SK286563B6 - Pece na elektrolytické získavanie hliníka s uvoľňovaním kyslíka na anódach, spôsob výroby hliníka abezuhlíková anóda - Google Patents
Pece na elektrolytické získavanie hliníka s uvoľňovaním kyslíka na anódach, spôsob výroby hliníka abezuhlíková anóda Download PDFInfo
- Publication number
- SK286563B6 SK286563B6 SK958-2001A SK9582001A SK286563B6 SK 286563 B6 SK286563 B6 SK 286563B6 SK 9582001 A SK9582001 A SK 9582001A SK 286563 B6 SK286563 B6 SK 286563B6
- Authority
- SK
- Slovakia
- Prior art keywords
- anode
- members
- electrolyte
- furnace
- aluminum
- Prior art date
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 69
- 239000004411 aluminium Substances 0.000 title abstract 2
- 238000005363 electrowinning Methods 0.000 title abstract 2
- 239000003792 electrolyte Substances 0.000 claims abstract description 132
- 239000001301 oxygen Substances 0.000 claims abstract description 45
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 45
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 35
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 22
- 238000011084 recovery Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000004090 dissolution Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 6
- 238000011109 contamination Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 48
- 229910052742 iron Inorganic materials 0.000 description 24
- 235000013980 iron oxide Nutrition 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 238000009826 distribution Methods 0.000 description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000010405 anode material Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 239000011262 electrochemically active material Substances 0.000 description 5
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 5
- -1 sodium aluminum fluoride Chemical compound 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 239000011787 zinc oxide Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- XVVDIUTUQBXOGG-UHFFFAOYSA-N [Ce].FOF Chemical compound [Ce].FOF XVVDIUTUQBXOGG-UHFFFAOYSA-N 0.000 description 1
- IYOHHZVNHNCZNL-UHFFFAOYSA-N [Fe].FOF Chemical compound [Fe].FOF IYOHHZVNHNCZNL-UHFFFAOYSA-N 0.000 description 1
- WZECUPJJEIXUKY-UHFFFAOYSA-N [O-2].[O-2].[O-2].[U+6] Chemical class [O-2].[O-2].[O-2].[U+6] WZECUPJJEIXUKY-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001785 cerium compounds Chemical class 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 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 description 1
- SHXXPRJOPFJRHA-UHFFFAOYSA-K iron(iii) fluoride Chemical compound F[Fe](F)F SHXXPRJOPFJRHA-UHFFFAOYSA-K 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 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
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)
- Hybrid Cells (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IBPCT/IB99/00018 | 1999-01-08 | ||
| PCT/IB2000/000027 WO2000040782A1 (fr) | 1999-01-08 | 2000-01-10 | Cellules d'extraction electrolytique de l'aluminium pourvues d'anodes a emission d'oxygene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK9582001A3 SK9582001A3 (en) | 2002-02-05 |
| SK286563B6 true SK286563B6 (sk) | 2009-01-07 |
Family
ID=11004812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK958-2001A SK286563B6 (sk) | 1999-01-08 | 2000-01-10 | Pece na elektrolytické získavanie hliníka s uvoľňovaním kyslíka na anódach, spôsob výroby hliníka abezuhlíková anóda |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6540887B2 (fr) |
| EP (2) | EP1416067A3 (fr) |
| AT (1) | ATE263259T1 (fr) |
| AU (1) | AU767865B2 (fr) |
| CA (1) | CA2357717C (fr) |
| DE (1) | DE60009455T2 (fr) |
| ES (1) | ES2215603T3 (fr) |
| NO (1) | NO332628B1 (fr) |
| RU (1) | RU2242539C2 (fr) |
| SK (1) | SK286563B6 (fr) |
| WO (1) | WO2000040782A1 (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1185724B1 (fr) * | 1999-04-16 | 2003-07-02 | MOLTECH Invent S.A. | Cellules d'extraction electrolytique de l'aluminium pourvues d'un fond cathodique en forme de v |
| ATE382722T1 (de) * | 2001-07-13 | 2008-01-15 | Moltech Invent Sa | Anodenstrukturen auf der basis von legierungen für die herstellung von aluminium |
| NZ531545A (en) * | 2001-09-07 | 2005-12-23 | Moltech Invent S | Aluminium electrowinning cells with inclined cathodes |
| DE60202377T2 (de) * | 2001-09-07 | 2005-12-08 | Moltech Invent S.A. | Aluminium elektrogewinungszellen mit geneigten durchlöcherten sauerstoffentwicklungsanoden |
| GB0204671D0 (en) * | 2002-02-28 | 2002-04-10 | British Nuclear Fuels Plc | Electrochemical cell for metal production |
| NO20024048D0 (no) * | 2002-08-23 | 2002-08-23 | Norsk Hydro As | Fremgangsmåte for drift av en elektrolysecelle samt midler for samme |
| AU2004265508B2 (en) | 2003-08-14 | 2010-03-11 | Rio Tinto Alcan International Limited | Metal electrowinning cell with electrolyte purifier |
| US20080041729A1 (en) * | 2004-11-05 | 2008-02-21 | Vittorio De Nora | Aluminium Electrowinning With Enhanced Electrolyte Circulation |
| EP1807552A2 (fr) * | 2004-11-05 | 2007-07-18 | MOLTECH Invent S.A. | Extraction electrolytique d'aluminium avec circulation d'electrolyte amelioree |
| WO2007148297A2 (fr) * | 2006-06-22 | 2007-12-27 | Moltech Invent S.A. | Collecte de l'aluminium dans des cellules d'extraction électrolytique |
| RU2698162C2 (ru) | 2017-03-01 | 2019-08-22 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Перфорированный металлический инертный анод для получения алюминия электролизом расплава |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022679A (en) * | 1973-05-10 | 1977-05-10 | C. Conradty | Coated titanium anode for amalgam heavy duty cells |
| US4033847A (en) * | 1973-11-05 | 1977-07-05 | Olin Corporation | Metal anode assembly |
| AU2713684A (en) * | 1983-04-26 | 1984-11-01 | Aluminium Company Of America | Electrolytic cell |
| DE3345530A1 (de) * | 1983-07-13 | 1985-06-27 | Basf Ag, 6700 Ludwigshafen | Gasentwickelnde metallelektrode fuer elektrolysezellen |
| EP0349601A4 (fr) * | 1987-12-28 | 1990-05-14 | Aluminum Co Of America | Procede de fusion a base de sel. |
| US5279715A (en) * | 1991-09-17 | 1994-01-18 | Aluminum Company Of America | Process and apparatus for low temperature electrolysis of oxides |
| US5725744A (en) * | 1992-03-24 | 1998-03-10 | Moltech Invent S.A. | Cell for the electrolysis of alumina at low temperatures |
| AU677777B2 (en) * | 1992-04-01 | 1997-05-08 | Moltech Invent S.A. | Prevention of oxidation of carbonaceous and other materials at high temperatures |
| US5362366A (en) * | 1992-04-27 | 1994-11-08 | Moltech Invent S.A. | Anode-cathode arrangement for aluminum production cells |
| DE4306889C1 (de) * | 1993-03-05 | 1994-08-18 | Heraeus Elektrochemie | Elektrodenanordnung für gasbildende elektrolytische Prozesse in Membran-Zellen und deren Verwendung |
| DE4419277C2 (de) * | 1994-06-01 | 1998-07-02 | Heraeus Elektrochemie | Elektrolysezellen-Elektrode |
| DE4419274A1 (de) * | 1994-06-01 | 1995-12-07 | Heraeus Elektrochemie | Elektrode für Elektrolysezellen |
| US5472578A (en) * | 1994-09-16 | 1995-12-05 | Moltech Invent S.A. | Aluminium production cell and assembly |
-
2000
- 2000-01-10 CA CA002357717A patent/CA2357717C/fr not_active Expired - Fee Related
- 2000-01-10 EP EP04002292A patent/EP1416067A3/fr not_active Withdrawn
- 2000-01-10 SK SK958-2001A patent/SK286563B6/sk not_active IP Right Cessation
- 2000-01-10 RU RU2001127744/02A patent/RU2242539C2/ru active
- 2000-01-10 DE DE60009455T patent/DE60009455T2/de not_active Expired - Lifetime
- 2000-01-10 WO PCT/IB2000/000027 patent/WO2000040782A1/fr active IP Right Grant
- 2000-01-10 AU AU17931/00A patent/AU767865B2/en not_active Ceased
- 2000-01-10 AT AT00900035T patent/ATE263259T1/de not_active IP Right Cessation
- 2000-01-10 EP EP00900035A patent/EP1149187B1/fr not_active Expired - Lifetime
- 2000-01-10 ES ES00900035T patent/ES2215603T3/es not_active Expired - Lifetime
-
2001
- 2001-07-02 US US09/897,711 patent/US6540887B2/en not_active Expired - Lifetime
- 2001-07-06 NO NO20013378A patent/NO332628B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1149187A1 (fr) | 2001-10-31 |
| CA2357717A1 (fr) | 2000-07-13 |
| US6540887B2 (en) | 2003-04-01 |
| EP1149187B1 (fr) | 2004-03-31 |
| DE60009455D1 (de) | 2004-05-06 |
| EP1416067A2 (fr) | 2004-05-06 |
| CA2357717C (fr) | 2005-12-06 |
| AU767865B2 (en) | 2003-11-27 |
| NO20013378D0 (no) | 2001-07-06 |
| ES2215603T3 (es) | 2004-10-16 |
| US20020027069A1 (en) | 2002-03-07 |
| AU1793100A (en) | 2000-07-24 |
| NO332628B1 (no) | 2012-11-19 |
| DE60009455T2 (de) | 2005-01-20 |
| NO20013378L (no) | 2001-09-07 |
| ATE263259T1 (de) | 2004-04-15 |
| RU2242539C2 (ru) | 2004-12-20 |
| WO2000040782A1 (fr) | 2000-07-13 |
| EP1416067A3 (fr) | 2004-07-21 |
| SK9582001A3 (en) | 2002-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2477846C (fr) | Anode amelioree destinee a une cellule d'electrolyse de production d'aluminium | |
| US7077945B2 (en) | Cu—Ni—Fe anode for use in aluminum producing electrolytic cell | |
| JP5562962B2 (ja) | アルミニウム還元セル用の、高電流密度で動作する酸素発生金属陽極 | |
| US20070278107A1 (en) | Anode for use in aluminum producing electrolytic cell | |
| SK286563B6 (sk) | Pece na elektrolytické získavanie hliníka s uvoľňovaním kyslíka na anódach, spôsob výroby hliníka abezuhlíková anóda | |
| US20030075454A1 (en) | Prevention of dissolution of metal-based aluminium production anodes | |
| AU2005250240B2 (en) | High stability flow-through non-carbon anodes for aluminium electrowinning | |
| EP1448810B1 (fr) | Structures d'anodes a base d'alliage pour la production d'aluminium | |
| EP1147245B1 (fr) | Cellule d'electrolyse a alimentation en alumine amelioree | |
| CN215593210U (zh) | 一种无碳铝电解槽电极组件 | |
| AU2005300270A1 (en) | Aluminium electrowinning with enhanced electrolyte circulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC4A | Assignment and transfer of rights |
Owner name: ALCAN INTERNATIONAL LIMITED, MONTREAL, QUEBEC, CA Free format text: FORMER OWNER: MOLTECH INVENT S.A., LUXEMBOURG, LU Effective date: 20100804 |
|
| TC4A | Change of owner's name |
Owner name: RIO TINTO ALCAN INTERNATIONAL LIMITED, MONTREA, CA Effective date: 20110412 |
|
| MM4A | Patent lapsed due to non-payment of maintenance fees |
Effective date: 20180110 |