Title:
Rhodium and a condensation method of ruthenium
Document Type and Number:
Japanese Patent JP6250365
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for concentrating rhodium and ruthenium capable of concentrating rhodium and ruthenium at a low cost and with high efficiency without leaching rhodium and ruthenium.SOLUTION: There is provided a method for concentrating rhodium and ruthenium which comprises: a step of alkali-leaching selenium and tellurium by adding an alkali to a leached residue containing selenium, tellurium, rhodium and ruthenium to blow air; a step of solid-liquid separating a solution after the alkali-leaching step to obtain an alkali-leached residue containing a solution after alkali-leaching containing selenium and tellurium and rhodium and ruthenium; and a step of repeating a part of the alkali-leached residue to the alkali-leaching step.
Inventors:
Kurai Daisuke
Nobuaki Okajima
Toshifumi Ishii
Nobuaki Okajima
Toshifumi Ishii
Application Number:
JP2013231439A
Publication Date:
December 20, 2017
Filing Date:
November 07, 2013
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B11/00; C01B19/02; C22B3/08; C22B3/12; C22B7/00; C22B61/00
Domestic Patent References:
| JP2007270233A | ||||
| JP2011058018A | ||||
| JP8309313A | ||||
| JP2011255317A |
Attorney, Agent or Firm:
Axis International Patent Business Corporation