CA2863755C - Methods for preparing hematite - Google Patents

Methods for preparing hematite Download PDF

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Publication number
CA2863755C
CA2863755C CA2863755A CA2863755A CA2863755C CA 2863755 C CA2863755 C CA 2863755C CA 2863755 A CA2863755 A CA 2863755A CA 2863755 A CA2863755 A CA 2863755A CA 2863755 C CA2863755 C CA 2863755C
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CA
Canada
Prior art keywords
hematite
aqueous composition
basic aqueous
leachate
iron
Prior art date
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Active
Application number
CA2863755A
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English (en)
French (fr)
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CA2863755A1 (en
Inventor
Richard Boudreault
Joel Fournier
Laury GAUTHIER
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.)
Aem Technologies Inc
Original Assignee
Orbite Technologies Inc
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Filing date
Publication date
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Publication of CA2863755A1 publication Critical patent/CA2863755A1/en
Application granted granted Critical
Publication of CA2863755C publication Critical patent/CA2863755C/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide [Fe2O3]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • 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
    • C22B21/00—Obtaining aluminium
    • C22B21/0015—Obtaining aluminium by wet 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
    • 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
    • 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
    • C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compounds Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CA2863755A 2011-06-03 2012-06-04 Methods for preparing hematite Active CA2863755C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161493018P 2011-06-03 2011-06-03
US61/493,018 2011-06-03
CA2834356A CA2834356C (en) 2011-06-03 2012-06-04 Methods for preparing hematite

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2834356A Division CA2834356C (en) 2011-06-03 2012-06-04 Methods for preparing hematite

Publications (2)

Publication Number Publication Date
CA2863755A1 CA2863755A1 (en) 2012-12-06
CA2863755C true CA2863755C (en) 2016-04-26

Family

ID=47258226

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2863755A Active CA2863755C (en) 2011-06-03 2012-06-04 Methods for preparing hematite
CA2834356A Active CA2834356C (en) 2011-06-03 2012-06-04 Methods for preparing hematite

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2834356A Active CA2834356C (en) 2011-06-03 2012-06-04 Methods for preparing hematite

Country Status (9)

Country Link
US (2) US9150428B2 (OSRAM)
EP (1) EP2714594A4 (OSRAM)
JP (1) JP2014519468A (OSRAM)
CN (1) CN103842296B (OSRAM)
AU (1) AU2012262586B2 (OSRAM)
BR (1) BR112013030819A2 (OSRAM)
CA (2) CA2863755C (OSRAM)
RU (1) RU2013157943A (OSRAM)
WO (1) WO2012162817A1 (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9260767B2 (en) 2011-03-18 2016-02-16 Orbite Technologies Inc. Processes for recovering rare earth elements from aluminum-bearing materials
EP2705169A4 (en) 2011-05-04 2015-04-15 Orbite Aluminae Inc METHOD FOR RECOVERING RARE ELEMENTS FROM DIFFERENT OTHERS
BR112014006275A2 (pt) 2011-09-16 2017-04-11 Orbite Aluminae Inc processos de preparação de alumina e de vários outros produtos
BR112014016732A8 (pt) 2012-01-10 2017-07-04 Orbite Aluminae Inc processos para tratar lama vermelha
US9181603B2 (en) 2012-03-29 2015-11-10 Orbite Technologies Inc. Processes for treating fly ashes
CA2878744C (en) 2012-07-12 2020-09-15 Orbite Aluminae Inc. Processes for preparing aluminum chloride and various other products by hcl leaching
JP2015535886A (ja) 2012-09-26 2015-12-17 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． 種々の材料のＨＣｌ浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス
JP2016504251A (ja) 2012-11-14 2016-02-12 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． アルミニウムイオンの精製方法
CN104450790B (zh) * 2014-12-22 2017-07-04 中国科学院新疆理化技术研究所 一种制备p‑铁素体修饰n‑赤铁矿异质结构的生物方法
CN107233884B (zh) * 2017-06-05 2020-06-30 云南驰宏锌锗股份有限公司 一种用于催化三价铁水解沉淀的铁磁性催化剂及其制备方法和应用
EP4594541A2 (en) * 2022-09-26 2025-08-06 Electrasteel, Inc. Iron feedstock conversion system with improved efficiency

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