Title:
セレン白金族元素含有物からＲｕ、ＲｈおよびＩｒを分離する方法
Document Type and Number:
Japanese Patent JP6585955
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for efficiently separating Ru, Rh and Ir from a substance containing selenium and platinum group elements.SOLUTION: The method for separating Ru, Rh and Ir from a substance containing selenium and platinum group elements comprises: an alkali treatment step of adding a flux being a mixture of sodium hydroxide and sodium nitrate to a substance containing selenium and platinum group elements composed mainly of Se, Pt, Pd, Ru, Rh and Ir in which Pt, Pd and Ru are bonded mainly to Se to form a selenium compound and melting the substance to produce a melt; and an acid leaching step of subjecting the melt to acid leaching treatment and after that performing solid-liquid separation to produce a solid including Ru, Rh and Ir and a liquid including Se, Pt and Pd.SELECTED DRAWING: None
Inventors:
Yuki Ariyoshi
Application Number:
JP2015152393A
Publication Date:
October 02, 2019
Filing Date:
July 31, 2015
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B11/02; C22B3/10; C22B3/22; C22B7/00
Domestic Patent References:
| JP2003268457A | ||||
| JP2010215999A | ||||
| JP2015513614A | ||||
| JP59104438A | ||||
| JP10195552A | ||||
| JP2012241198A | ||||
| JP2007302944A | ||||
| JP51125626A | ||||
| JP2012167367A |
Attorney, Agent or Firm:
Shunsuke Umeda
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