CA1333782C - Method and means for feeding aluminium oxide to cells for producing aluminium by molten electrolysis and anode casing for self baking anodes in electrolytic cells for production of aluminium - Google Patents
Method and means for feeding aluminium oxide to cells for producing aluminium by molten electrolysis and anode casing for self baking anodes in electrolytic cells for production of aluminiumInfo
- Publication number
- CA1333782C CA1333782C CA000581998A CA581998A CA1333782C CA 1333782 C CA1333782 C CA 1333782C CA 000581998 A CA000581998 A CA 000581998A CA 581998 A CA581998 A CA 581998A CA 1333782 C CA1333782 C CA 1333782C
- Authority
- CA
- Canada
- Prior art keywords
- anode
- anode casing
- aluminium
- recess
- casing
- 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 Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 105
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 17
- 239000004411 aluminium Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000005868 electrolysis reaction Methods 0.000 title description 4
- 229960005363 aluminium oxide Drugs 0.000 description 26
- 239000003792 electrolyte Substances 0.000 description 16
- 235000010210 aluminium Nutrition 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 101100165177 Caenorhabditis elegans bath-15 gene Proteins 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- 239000002003 electrode paste Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 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
- 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
- C25C3/14—Devices for feeding or crust breaking
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO874538A NO162868C (no) | 1987-11-02 | 1987-11-02 | Fremgangsmaate og anordning for tilfoersel av aluminiumoksid til celler for smelteelektrolytisk fremstilling av aluminium samt anodemantel for selvbakende anoder i aluminiumelektrolyseceller. |
| NO874,538 | 1987-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1333782C true CA1333782C (en) | 1995-01-03 |
Family
ID=19890361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000581998A Expired - Fee Related CA1333782C (en) | 1987-11-02 | 1988-11-02 | Method and means for feeding aluminium oxide to cells for producing aluminium by molten electrolysis and anode casing for self baking anodes in electrolytic cells for production of aluminium |
Country Status (6)
| Country | Link |
|---|---|
| BR (1) | BR8805567A (zh) |
| CA (1) | CA1333782C (zh) |
| ES (1) | ES2009090A6 (zh) |
| NO (1) | NO162868C (zh) |
| SE (1) | SE467359B (zh) |
| SU (1) | SU1709916A3 (zh) |
-
1987
- 1987-11-02 NO NO874538A patent/NO162868C/no unknown
-
1988
- 1988-10-26 SE SE8803832A patent/SE467359B/sv not_active IP Right Cessation
- 1988-10-27 ES ES8803281A patent/ES2009090A6/es not_active Expired
- 1988-10-27 BR BR8805567A patent/BR8805567A/pt not_active IP Right Cessation
- 1988-11-01 SU SU884356905A patent/SU1709916A3/ru active
- 1988-11-02 CA CA000581998A patent/CA1333782C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SU1709916A3 (ru) | 1992-01-30 |
| NO162868B (no) | 1989-11-20 |
| ES2009090A6 (es) | 1989-08-16 |
| SE8803832D0 (sv) | 1988-10-26 |
| NO162868C (no) | 1990-02-28 |
| BR8805567A (pt) | 1989-07-11 |
| SE467359B (sv) | 1992-07-06 |
| NO874538L (no) | 1989-05-03 |
| NO874538D0 (no) | 1987-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |