Title:
コバルト供給源から生じ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 JP6906060
Kind Code:
B2
Abstract:
A process for water removal and/or recycling of sodium sulfate and/or sodium dithionate containing liquors derived from processing cobalt resource material essentially free of lithium comprising the steps of precipitation of cobalt as cobaltous carbonate or cobaltous hydroxide followed by removal thereof from the liquor, crystallization of sodium sulfate and sodium dithionate and removal of the crystals, followed by heating of the crystals to anhydrous sodium sulfate, sulphur dioxide and water and then separating the anhydrous sodium sulfate.
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Inventors:
Chow, Norman
John, Joey Chan-Yen
Nak, Anka Mihaela
Workentin, Douglas Dale
John, Joey Chan-Yen
Nak, Anka Mihaela
Workentin, Douglas Dale
Application Number:
JP2019546764A
Publication Date:
July 21, 2021
Filing Date:
November 09, 2017
Export Citation:
Assignee:
Rochar Manganese, Incorporated
International Classes:
C01G51/06; C22B7/00; C22B21/00; C22B23/00; C22B47/00; H01M4/505; H01M4/525
Domestic Patent References:
| JP7207349A | ||||
| JP2000015216A | ||||
| JP11097076A | ||||
| JP2014162982A | ||||
| JP2013194315A | ||||
| JP2006027913A |
Foreign References:
| US20120207666 |
Attorney, Agent or Firm:
Shinjiro Ono
Osamu Yamamoto
Toru Miyamae
Motoharu Nakanishi
Toyoji Matsuda
Osamu Yamamoto
Toru Miyamae
Motoharu Nakanishi
Toyoji Matsuda