Title:
METHOD FOR SEPARATING COPPER AND MANGANESE FROM MIXED SOLUTION CONTAINING COPPER, MANGANESE, CALCIUM AND ZINC
Document Type and Number:
WIPO Patent Application WO/2022/048308
Kind Code:
A1
Abstract:
The present application relates to a method for separating copper and manganese from a mixed solution containing copper, manganese, calcium and zinc, the method comprising: (1) subjecting the mixed solution containing copper, manganese, calcium and zinc to first extraction to obtain a first organic phase and a first aqueous phase, wherein an extractant A used in the first extraction comprises one or a combination of at least two of carboxylic acid extractants; (2) successively subjecting the first organic phase to washing and reverse extraction to obtain a copper-containing solution; and (3) subjecting the first aqueous phase to second extraction to obtain a second organic phase and a second aqueous phase, and successively subjecting the second organic phase to washing and reverse extraction to obtain a manganese-rich solution.
Inventors:
WANG XUE (CN)
Application Number:
PCT/CN2021/105655
Publication Date:
March 10, 2022
Filing Date:
July 12, 2021
Export Citation:
Assignee:
BOTREE CYCLING SCI & TECH CO LTD (CN)
International Classes:
C22B3/32; C22B7/00; C22B15/00; C22B47/00
Domestic Patent References:
| WO2006029439A1 | 2006-03-23 |
Foreign References:
| CN112575193A | 2021-03-30 | |||
| CN112281001A | 2021-01-29 | |||
| CN112320860A | 2021-02-05 | |||
| CN112538569A | 2021-03-23 | |||
| CN106834680A | 2017-06-13 | |||
| CN111592459A | 2020-08-28 | |||
| CN106319228A | 2017-01-11 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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