Title:
RECOVERY METHOD FOR EXTRACTANT IN AQUEOUS SOLUTION AND SEPARATION AND RECOVERY METHOD FOR METAL FROM METAL AQUEOUS SOLUTION
Document Type and Number:
WIPO Patent Application WO/2023/157377
Kind Code:
A1
Abstract:
A method for recovering a neodecanoic acid or phosphonic acid ester-based extractant from an aqueous solution containing the neodecanoic acid or phosphonic acid ester-based extractant, wherein the equilibrium pH when recovering the neodecanoic acid or phosphonic acid ester-based extractant is set to be no more than 5.5.
Inventors:
ARAKAWA JUNICHI (JP)
Application Number:
PCT/JP2022/039179
Publication Date:
August 24, 2023
Filing Date:
October 20, 2022
Export Citation:
Assignee:
JX METALS CORP (JP)
International Classes:
B01D11/04; C22B3/26; C22B3/38; H01M10/54
Domestic Patent References:
| WO2021215520A1 | 2021-10-28 |
Foreign References:
| JP2021172856A | 2021-11-01 | |||
| JP2020105599A | 2020-07-09 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
Download PDF: