ATE296367T1 - ANODES BASED ON METALS FOR ELECTROLYSIS CELLS FOR ALUMINUM EXTRACTION - Google Patents
ANODES BASED ON METALS FOR ELECTROLYSIS CELLS FOR ALUMINUM EXTRACTIONInfo
- Publication number
- ATE296367T1 ATE296367T1 AT02702624T AT02702624T ATE296367T1 AT E296367 T1 ATE296367 T1 AT E296367T1 AT 02702624 T AT02702624 T AT 02702624T AT 02702624 T AT02702624 T AT 02702624T AT E296367 T1 ATE296367 T1 AT E296367T1
- Authority
- AT
- Austria
- Prior art keywords
- layer
- core
- metals
- electrolysis cells
- silver
- Prior art date
Links
- 229910052782 aluminium Inorganic materials 0.000 title abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 238000005868 electrolysis reaction Methods 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
- 150000002739 metals Chemical class 0.000 title 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 229910052709 silver Inorganic materials 0.000 abstract 3
- 239000004332 silver Substances 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 229910000990 Ni alloy Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000004873 anchoring Methods 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000005363 electrowinning Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 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
- 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)
Abstract
A metal-based anode substrate of a cell for the electrowinning of aluminium comprises a nickel-alloy based core, a layer of silver on the core and a layer comprising nickel and iron covering the silver layer and serving as an anchorage layer for anchoring an electrochemically active surface coating on top of the anode substrate. The electrochemically active coating may be a cerium-based coating. The silver layer inhibits diffusion of fluoride species into the core and prevents interdiffusion of constituents of the core and constituents of the anchorage layer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IB0100322 | 2001-03-07 | ||
| PCT/IB2002/000667 WO2002070786A1 (en) | 2001-03-07 | 2002-03-04 | Metal-based anodes for aluminium production cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE296367T1 true ATE296367T1 (en) | 2005-06-15 |
Family
ID=11004052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02702624T ATE296367T1 (en) | 2001-03-07 | 2002-03-04 | ANODES BASED ON METALS FOR ELECTROLYSIS CELLS FOR ALUMINUM EXTRACTION |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1381716B1 (en) |
| AT (1) | ATE296367T1 (en) |
| AU (1) | AU2002236142B2 (en) |
| CA (1) | CA2437671A1 (en) |
| DE (1) | DE60204307T2 (en) |
| ES (1) | ES2239709T3 (en) |
| NZ (1) | NZ527307A (en) |
| WO (1) | WO2002070786A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2443745A1 (en) * | 2001-04-12 | 2002-10-24 | Moltech Invent S.A. | Nickel-iron anodes for aluminium electrowinning cells |
| CA2498622C (en) * | 2002-10-18 | 2011-09-20 | Moltech Invent S.A. | Aluminium electrowinning cells with metal-based anodes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69927509T2 (en) * | 1998-07-30 | 2006-06-29 | Moltech Invent S.A. | METHOD FOR THE PRODUCTION OF ANODES BASED ON NICKEL IRON ALLOYS FOR ELECTRIC GENERIC CELLS |
| CA2360094C (en) * | 1999-01-08 | 2005-11-29 | Moltech Invent S.A. | High-strength low-alloy steel anodes for aluminium electrowinning cells |
-
2002
- 2002-03-04 WO PCT/IB2002/000667 patent/WO2002070786A1/en not_active Ceased
- 2002-03-04 AT AT02702624T patent/ATE296367T1/en not_active IP Right Cessation
- 2002-03-04 EP EP02702624A patent/EP1381716B1/en not_active Expired - Lifetime
- 2002-03-04 ES ES02702624T patent/ES2239709T3/en not_active Expired - Lifetime
- 2002-03-04 DE DE60204307T patent/DE60204307T2/en not_active Expired - Fee Related
- 2002-03-04 AU AU2002236142A patent/AU2002236142B2/en not_active Ceased
- 2002-03-04 NZ NZ527307A patent/NZ527307A/en unknown
- 2002-03-04 CA CA002437671A patent/CA2437671A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002070786A1 (en) | 2002-09-12 |
| DE60204307D1 (en) | 2005-06-30 |
| EP1381716B1 (en) | 2005-05-25 |
| DE60204307T2 (en) | 2006-02-02 |
| AU2002236142B2 (en) | 2007-04-05 |
| CA2437671A1 (en) | 2002-09-12 |
| EP1381716A1 (en) | 2004-01-21 |
| NZ527307A (en) | 2005-02-25 |
| ES2239709T3 (en) | 2005-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |