LITHIUM SORBENT, PREPARATION METHOD FOR LITHIUM SORBENT, AND SALT LAKE LITHIUM EXTRACTION METHOD

Title:

LITHIUM SORBENT, PREPARATION METHOD FOR LITHIUM SORBENT, AND SALT LAKE LITHIUM EXTRACTION METHOD

Document Type and Number:

WIPO Patent Application WO/2023/124974

Kind Code:

A1

Abstract:

A lithium sorbent comprises a sorption material, a binder, and a wetting dispersant. The binder comprises at least one of a vinylidene fluoride-chlorotrifluoroethylene copolymer and a fluoroolefin-vinyl ether copolymer. The wetting dispersant comprises one or more of polyethylene glycol, sodium polyacrylate, polyvinyl alcohol, and a formaldehyde condensate. Further provided are a preparation method used to prepare the lithium sorbent and a salt lake lithium extraction method using the lithium sorbent to perform lithium extraction.

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Inventors:

WEI JIALIANG (CN)
LIN HONGYE (CN)
LIAN JUNLAN (CN)

Application Number:

PCT/CN2022/138705

Publication Date:

July 06, 2023

Filing Date:

December 13, 2022

Export Citation:

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Assignee:

BYD CO LTD (CN)

International Classes:

B01J20/04; B01J20/08; C02F1/28; C22B26/12

Domestic Patent References:

WO2011058841A1

2011-05-19

Foreign References:

CN110961070A	2020-04-07
CN106669636A	2017-05-17
CN112538575A	2021-03-23
CN108722341A	2018-11-02
CN108722372A	2018-11-02

Attorney, Agent or Firm:

SHENZHEN HUISHI PATENT AGENT CO., LTD. (CN)

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