SI1554416T1 - Aluminium electrowinning cells with metal-based anodes - Google Patents
Aluminium electrowinning cells with metal-based anodesInfo
- Publication number
- SI1554416T1 SI1554416T1 SI200332133T SI200332133T SI1554416T1 SI 1554416 T1 SI1554416 T1 SI 1554416T1 SI 200332133 T SI200332133 T SI 200332133T SI 200332133 T SI200332133 T SI 200332133T SI 1554416 T1 SI1554416 T1 SI 1554416T1
- Authority
- SI
- Slovenia
- Prior art keywords
- weight
- anode
- aluminium
- fluoride
- nickel
- Prior art date
Links
- 239000004411 aluminium Substances 0.000 title abstract 3
- 229910052782 aluminium Inorganic materials 0.000 title abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 3
- 238000005363 electrowinning Methods 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 229910052759 nickel Inorganic materials 0.000 abstract 3
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000010941 cobalt Substances 0.000 abstract 2
- 229910017052 cobalt Inorganic materials 0.000 abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 2
- 239000003792 electrolyte Substances 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 abstract 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- XVVDIUTUQBXOGG-UHFFFAOYSA-N [Ce].FOF Chemical compound [Ce].FOF XVVDIUTUQBXOGG-UHFFFAOYSA-N 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 1
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 229910052595 hematite Inorganic materials 0.000 abstract 1
- 239000011019 hematite Substances 0.000 abstract 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 239000010955 niobium Substances 0.000 abstract 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 1
- 235000003270 potassium fluoride Nutrition 0.000 abstract 1
- 239000011698 potassium fluoride Substances 0.000 abstract 1
- 235000013024 sodium fluoride Nutrition 0.000 abstract 1
- 239000011775 sodium fluoride Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
- C25C7/025—Electrodes; Connections thereof used in cells for the electrolysis of melts
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
- C25C3/125—Anodes based on carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
A cell for the electrowinning of aluminium comprises a metal-based anode (10) containing at least one of nickel, cobalt and iron, for example an anode made from an alloy consisting of 50 to 60 weight % in total of nickel and/or cobalt; 25 to 40 weight % iron; 6 to 12 weight % copper; 0.5 to 2 weight % aluminium and/or niobium; and 0.5 to 1.5 weight % in total of further constituents. The anode (10) may have an applied hematite-based coating and optionally a cerium oxyfluoride-based outermost coating. The cell contains a fluoride-containing molten electrolyte (5) at a temperature below 940° C., in which the anode is immersed and which consists of: 5 to 14 weight % dissolved alumina; 35 to 45 weight % aluminium fluoride; 30 to 45 weight % sodium fluoride; 5 to 20 weight % potassium fluoride; 0 to 5 weight % calcium fluoride; and 0 to 5 weight % in total of one or more further constituents. A nickel-containing anode stem (14b) can be used to suspend the anode (10) in the electrolyte facing a cathode (21,21A,25) that has an aluminium-wettable surface (20), in particular a drained horizontal or inclined surface.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IB0204059 | 2002-10-18 | ||
EP03751166A EP1554416B1 (en) | 2002-10-18 | 2003-10-17 | Aluminium electrowinning cells with metal-based anodes |
PCT/IB2003/004649 WO2004035871A1 (en) | 2002-10-18 | 2003-10-17 | Aluminium electrowinning cells with metal-based anodes |
Publications (1)
Publication Number | Publication Date |
---|---|
SI1554416T1 true SI1554416T1 (en) | 2012-05-31 |
Family
ID=32104592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SI200332133T SI1554416T1 (en) | 2002-10-18 | 2003-10-17 | Aluminium electrowinning cells with metal-based anodes |
Country Status (12)
Country | Link |
---|---|
US (1) | US20110031129A1 (en) |
EP (1) | EP1554416B1 (en) |
CN (1) | CN1735717B (en) |
AT (1) | ATE543927T1 (en) |
AU (1) | AU2003269385B2 (en) |
CA (1) | CA2498622C (en) |
ES (1) | ES2381927T3 (en) |
NO (1) | NO20052377L (en) |
NZ (1) | NZ538777A (en) |
RU (1) | RU2318924C2 (en) |
SI (1) | SI1554416T1 (en) |
WO (1) | WO2004035871A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ540408A (en) * | 2003-02-20 | 2007-04-27 | Moltech Invent Sa | Aluminium electrowinning cells with metal-based anodes and a fluoride-containing molten electrolyte |
EP1763595A2 (en) * | 2004-03-18 | 2007-03-21 | MOLTECH Invent S.A. | Aluminium electrowinning cells with non-carbon anodes |
CN100465350C (en) * | 2005-06-24 | 2009-03-04 | 曹大力 | Method of preparing aluminium-iron base alloy in electrolytic tank using iron and its alloy as anode |
WO2010026131A2 (en) * | 2008-09-08 | 2010-03-11 | Moltech Invent S.A. | Metallic oxygen evolving anode operating at high current density for aluminium reduction cells |
CN101586250B (en) * | 2009-06-10 | 2010-12-29 | 中南大学 | Composite coating, preparation method and application thereof |
RU2457286C1 (en) * | 2011-03-02 | 2012-07-27 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Electrolysis method of molten salts with oxygen-containing additives using inert anode |
CN103484891B (en) * | 2012-06-11 | 2016-06-15 | 内蒙古联合工业有限公司 | A kind of electrolgtic aluminium electrolyzer and use the electrolysis process of this electrolyzer |
KR101801453B1 (en) | 2012-06-11 | 2017-11-24 | 이너 몽골리아 유나이티드 인더스트리얼 씨오,. 엘티디. | Electrolyte used for aluminum electrolysis and electrolysis process using the electrolyte |
CN103014769A (en) * | 2012-11-26 | 2013-04-03 | 中国铝业股份有限公司 | Alloy inert anode for aluminium electrolysis and preparation method thereof |
CA2917342C (en) * | 2013-07-09 | 2018-05-29 | Obshchestvo S Ogranichennoy Otvetstvennost'yu "Obedinennaya Kompaniya Rusal Inzhenerno-Tekhnologicheskiy Tsentr" | Electrolyte for obtaining melts using an aluminum electrolyzer |
US10711359B2 (en) * | 2013-08-19 | 2020-07-14 | United Company RUSAL Engineering and Technology Centre LLC | Iron-based anode for obtaining aluminum by the electrolysis of melts |
CN105132952B (en) * | 2015-08-26 | 2017-09-29 | 贵州理工学院 | It is a kind of to reduce the electrolyte system of perfluocarbon discharge capacity |
KR102562722B1 (en) * | 2016-02-01 | 2023-08-03 | 재단법인 포항산업과학연구원 | Anode for electrolysis, electrolytic cell comprising the same, and electrolysis process using the electrolytic cell |
RU2698162C2 (en) * | 2017-03-01 | 2019-08-22 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Perforated metal inert anode for aluminium production by molten electrolysis |
RU2686408C1 (en) * | 2018-06-20 | 2019-04-25 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Electrolytic production method of aluminum |
CN114717610B (en) * | 2022-05-16 | 2023-08-08 | 中国铝业股份有限公司 | Method for reducing potassium content in aluminum electrolysis fluorine-carrying aluminum oxide |
WO2024030044A1 (en) * | 2022-08-02 | 2024-02-08 | Владислав Владимирович ФУРСЕНКО | Method for producing aluminium by electrolysis of a solution of alumina in cryolite |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US400766A (en) * | 1889-04-02 | Process of reducing aluminium by electrolysis | ||
US400664A (en) * | 1886-07-09 | 1889-04-02 | M Hall Charles | Process of reducing aluminium from its fluoride salts by electrolysis |
SU554318A1 (en) * | 1974-03-19 | 1977-04-15 | Институт общей и неорганической химии АН Украинской ССР | Electrolyte to obtain aluminum-silicon alloys |
US5006209A (en) * | 1990-02-13 | 1991-04-09 | Electrochemical Technology Corp. | Electrolytic reduction of alumina |
US5725744A (en) * | 1992-03-24 | 1998-03-10 | Moltech Invent S.A. | Cell for the electrolysis of alumina at low temperatures |
US5284562A (en) * | 1992-04-17 | 1994-02-08 | Electrochemical Technology Corp. | Non-consumable anode and lining for aluminum electrolytic reduction cell |
US6258247B1 (en) * | 1998-02-11 | 2001-07-10 | Northwest Aluminum Technology | Bath for electrolytic reduction of alumina and method therefor |
US6497807B1 (en) * | 1998-02-11 | 2002-12-24 | Northwest Aluminum Technologies | Electrolyte treatment for aluminum reduction |
US6692631B2 (en) * | 2002-02-15 | 2004-02-17 | Northwest Aluminum | Carbon containing Cu-Ni-Fe anodes for electrolysis of alumina |
US6800191B2 (en) * | 2002-03-15 | 2004-10-05 | Northwest Aluminum Technologies | Electrolytic cell for producing aluminum employing planar anodes |
EP1763595A2 (en) * | 2004-03-18 | 2007-03-21 | MOLTECH Invent S.A. | Aluminium electrowinning cells with non-carbon anodes |
-
2003
- 2003-10-17 ES ES03751166T patent/ES2381927T3/en not_active Expired - Lifetime
- 2003-10-17 CN CN2003801070764A patent/CN1735717B/en not_active Expired - Lifetime
- 2003-10-17 AU AU2003269385A patent/AU2003269385B2/en not_active Ceased
- 2003-10-17 RU RU2005115103/02A patent/RU2318924C2/en not_active IP Right Cessation
- 2003-10-17 WO PCT/IB2003/004649 patent/WO2004035871A1/en active Search and Examination
- 2003-10-17 CA CA2498622A patent/CA2498622C/en not_active Expired - Fee Related
- 2003-10-17 AT AT03751166T patent/ATE543927T1/en active
- 2003-10-17 EP EP03751166A patent/EP1554416B1/en not_active Expired - Lifetime
- 2003-10-17 NZ NZ538777A patent/NZ538777A/en not_active IP Right Cessation
- 2003-10-17 SI SI200332133T patent/SI1554416T1/en unknown
- 2003-10-17 US US10/530,884 patent/US20110031129A1/en not_active Abandoned
-
2005
- 2005-05-13 NO NO20052377A patent/NO20052377L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2004035871A1 (en) | 2004-04-29 |
NO20052377L (en) | 2005-05-13 |
AU2003269385A1 (en) | 2004-05-04 |
CA2498622C (en) | 2011-09-20 |
RU2318924C2 (en) | 2008-03-10 |
ATE543927T1 (en) | 2012-02-15 |
CA2498622A1 (en) | 2004-04-29 |
EP1554416A1 (en) | 2005-07-20 |
AU2003269385B2 (en) | 2009-06-04 |
CN1735717B (en) | 2011-12-28 |
EP1554416B1 (en) | 2012-02-01 |
RU2005115103A (en) | 2005-10-27 |
US20110031129A1 (en) | 2011-02-10 |
NZ538777A (en) | 2007-02-23 |
CN1735717A (en) | 2006-02-15 |
ES2381927T3 (en) | 2012-06-01 |
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