CA2358103C - Cellule d'electrolyse a alimentation en alumine amelioree - Google Patents
Cellule d'electrolyse a alimentation en alumine amelioree Download PDFInfo
- Publication number
- CA2358103C CA2358103C CA002358103A CA2358103A CA2358103C CA 2358103 C CA2358103 C CA 2358103C CA 002358103 A CA002358103 A CA 002358103A CA 2358103 A CA2358103 A CA 2358103A CA 2358103 C CA2358103 C CA 2358103C
- Authority
- CA
- Canada
- Prior art keywords
- electrolyte
- anode
- alumina
- cell
- foraminate
- 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.)
- Expired - Fee Related
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000003792 electrolyte Substances 0.000 claims abstract description 233
- 239000004411 aluminium Substances 0.000 claims abstract description 53
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 53
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000001301 oxygen Substances 0.000 claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 48
- 238000004090 dissolution Methods 0.000 claims abstract description 42
- 238000005363 electrowinning Methods 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 16
- 230000001737 promoting effect Effects 0.000 claims abstract description 12
- 230000001939 inductive effect Effects 0.000 claims abstract description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 18
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 12
- 238000005868 electrolysis reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 41
- 229910052742 iron Inorganic materials 0.000 description 20
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 14
- 235000013980 iron oxide Nutrition 0.000 description 14
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 12
- 229960005191 ferric oxide Drugs 0.000 description 12
- 241000894007 species Species 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000470 constituent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229960001296 zinc oxide Drugs 0.000 description 6
- 239000011787 zinc oxide Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 239000010405 anode material Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- -1 magnesium aluminate Chemical class 0.000 description 4
- 229910052759 nickel Inorganic materials 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
- 239000012267 brine Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 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 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910033181 TiB2 Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052595 hematite Inorganic materials 0.000 description 2
- 239000011019 hematite Substances 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102100032404 Cholinesterase Human genes 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 101000943274 Homo sapiens Cholinesterase Proteins 0.000 description 1
- 101000799554 Homo sapiens Protein AATF Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000001537 Ribes X gardonianum Nutrition 0.000 description 1
- 235000001535 Ribes X utile Nutrition 0.000 description 1
- 235000016919 Ribes petraeum Nutrition 0.000 description 1
- 244000281247 Ribes rubrum Species 0.000 description 1
- 235000002355 Ribes spicatum Nutrition 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- IYOHHZVNHNCZNL-UHFFFAOYSA-N [Fe].FOF Chemical compound [Fe].FOF IYOHHZVNHNCZNL-UHFFFAOYSA-N 0.000 description 1
- JWCPKKUXENYVPL-UHFFFAOYSA-N [Mg+2].[O-][Cr]([O-])=O Chemical compound [Mg+2].[O-][Cr]([O-])=O JWCPKKUXENYVPL-UHFFFAOYSA-N 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
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- SHXXPRJOPFJRHA-UHFFFAOYSA-K iron(iii) fluoride Chemical compound F[Fe](F)F SHXXPRJOPFJRHA-UHFFFAOYSA-K 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- GLVAUDGFNGKCSF-UHFFFAOYSA-N mercaptopurine Chemical compound S=C1NC=NC2=C1NC=N2 GLVAUDGFNGKCSF-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 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
- 239000011253 protective coating Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium 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
- 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
-
- 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)
- Primary Cells (AREA)
Abstract
L'invention concerne une cellule d'électrolyse d'extraction électrolytique de l'aluminium comprenant une structure d'anode (15) métallique perforée électrochimiquement active permettant l'émission d'oxygène et l'échappement de l'oxygène émis à travers les trous. Les anodes de la structure sont séparées par des espaces inter-électrodes et situées au-dessus d'une cathode opposée (20). La cellule comprend également un dispositif qui active la dissolution d'alumine en poudre (32) injectée dans la surface de l'électrolyte (30) et qui alimente l'espace inter-électrodes en électrolyte riche en alumine en induisant une circulation d'électrolyte montant et descendant dans l'espace inter-électrode entraînée par l'échappement à travers la structure perforée de l'oxygène émis par l'anode. Ce dispositif comprend des éléments de guidage d'électrolyse (5) tels que des déflecteurs ou des entonnoirs pourvus d'au moins une surface inclinée (6) immergée dans l'électrolyte fondu (30) au-dessus de la structure perforée (15).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IBPCT/IB99/00017 | 1999-01-08 | ||
| IB9900017 | 1999-01-08 | ||
| PCT/IB2000/000029 WO2000040781A1 (fr) | 1999-01-08 | 2000-01-10 | Cellule d'electrolyse a alimentation en alumine amelioree |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2358103A1 CA2358103A1 (fr) | 2000-07-13 |
| CA2358103C true CA2358103C (fr) | 2005-11-15 |
Family
ID=11004811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002358103A Expired - Fee Related CA2358103C (fr) | 1999-01-08 | 2000-01-10 | Cellule d'electrolyse a alimentation en alumine amelioree |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1147245B1 (fr) |
| AT (1) | ATE250154T1 (fr) |
| CA (1) | CA2358103C (fr) |
| DE (1) | DE60005301T2 (fr) |
| ES (1) | ES2206175T3 (fr) |
| NO (1) | NO20013377L (fr) |
| WO (1) | WO2000040781A1 (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1230435B1 (fr) * | 1999-10-26 | 2004-09-15 | MOLTECH Invent S.A. | Cellule fonctionnant a faible temperature pour extraction electrolytique d'aluminium |
| US6638412B2 (en) * | 2000-12-01 | 2003-10-28 | Moltech Invent S.A. | Prevention of dissolution of metal-based aluminium production anodes |
| US20040144642A1 (en) * | 2001-03-07 | 2004-07-29 | Vittorio De Nora | Cell for the electrowinning of aluminium operating with metal-based anodes |
| US7846309B2 (en) | 2003-08-14 | 2010-12-07 | Rio Tinto Alcan International Limited | Metal electrowinning cell with electrolyte purifier |
| US9121104B2 (en) * | 2011-01-31 | 2015-09-01 | Alcoa Inc. | Systems and methods for determining alumina properties |
| DE102011078002A1 (de) * | 2011-06-22 | 2012-12-27 | Sgl Carbon Se | Ringförmige Elektrolysezelle und ringförmige Kathode mit Magnetfeldkompensation |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110178A (en) * | 1977-05-17 | 1978-08-29 | Aluminum Company Of America | Flow control baffles for molten salt electrolysis |
| IT1165047B (it) * | 1979-05-03 | 1987-04-22 | Oronzio De Nora Impianti | Procedimento per migliorare il trasporto di materia ad un elettrodo e mezzi idrodinamici relativi |
| EP0905284B1 (fr) * | 1994-09-08 | 2002-04-03 | MOLTECH Invent S.A. | Cuve d'électrolyse d'aluminium à cathode drainée |
-
2000
- 2000-01-10 CA CA002358103A patent/CA2358103C/fr not_active Expired - Fee Related
- 2000-01-10 AT AT00900037T patent/ATE250154T1/de not_active IP Right Cessation
- 2000-01-10 ES ES00900037T patent/ES2206175T3/es not_active Expired - Lifetime
- 2000-01-10 DE DE60005301T patent/DE60005301T2/de not_active Expired - Fee Related
- 2000-01-10 WO PCT/IB2000/000029 patent/WO2000040781A1/fr not_active Ceased
- 2000-01-10 EP EP00900037A patent/EP1147245B1/fr not_active Expired - Lifetime
-
2001
- 2001-07-06 NO NO20013377A patent/NO20013377L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE60005301D1 (de) | 2003-10-23 |
| ES2206175T3 (es) | 2004-05-16 |
| CA2358103A1 (fr) | 2000-07-13 |
| ATE250154T1 (de) | 2003-10-15 |
| DE60005301T2 (de) | 2004-06-17 |
| EP1147245B1 (fr) | 2003-09-17 |
| WO2000040781A1 (fr) | 2000-07-13 |
| EP1147245A1 (fr) | 2001-10-24 |
| NO20013377D0 (no) | 2001-07-06 |
| NO20013377L (no) | 2001-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |