Title:
コバルト供給源から誘導される硫酸第一コバルト／ジチオン酸第一コバルト液の処理
Document Type and Number:
Japanese Patent JP7341598
Kind Code:
B2
Abstract:
A process for water removal and/or recycling of sodium sulphate and/or sodium dithionate containing liquors derived from processing a cobalt resource derived from components of lithium ion batteries comprising steps of deriving from the cobalt resource a solution containing cobalt sulphate and cobalt dithionate, precipitation of cobalt as cobaltous carbonate or cobaltous hydroxide followed by removal thereof from the liquor, crystallization of sodium sulphate and sodium dithionate and removal of the resulting crystals, followed by heating of the crystals to anhydrous sodium sulphate, sulphur dioxide and water and then separating the anhydrous sodium sulphate.
Inventors:
Chow, Norman
John, Joey Chan-Yen
Naku, Anka-Mihaela
Workentin, Douglas Dale
John, Joey Chan-Yen
Naku, Anka-Mihaela
Workentin, Douglas Dale
Application Number:
JP2021555449A
Publication Date:
September 11, 2023
Filing Date:
March 10, 2020
Export Citation:
Assignee:
Rochar Manganese, Incorporated
International Classes:
C22B7/00; C01G51/00; C22B3/44; C22B23/00; C22B26/12; C22B47/00; H01M10/54
Domestic Patent References:
| JP2014019909A | ||||
| JP2016037661A |
Foreign References:
| US20180155208 | ||||
| US20120207666 |
Attorney, Agent or Firm:
Osamu Yamamoto
Toru Miyamae
Junichi Matsuo
Toyoharu Matsuda
Toru Miyamae
Junichi Matsuo
Toyoharu Matsuda
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