FI20020784A - Extraction of valuable nickel and cobalt fractions from flotation enrichment concentrates from sulfide ore using chloride-based oxidative pressure leaching in sulfuric acid - Google Patents

Extraction of valuable nickel and cobalt fractions from flotation enrichment concentrates from sulfide ore using chloride-based oxidative pressure leaching in sulfuric acid Download PDF

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Publication number
FI20020784A
FI20020784A FI20020784A FI20020784A FI20020784A FI 20020784 A FI20020784 A FI 20020784A FI 20020784 A FI20020784 A FI 20020784A FI 20020784 A FI20020784 A FI 20020784A FI 20020784 A FI20020784 A FI 20020784A
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FI
Finland
Prior art keywords
nickel
extraction
chloride
sulfuric acid
cobalt
Prior art date
Application number
FI20020784A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI123376B (en
Inventor
Derek G E Kerfoot
Eberhard Krause
Bruce John Love
Avinash Singhal
Original Assignee
Inco Ltd
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Publication of FI20020784A publication Critical patent/FI20020784A/en
Application granted granted Critical
Publication of FI123376B publication Critical patent/FI123376B/en

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    • 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
    • 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
    • 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
    • C22B23/043—Sulfurated 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

A hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate. The process involves forming a slurry of the sulfidic flotation concentrate in an acid solution, and subjecting the slurried flotation concentrate to a chlorine leach at atmospheric pressure followed by an oxidative pressure leach. After liquid-solids separation and purification of the concentrate resulting in the removal of copper and cobalt, the nickel-containing solution is directly treated by electrowinning to recover nickel cathode therefrom.
FI20020784A 2000-09-18 2002-04-23 Extraction of valuable nickel and cobalt fractions from flotation enrichment concentrates from sulfide ore using chloride-based oxidative pressure leaching in sulfuric acid FI123376B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66447500 2000-09-18
US09/664,475 US6428604B1 (en) 2000-09-18 2000-09-18 Hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate
CA0100227 2001-02-26
PCT/CA2001/000227 WO2002024966A1 (en) 2000-09-18 2001-02-26 Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid

Publications (2)

Publication Number Publication Date
FI20020784A true FI20020784A (en) 2002-04-23
FI123376B FI123376B (en) 2013-03-15

Family

ID=24666118

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20020784A FI123376B (en) 2000-09-18 2002-04-23 Extraction of valuable nickel and cobalt fractions from flotation enrichment concentrates from sulfide ore using chloride-based oxidative pressure leaching in sulfuric acid

Country Status (13)

Country Link
US (2) US6428604B1 (en)
EP (1) EP1325165B1 (en)
JP (1) JP3946633B2 (en)
CN (1) CN1210417C (en)
AT (1) ATE338833T1 (en)
AU (1) AU774519B2 (en)
BR (1) BR0107217A (en)
CA (1) CA2376883C (en)
DE (1) DE60122914T2 (en)
FI (1) FI123376B (en)
RU (1) RU2221881C1 (en)
WO (1) WO2002024966A1 (en)
ZA (1) ZA200202941B (en)

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Also Published As

Publication number Publication date
JP2004509232A (en) 2004-03-25
EP1325165B1 (en) 2006-09-06
CA2376883A1 (en) 2002-03-28
CN1210417C (en) 2005-07-13
DE60122914T2 (en) 2007-04-26
WO2002024966A1 (en) 2002-03-28
RU2221881C1 (en) 2004-01-20
ATE338833T1 (en) 2006-09-15
EP1325165A1 (en) 2003-07-09
RU2002113102A (en) 2004-01-27
AU774519B2 (en) 2004-07-01
US20030033906A1 (en) 2003-02-20
US6428604B1 (en) 2002-08-06
JP3946633B2 (en) 2007-07-18
BR0107217A (en) 2002-07-09
ZA200202941B (en) 2003-04-15
CN1392902A (en) 2003-01-22
AU3716901A (en) 2002-04-02
FI123376B (en) 2013-03-15
CA2376883C (en) 2002-12-03
DE60122914D1 (en) 2006-10-19
US6569224B2 (en) 2003-05-27

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