 25, 2017
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B61/00; C22B7/00; C22B11/00
Domestic Patent References:
| JP2016160479A |
Foreign References:
| CN106636647A | ||||
| CN1400322A |
Attorney, Agent or Firm:
Axis International Patent Business Corporation