CA2358103C - Electrolytic cell with improved alumina supply - Google Patents
Electrolytic cell with improved alumina supply 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IB9900017 | 1999-01-08 | ||
| IBPCT/IB99/00017 | 1999-01-08 | ||
| PCT/IB2000/000029 WO2000040781A1 (en) | 1999-01-08 | 2000-01-10 | Electrolytic cell with improved alumina supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2358103A1 CA2358103A1 (en) | 2000-07-13 |
| CA2358103C true CA2358103C (en) | 2005-11-15 |
Family
ID=11004811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002358103A Expired - Fee Related CA2358103C (en) | 1999-01-08 | 2000-01-10 | Electrolytic cell with improved alumina supply |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1147245B1 (no) |
| AT (1) | ATE250154T1 (no) |
| CA (1) | CA2358103C (no) |
| DE (1) | DE60005301T2 (no) |
| ES (1) | ES2206175T3 (no) |
| NO (1) | NO20013377L (no) |
| WO (1) | WO2000040781A1 (no) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU776726B2 (en) * | 1999-10-26 | 2004-09-16 | Moltech Invent S.A. | Low temperature operating cell for the electrowinning of aluminium |
| US6638412B2 (en) * | 2000-12-01 | 2003-10-28 | Moltech Invent S.A. | Prevention of dissolution of metal-based aluminium production anodes |
| EP1366216B1 (en) * | 2001-03-07 | 2004-08-04 | MOLTECH Invent S.A. | Cell for the electrowinning of aluminium operating with metal-based anodes |
| SI1654401T1 (sl) | 2003-08-14 | 2012-01-31 | Rio Tinto Alcan Int Ltd | Celica za elektrolizno pridobivanje kovin z elektrolitskim ÄŤistilcem |
| 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 |
| AU688098B2 (en) * | 1994-09-08 | 1998-03-05 | Moltech Invent S.A. | Aluminium electrowinning cell with improved carbon cathode blocks |
-
2000
- 2000-01-10 WO PCT/IB2000/000029 patent/WO2000040781A1/en not_active Ceased
- 2000-01-10 ES ES00900037T patent/ES2206175T3/es not_active Expired - Lifetime
- 2000-01-10 AT AT00900037T patent/ATE250154T1/de not_active IP Right Cessation
- 2000-01-10 DE DE60005301T patent/DE60005301T2/de not_active Expired - Fee Related
- 2000-01-10 EP EP00900037A patent/EP1147245B1/en not_active Expired - Lifetime
- 2000-01-10 CA CA002358103A patent/CA2358103C/en not_active Expired - Fee Related
-
2001
- 2001-07-06 NO NO20013377A patent/NO20013377L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1147245A1 (en) | 2001-10-24 |
| NO20013377L (no) | 2001-09-07 |
| NO20013377D0 (no) | 2001-07-06 |
| ATE250154T1 (de) | 2003-10-15 |
| DE60005301D1 (de) | 2003-10-23 |
| ES2206175T3 (es) | 2004-05-16 |
| CA2358103A1 (en) | 2000-07-13 |
| DE60005301T2 (de) | 2004-06-17 |
| WO2000040781A1 (en) | 2000-07-13 |
| EP1147245B1 (en) | 2003-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |