ZA200702572B - Method using single furnace carbothermic reduction with temperature control with the furnace - Google Patents

Method using single furnace carbothermic reduction with temperature control with the furnace

Info

Publication number
ZA200702572B
ZA200702572B ZA200702572A ZA200702572A ZA200702572B ZA 200702572 B ZA200702572 B ZA 200702572B ZA 200702572 A ZA200702572 A ZA 200702572A ZA 200702572 A ZA200702572 A ZA 200702572A ZA 200702572 B ZA200702572 B ZA 200702572B
Authority
ZA
South Africa
Prior art keywords
furnace
temperature control
carbothermic reduction
single furnace
reduction
Prior art date
Application number
ZA200702572A
Other languages
English (en)
Inventor
Richard J Fruehan
Original Assignee
Alcoa Inc
Elkem As
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 Alcoa Inc, Elkem As filed Critical Alcoa Inc
Publication of ZA200702572B publication Critical patent/ZA200702572B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B4/00Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/02Light metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00Obtaining aluminium
    • C22B21/02Obtaining aluminium with reducing
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/10Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (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)
ZA200702572A 2004-09-01 2007-03-28 Method using single furnace carbothermic reduction with temperature control with the furnace ZA200702572B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/932,846 US20060042413A1 (en) 2004-09-01 2004-09-01 Method using single furnace carbothermic reduction with temperature control within the furnace

Publications (1)

Publication Number Publication Date
ZA200702572B true ZA200702572B (en) 2008-09-25

Family

ID=35941150

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200702572A ZA200702572B (en) 2004-09-01 2007-03-28 Method using single furnace carbothermic reduction with temperature control with the furnace

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
ATE517844T1 (de) 2005-07-27 2011-08-15 Thermical Ip Pty Ltd Carbothermische verfahren
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
CN102066591B (zh) * 2008-05-09 2014-12-17 瑟米克尔Ip公司 碳热还原法
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
US4334917A (en) * 1980-04-16 1982-06-15 Reynolds Metals Company Carbothermic reduction furnace
US4388107A (en) * 1979-01-31 1983-06-14 Reynolds Metals Company Minimum-energy process for carbothermic reduction of alumina
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
PT1147236E (pt) * 1999-01-08 2004-10-29 Alcoa Inc Producao de aluminio carbotermico usando refugo de aluminio como refrigerante
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
CA2577565A1 (fr) 2006-03-09
RU2007111945A (ru) 2008-10-10
WO2006026771A3 (fr) 2006-12-14
EP1794333A2 (fr) 2007-06-13
BRPI0514819A (pt) 2008-06-24
US20060042413A1 (en) 2006-03-02
WO2006026771A2 (fr) 2006-03-09
JP2008511760A (ja) 2008-04-17
NO20070674L (no) 2007-02-06
AU2005279732A1 (en) 2006-03-09
CN101023190A (zh) 2007-08-22

Similar Documents

Publication Publication Date Title
ZA200702572B (en) Method using single furnace carbothermic reduction with temperature control with the furnace
IL183861A0 (en) Temperature compensanon
EP1966667A4 (fr) Procedes et dispositifs de commande de la temperature sans capteur de temperaure
EP1726665A4 (fr) Four de traitement thermique a double enceinte
SI1619443T1 (sl) Kuhalna naprava z odzračevanjem, ki ga je moč krmiliti
GB0428297D0 (en) Control of heating cable
GB2411462B (en) Heating devices
EP1716376A4 (fr) Four a induction a creuset froid
GB0506987D0 (en) Temperature control apparatus
ZA200702959B (en) Metallurgical furnace
PL1754010T3 (pl) Piec piętrowy
EP1954638A4 (fr) Four tunnel
GB0411720D0 (en) Temperature sensor assembly
SI1954998T1 (sl) Indukcijska peč
GB0406700D0 (en) Heating system
SI1533568T1 (sl) Visokotemperaturna peč
EP1852765A4 (fr) Methode de commande de temperature et controleur de temperature
EP1785686A4 (fr) Installation de fourneau et sa méthode de séchage
ZA200702958B (en) Metallurgical furnace
AU2003275530A1 (en) Heating furnace
GB0419989D0 (en) Furnace
GB0428358D0 (en) Solar furnace
HU2905U (en) Continous heating burner with pellet
PL363127A1 (en) Central heating furnace
GB0401328D0 (en) Heating system