Title:
METHOD FOR SEPARATING AND RECOVERING METAL IONS, AND ACIDIC METAL EXTRACTANT
Document Type and Number:
WIPO Patent Application WO/2024/058215
Kind Code:
A1
Abstract:
The present invention provides: a method for separating and recovering metal ions, wherein an aqueous phase that contains two or more kinds of metal ions in different groups, the metal ions being selected from among those of the fourth to sixth rows in group 9 and group 10 of the periodic table, is mixed with an oil phase that contains an acidic metal extractant which has two or more coordinating functional groups that are selected from among a carboxy group, a phosphoric acid group, a phosphonic acid group, a sulfonic acid group and a sulfinic acid group, thereby extracting and separating the two or more kinds of metal ions in different groups; and the acidic metal extractant.
Inventors:
KUSHIDA YO (JP)
MOCHIZUKI HIROAKI (JP)
MOCHIZUKI HIROAKI (JP)
Application Number:
PCT/JP2023/033378
Publication Date:
March 21, 2024
Filing Date:
September 13, 2023
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C22B3/38; B01D11/04; C07F9/40; C22B3/32; C22B3/34; C22B11/00; C22B23/00
Foreign References:
| JPS63183135A | 1988-07-28 | |||
| JPS5929697A | 1984-02-16 |
Attorney, Agent or Firm:
IIDA & PARTNERS et al. (JP)
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