Title:
リチウム濃縮方法及び、水酸化リチウムの製造方法
Document Type and Number:
Japanese Patent JP7158332
Kind Code:
B2
Abstract:
To provide a lithium concentration method that can effectively remove sodium by solvent extraction, and a method for producing lithium hydroxide.SOLUTION: A method for concentrating lithium by solvent extraction has: a scrubbing step for scrubbing a solvent that is used for lithium ion extraction and contains lithium ions and sodium ions, with a lithium solution; and a back extraction step of back extracting lithium ions from the solvent having undergone the scrubbing step.SELECTED DRAWING: None
Inventors:
Hiroiki Ariyoshi
Tomita Isao
Hiroshi Abe
Tomita Isao
Hiroshi Abe
Application Number:
JP2019069363A
Publication Date:
October 21, 2022
Filing Date:
March 29, 2019
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B26/12; C01D15/02; C22B1/02; C22B3/04; C22B3/06; C22B3/26; C22B3/38; C22B3/44; C22B7/00
Domestic Patent References:
| JP2012072464A | ||||
| JP6279883A | ||||
| JP2010229534A | ||||
| JP2012106874A | ||||
| JP2009193778A | ||||
| JP2019026916A |
Foreign References:
| WO2016052569A1 |
Attorney, Agent or Firm:
Axis International Patent Business Corporation