AU610964B2 - Improvement in the protective coatings for the carrier bars of pre-baked anodes and the emerging part of said anodes - Google Patents
Improvement in the protective coatings for the carrier bars of pre-baked anodes and the emerging part of said anodes Download PDFInfo
- Publication number
- AU610964B2 AU610964B2 AU27429/88A AU2742988A AU610964B2 AU 610964 B2 AU610964 B2 AU 610964B2 AU 27429/88 A AU27429/88 A AU 27429/88A AU 2742988 A AU2742988 A AU 2742988A AU 610964 B2 AU610964 B2 AU 610964B2
- Authority
- AU
- Australia
- Prior art keywords
- anodes
- weight
- carrier bars
- baked
- water
- 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.)
- Ceased
Links
- 239000011253 protective coating Substances 0.000 title description 4
- 230000006872 improvement Effects 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 16
- 238000005868 electrolysis reaction Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052596 spinel Inorganic materials 0.000 claims description 9
- 239000011029 spinel Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims 2
- 235000009917 Crataegus X brevipes Nutrition 0.000 claims 1
- 235000013204 Crataegus X haemacarpa Nutrition 0.000 claims 1
- 235000009685 Crataegus X maligna Nutrition 0.000 claims 1
- 235000009444 Crataegus X rubrocarnea Nutrition 0.000 claims 1
- 235000009486 Crataegus bullatus Nutrition 0.000 claims 1
- 235000017181 Crataegus chrysocarpa Nutrition 0.000 claims 1
- 235000009682 Crataegus limnophila Nutrition 0.000 claims 1
- 235000004423 Crataegus monogyna Nutrition 0.000 claims 1
- 240000000171 Crataegus monogyna Species 0.000 claims 1
- 235000002313 Crataegus paludosa Nutrition 0.000 claims 1
- 235000009840 Crataegus x incaedua Nutrition 0.000 claims 1
- 238000009626 Hall-Héroult process Methods 0.000 claims 1
- 229910010413 TiO 2 Inorganic materials 0.000 claims 1
- 210000002837 heart atrium Anatomy 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 2
- 239000003830 anthracite Substances 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000001033 granulometry Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011307 graphite pitch Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000004580 weight loss Effects 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
- C25C3/12—Anodes
- C25C3/125—Anodes based on carbon
-
- 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
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)
- Prevention Of Electric Corrosion (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8718452 | 1987-12-22 | ||
| FR878718452A FR2624886B2 (fr) | 1986-11-14 | 1987-12-22 | Perfectionnement aux revetements de protection des rondins d'anodes precuites et de la partie emergeante de ces anodes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2742988A AU2742988A (en) | 1989-06-22 |
| AU610964B2 true AU610964B2 (en) | 1991-05-30 |
Family
ID=9358501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU27429/88A Ceased AU610964B2 (en) | 1987-12-22 | 1988-12-21 | Improvement in the protective coatings for the carrier bars of pre-baked anodes and the emerging part of said anodes |
Country Status (9)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2606796B1 (fr) * | 1986-11-14 | 1989-02-03 | Savoie Electrodes Refract | Revetement de protection destine aux rondins d'anodes precuites |
| NO930957L (no) * | 1993-03-17 | 1994-09-19 | Norsk Hydro As | Marterialkompositt for oksidasjons- og korrosjonsbeskyttelse av anodenipler |
| US6818106B2 (en) * | 2002-01-25 | 2004-11-16 | Alcoa Inc. | Inert anode assembly |
| AU2003274399A1 (en) * | 2002-10-18 | 2004-05-04 | Moltech Invent S.A. | Anode current feeding connection stem |
| SI2688130T1 (en) * | 2002-11-25 | 2018-06-29 | Alcoa Usa Corp. | Inert anode composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859198A (en) * | 1972-02-15 | 1975-01-07 | Zirconal Processes Ltd | Coating composition suitable for use at high temperatures |
| US4162923A (en) * | 1977-12-12 | 1979-07-31 | Lafarge Fondu International | Calcium aluminate based refractory hydraulic binder and its process of preparation |
| AU564284B2 (en) * | 1984-11-02 | 1987-08-06 | Misawa Home K.K. | Process for production of cellular concrete |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4354918A (en) * | 1981-01-14 | 1982-10-19 | Martin Marietta Corporation | Anode stud coatings for electrolytic cells |
| BR8500347A (pt) * | 1985-01-25 | 1986-09-09 | Ardal Og Sunndal Verk | Anodo pre-cozido com perda de carbono reduzida para emprego na producao de aluminio por reducao por fusao eletrolitica e processo de produzir o mesmo |
-
1988
- 1988-11-21 IN IN814/MAS/88A patent/IN169360B/en unknown
- 1988-12-19 CA CA 586322 patent/CA1340408C/fr not_active Expired - Fee Related
- 1988-12-20 NO NO88885645A patent/NO885645L/no unknown
- 1988-12-21 BR BR8806778A patent/BR8806778A/pt not_active Application Discontinuation
- 1988-12-21 DE DE19883873713 patent/DE3873713T2/de not_active Expired - Fee Related
- 1988-12-21 AU AU27429/88A patent/AU610964B2/en not_active Ceased
- 1988-12-21 EP EP19880420430 patent/EP0322326B1/fr not_active Expired - Lifetime
- 1988-12-21 ES ES88420430T patent/ES2043877T3/es not_active Expired - Lifetime
- 1988-12-21 IS IS3424A patent/IS1465B6/is unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859198A (en) * | 1972-02-15 | 1975-01-07 | Zirconal Processes Ltd | Coating composition suitable for use at high temperatures |
| US4162923A (en) * | 1977-12-12 | 1979-07-31 | Lafarge Fondu International | Calcium aluminate based refractory hydraulic binder and its process of preparation |
| AU564284B2 (en) * | 1984-11-02 | 1987-08-06 | Misawa Home K.K. | Process for production of cellular concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| IS1465B6 (is) | 1991-03-26 |
| DE3873713T2 (de) | 1993-02-11 |
| DE3873713D1 (de) | 1992-09-17 |
| NO885645D0 (no) | 1988-12-20 |
| ES2043877T3 (es) | 1994-01-01 |
| IN169360B (US20030220297A1-20031127-C00009.png) | 1991-09-28 |
| IS3424A7 (is) | 1989-06-23 |
| NO885645L (no) | 1989-06-23 |
| BR8806778A (pt) | 1989-08-29 |
| AU2742988A (en) | 1989-06-22 |
| EP0322326B1 (fr) | 1992-08-12 |
| CA1340408C (fr) | 1999-02-23 |
| EP0322326A1 (fr) | 1989-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |