Title:
ルテニウムの回収方法
Document Type and Number:
Japanese Patent JP5843065
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a recovery method of ruthenium, which secures a high recovery rate of ruthenium even when using a large reaction tank, and is suitable for practical use.SOLUTION: The recovery method of ruthenium includes the steps of: distilling ruthenium tetroxide from a platinum group metal-containing solution including ruthenium; and absorbing the ruthenium tetroxide in hydrochloric acid to recover a ruthenium chloride acid solution. The ruthenium tetroxide is distilled by dripping the platinum group metal-containing solution into a heated oxidant aqueous solution.
Inventors:
Daigo Ikuta
Satoru Okada
Takasawa Hiroshi
Satoru Okada
Takasawa Hiroshi
Application Number:
JP2012014606A
Publication Date:
January 13, 2016
Filing Date:
January 26, 2012
Export Citation:
Assignee:
Mitsubishi Materials Corporation
International Classes:
C22B11/00; B01D3/34; B01D53/14; C01G55/00; C22B7/00; C22B9/02; C22B11/06
Domestic Patent References:
| JP2010524672A |
Attorney, Agent or Firm:
Hiroshi Chiba