AU2012386621B2 - Method for producing alumina - Google Patents

Method for producing alumina Download PDF

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Publication number
AU2012386621B2
AU2012386621B2 AU2012386621A AU2012386621A AU2012386621B2 AU 2012386621 B2 AU2012386621 B2 AU 2012386621B2 AU 2012386621 A AU2012386621 A AU 2012386621A AU 2012386621 A AU2012386621 A AU 2012386621A AU 2012386621 B2 AU2012386621 B2 AU 2012386621B2
Authority
AU
Australia
Prior art keywords
alumina
aluminium
stage
chloride hexahydrate
containing raw
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.)
Ceased
Application number
AU2012386621A
Other languages
English (en)
Other versions
AU2012386621A1 (en
Inventor
Andrey Vladimirovich PANOV
Aleksandr Sergeevich SENYUTA
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.)
Rusal Engineering and Technological Center LLC
Original Assignee
Rusal Engineering and Technological Center LLC
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 Rusal Engineering and Technological Center LLC filed Critical Rusal Engineering and Technological Center LLC
Publication of AU2012386621A1 publication Critical patent/AU2012386621A1/en
Application granted granted Critical
Publication of AU2012386621B2 publication Critical patent/AU2012386621B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C22B21/00—Obtaining aluminium
    • C22B21/0015—Obtaining aluminium by wet processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/306—Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/56—Chlorides
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
AU2012386621A 2012-08-01 2012-08-01 Method for producing alumina Ceased AU2012386621B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2012/000631 WO2014021730A1 (ru) 2012-08-01 2012-08-01 Способ получения глинозема

Publications (2)

Publication Number Publication Date
AU2012386621A1 AU2012386621A1 (en) 2015-01-29
AU2012386621B2 true AU2012386621B2 (en) 2017-02-02

Family

ID=50028298

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2012386621A Ceased AU2012386621B2 (en) 2012-08-01 2012-08-01 Method for producing alumina

Country Status (7)

Country Link
US (1) US9631255B2 (enExample)
CN (1) CN104507868B (enExample)
AU (1) AU2012386621B2 (enExample)
CA (1) CA2877854C (enExample)
IN (1) IN2015DN00661A (enExample)
RU (1) RU2564360C2 (enExample)
WO (1) WO2014021730A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015176166A1 (en) * 2014-05-21 2015-11-26 Orbite Technologies Inc. Processes for decomposing aluminum chloride into alumina
RU2705071C1 (ru) * 2018-11-07 2019-11-01 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Способ получения металлургического глинозема кислотно-щелочным способом
US11746021B2 (en) 2019-04-18 2023-09-05 Nextchem, Llc High purity aluminum oxide via electrodialysis
EP3980379B1 (en) * 2019-06-07 2023-08-02 Metso Outotec Finland Oy Process and plant for thermal decomposition of aluminium chloride hydrate into aluminium oxide
CN113697840B (zh) * 2020-05-21 2023-08-15 江西理工大学 一种利用亚临界/超临界蒸汽热解法制备稀土氧化物的方法
CN113800551A (zh) * 2021-10-27 2021-12-17 福建省长汀金龙稀土有限公司 一种利用稀土氯化物蒸汽焙解制备稀土氧化物粉的方法
CN113860349A (zh) * 2021-10-27 2021-12-31 福建省长汀金龙稀土有限公司 一种短流程绿色化制备稀土氧化物粉的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094081A2 (en) * 1982-05-07 1983-11-16 THE UNITED STATES OF AMERICA as represented by the Secretary United States Department of Commerce Thermal decomposition of aluminum chloride hexahydrate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790704A (fr) * 1971-10-28 1973-02-15 Degussa Procede pour la fabrication d'oxydes finement
DE2524541C2 (de) * 1975-06-03 1986-08-21 Aluminium Pechiney, Lyon Verfahren zur thermischen Spaltung von Aluminiumchloridhydrat
DE2636855C2 (de) * 1976-08-16 1986-08-21 Aluminium Pechiney, Lyon Verfahren zur thermischen Spaltung von Aluminiumchloridhydrat
US4158042A (en) 1977-10-07 1979-06-12 Alcan Research And Development Limited Recovery of alumina from siliceous minerals
FR2518986B1 (fr) 1981-12-30 1985-09-06 Criceram Procede de preparation d'alumines de haute purete a partir de solutions impures de chlorure d'aluminium
SU1258815A1 (ru) 1985-05-22 1986-09-23 Казахский Ордена Трудового Красного Знамени Политехнический Институт Им.В.И.Ленина Способ получени глинозема
CN1712355A (zh) * 2004-06-15 2005-12-28 住友化学株式会社 用于生产α－氧化铝粉末的方法
CN101234774B (zh) * 2008-03-04 2010-04-21 华东理工大学 一种由煤系高岭岩或煤矸石制备氧化铝的方法
CN101838000A (zh) * 2010-04-27 2010-09-22 中国神华能源股份有限公司 一种用含铁氯化铝溶液生产冶金级氧化铝的方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094081A2 (en) * 1982-05-07 1983-11-16 THE UNITED STATES OF AMERICA as represented by the Secretary United States Department of Commerce Thermal decomposition of aluminum chloride hexahydrate

Also Published As

Publication number Publication date
US9631255B2 (en) 2017-04-25
CN104507868A (zh) 2015-04-08
WO2014021730A1 (ru) 2014-02-06
CA2877854C (en) 2016-10-25
RU2564360C2 (ru) 2015-09-27
RU2013151917A (ru) 2015-05-27
CA2877854A1 (en) 2014-02-06
US20150252447A1 (en) 2015-09-10
CN104507868B (zh) 2018-02-09
IN2015DN00661A (enExample) 2015-06-26
AU2012386621A1 (en) 2015-01-29

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MK14 Patent ceased section 143(a) (annual fees not paid) or expired