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CA2577565A1 - Procede utilisant une reduction carbothermique en four unique avec regulation de la temperature a l'interieur du four - Google Patents

Procede utilisant une reduction carbothermique en four unique avec regulation de la temperature a l'interieur du four Download PDF

Info

Publication number
CA2577565A1
CA2577565A1 CA002577565A CA2577565A CA2577565A1 CA 2577565 A1 CA2577565 A1 CA 2577565A1 CA 002577565 A CA002577565 A CA 002577565A CA 2577565 A CA2577565 A CA 2577565A CA 2577565 A1 CA2577565 A1 CA 2577565A1
Authority
CA
Canada
Prior art keywords
slag
furnace
phase
temperature
reactor
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.)
Abandoned
Application number
CA002577565A
Other languages
English (en)
Inventor
Richard J. Fruehan
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.)
Elkem ASA
Alcoa Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2577565A1 publication Critical patent/CA2577565A1/fr
Abandoned legal-status Critical Current

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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/02—Light metals
    • 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
    • C22B21/02—Obtaining aluminium with reducing
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Glass Melting And Manufacturing (AREA)
CA002577565A 2004-09-01 2005-09-01 Procede utilisant une reduction carbothermique en four unique avec regulation de la temperature a l'interieur du four Abandoned CA2577565A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/932,846 2004-09-01
US10/932,846 US20060042413A1 (en) 2004-09-01 2004-09-01 Method using single furnace carbothermic reduction with temperature control within the furnace
PCT/US2005/031521 WO2006026771A2 (fr) 2004-09-01 2005-09-01 Procede utilisant une reduction carbothermique en four unique avec regulation de la temperature a l'interieur du four

Publications (1)

Publication Number Publication Date
CA2577565A1 true CA2577565A1 (fr) 2006-03-09

Family

ID=35941150

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002577565A Abandoned CA2577565A1 (fr) 2004-09-01 2005-09-01 Procede utilisant une reduction carbothermique en four unique avec regulation de la temperature a l'interieur du four

Country Status (11)

Country Link
US (1) US20060042413A1 (fr)
EP (1) EP1794333A2 (fr)
JP (1) JP2008511760A (fr)
CN (1) CN101023190A (fr)
AU (1) AU2005279732A1 (fr)
BR (1) BRPI0514819A (fr)
CA (1) CA2577565A1 (fr)
NO (1) NO20070674L (fr)
RU (1) RU2007111945A (fr)
WO (1) WO2006026771A2 (fr)
ZA (1) ZA200702572B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009502708A (ja) 2005-07-27 2009-01-29 サーミカル・アイピー・プロプリエタリー・リミテッド カーボサーミック法
US20080016984A1 (en) * 2006-07-20 2008-01-24 Alcoa Inc. Systems and methods for carbothermically producing aluminum
US7556667B2 (en) 2007-02-16 2009-07-07 Alcoa Inc. Low carbon aluminum production method using single furnace carbothermic reduction operated in batch mode
US7753988B2 (en) * 2007-07-09 2010-07-13 Alcoa Inc. Use of alumina-carbon agglomerates in the carbothermic production of aluminum
US7704443B2 (en) * 2007-12-04 2010-04-27 Alcoa, Inc. Carbothermic aluminum production apparatus, systems and methods
EP2288737A1 (fr) * 2008-05-09 2011-03-02 Thermical IP Pty Ltd. Procédés carbothermiques
US9068246B2 (en) * 2008-12-15 2015-06-30 Alcon Inc. Decarbonization process for carbothermically produced aluminum
KR101105437B1 (ko) * 2010-05-11 2012-01-17 (주)포스코켐텍 폐 마그카본 내화물의 재생방법
NO337267B1 (no) * 2014-02-10 2016-02-29 Elkem As Fremgangsmåte for fremstilling av aluminiumoksidpartikler

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974032A (en) * 1960-02-24 1961-03-07 Pechiney Reduction of alumina
US4033757A (en) * 1975-09-05 1977-07-05 Reynolds Metals Company Carbothermic reduction process
GB1590431A (en) * 1976-05-28 1981-06-03 Alcan Res & Dev Process for the production of aluminium
GB1565065A (en) * 1976-08-23 1980-04-16 Tetronics Res & Dev Co Ltd Carbothermal production of aluminium
US4216010A (en) * 1979-01-31 1980-08-05 Reynolds Metals Company Aluminum purification system
US4388107A (en) * 1979-01-31 1983-06-14 Reynolds Metals Company Minimum-energy process for carbothermic reduction of alumina
US4334917A (en) * 1980-04-16 1982-06-15 Reynolds Metals Company Carbothermic reduction furnace
DE2948640C2 (de) * 1979-12-04 1984-12-20 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren und Vorrichtung zur thermischen Gewinnung von Aluminium
US4409021A (en) * 1982-05-06 1983-10-11 Reynolds Metals Company Slag decarbonization with a phase inversion
US4533386A (en) * 1984-03-27 1985-08-06 Process Development Associates, Inc. Process for producing aluminum
DK1147236T3 (da) * 1999-01-08 2004-06-28 Alcoa Inc Carbotermisk aluminiumproduktion anvendende skrotaluminium som kölemiddel
US6440193B1 (en) * 2001-05-21 2002-08-27 Alcoa Inc. Method and reactor for production of aluminum by carbothermic reduction of alumina
US6530970B2 (en) * 2001-05-21 2003-03-11 Alcoa Inc. Method for recovering aluminum vapor and aluminum suboxide from off-gases during production of aluminum by carbothermic reduction of alumina
US6805723B2 (en) * 2003-03-06 2004-10-19 Alcoa Inc. Method and reactor for production of aluminum by carbothermic reduction of alumina

Also Published As

Publication number Publication date
US20060042413A1 (en) 2006-03-02
JP2008511760A (ja) 2008-04-17
CN101023190A (zh) 2007-08-22
AU2005279732A1 (en) 2006-03-09
WO2006026771A2 (fr) 2006-03-09
BRPI0514819A (pt) 2008-06-24
WO2006026771A3 (fr) 2006-12-14
ZA200702572B (en) 2008-09-25
EP1794333A2 (fr) 2007-06-13
NO20070674L (no) 2007-02-06
RU2007111945A (ru) 2008-10-10

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued