Title:
METHOD FOR RECYCLING NICKEL, COBALT AND MANGANESE FROM FEED LIQUID CONTAINING NICKEL, COBALT AND MANGANESE
Document Type and Number:
WIPO Patent Application WO/2022/048307
Kind Code:
A1
Abstract:
A method for recycling nickel, cobalt and manganese from a feed liquid containing nickel, cobalt and manganese, the method comprising: (1) subjecting the feed liquid to a first extraction to obtain an aqueous phase 1 and an organic phase 1; (2) subjecting the aqueous phase 1 to a second extraction to obtain an organic phase 2 and an aqueous phase 2 having a pH value of 5-7.5; and (3) successively subjecting the organic phase 2 to washing and reverse extraction to obtain a solution containing nickel, cobalt and manganese, wherein an extractant A used in the second extraction comprises a carboxylic acid extractant.
Inventors:
WANG XUE (CN)
Application Number:
PCT/CN2021/105654
Publication Date:
March 10, 2022
Filing Date:
July 12, 2021
Export Citation:
Assignee:
BOTREE CYCLING SCI &TECH CO LTD (CN)
International Classes:
C22B3/32
Domestic Patent References:
| WO2020061639A1 | 2020-04-02 |
Foreign References:
| CN111592459A | 2020-08-28 | |||
| CN111268750A | 2020-06-12 | |||
| US20020053260A1 | 2002-05-09 | |||
| CN106319228A | 2017-01-11 | |||
| CN103421951A | 2013-12-04 | |||
| CN110066925A | 2019-07-30 | |||
| CN105483382A | 2016-04-13 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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