CA2443877C - Methode de production d'une solution de cobalt a faible teneur en manganese - Google Patents

Methode de production d'une solution de cobalt a faible teneur en manganese Download PDF

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Publication number
CA2443877C
CA2443877C CA2443877A CA2443877A CA2443877C CA 2443877 C CA2443877 C CA 2443877C CA 2443877 A CA2443877 A CA 2443877A CA 2443877 A CA2443877 A CA 2443877A CA 2443877 C CA2443877 C CA 2443877C
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CA
Canada
Prior art keywords
cobalt
manganese
stage
solution
cobalt solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2443877A
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English (en)
Other versions
CA2443877A1 (fr
Inventor
Minoru Kakimoto
Kazuyuki Takaishi
Isao Nishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Metal Mining Co Ltd
Original Assignee
Sumitomo Metal Mining Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Publication of CA2443877A1 publication Critical patent/CA2443877A1/fr
Application granted granted Critical
Publication of CA2443877C publication Critical patent/CA2443877C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G45/00—Compounds of manganese
    • C01G45/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/06—Refining
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B47/00—Obtaining manganese
    • C22B47/0018—Treating ocean floor nodules
    • C22B47/009—Treating ocean floor nodules refining, e.g. separation of metals obtained by the above methods
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0407—Leaching processes
    • C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
    • C22B23/0423—Halogenated acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B47/00—Obtaining manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Ocean & Marine Engineering (AREA)
  • Oceanography (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

La présente invention fournit un procédé permettant d'obtenir une solution de cobalt à faible concentration en manganèse, ce qui peut accroître le taux de récupération directe du cobalt, procédé par lequel on retire, d'une manière profitable d'un point de vue industriel, le manganèse présent comme impureté dans une solution de cobalt grâce à un procédé de neutralisation oxydative. Le procédé comporte deux étapes pour obtenir une solution de cobalt à faible concentration en manganèse. La première est la neutralisation oxydative de la solution de cobalt en conditions contrôlées, à un potentiel d'oxydoréduction de 900mV ou plus (pour une électrode Ag/AgCl) et à un pH de 3 ou moins, afin de retirer la plus grande partie du manganèse sous forme d'oxyde précipité dans lequel le rapport Co/Mn est de 0,3 à 1,0 en poids. La deuxième étape est la poursuite de la neutralisation oxydative de la solution de cobalt obtenue à l'étape 1 afin d'en retirer une petite quantité de manganèse résiduel sous forme d'oxyde précipité et, ainsi, de produire une solution de cobalt de pureté élevée dont la teneur en manganèse est d'au plus 0,05g/L, cela en maintenant la solution de cobalt au même potentiel d'oxydoréduction et au même pH.
CA2443877A 2002-10-03 2003-10-02 Methode de production d'une solution de cobalt a faible teneur en manganese Expired - Fee Related CA2443877C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002291489A JP4240982B2 (ja) 2002-10-03 2002-10-03 マンガン濃度の低いコバルト溶液の製造方法
JP2002-291489 2002-10-03

Publications (2)

Publication Number Publication Date
CA2443877A1 CA2443877A1 (fr) 2004-04-03
CA2443877C true CA2443877C (fr) 2010-09-14

Family

ID=29417291

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2443877A Expired - Fee Related CA2443877C (fr) 2002-10-03 2003-10-02 Methode de production d'une solution de cobalt a faible teneur en manganese

Country Status (4)

Country Link
JP (1) JP4240982B2 (fr)
AU (1) AU2003246344B2 (fr)
CA (1) CA2443877C (fr)
GB (1) GB2394469B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4801372B2 (ja) * 2005-05-10 2011-10-26 正同化学工業株式会社 硫酸コバルト溶液からマンガンを除去する方法
JP6221968B2 (ja) * 2014-07-01 2017-11-01 住友金属鉱山株式会社 塩化コバルト溶液の浄液方法
PL3592706T3 (pl) * 2017-03-08 2023-09-04 Umicore Prekursory materiałów katod do akumulatorów litowojonowych wielokrotnego ładowania
CN110983053A (zh) * 2019-12-26 2020-04-10 甘肃睿思科新材料有限公司 高锰钴比镍钴锰原料中镍钴与锰的分离方法
CN114196826A (zh) * 2020-09-17 2022-03-18 常宁市华兴冶化实业有限责任公司 一种从钴渣中回收生产七水合硫酸钴的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000056943A1 (fr) * 1999-03-24 2000-09-28 Lakefield Research Limited Procedes de purification de solutions de cobalt contenant du fer et du manganese avec un melange d'oxydation de so2 et d'oxygene

Also Published As

Publication number Publication date
GB0322971D0 (en) 2003-11-05
CA2443877A1 (fr) 2004-04-03
AU2003246344B2 (en) 2008-01-24
JP2004123469A (ja) 2004-04-22
JP4240982B2 (ja) 2009-03-18
GB2394469B (en) 2007-02-28
AU2003246344A1 (en) 2004-04-22
GB2394469A (en) 2004-04-28

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