NO134707B - - Google Patents
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- Publication number
- NO134707B NO134707B NO580/73A NO58073A NO134707B NO 134707 B NO134707 B NO 134707B NO 580/73 A NO580/73 A NO 580/73A NO 58073 A NO58073 A NO 58073A NO 134707 B NO134707 B NO 134707B
- Authority
- NO
- Norway
- Prior art keywords
- anode
- level
- signal
- bath
- voltage
- Prior art date
Links
- 230000009467 reduction Effects 0.000 claims description 65
- 230000000694 effects Effects 0.000 claims description 43
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 24
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000004020 conductor Substances 0.000 description 8
- 238000005868 electrolysis reaction Methods 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 229910001610 cryolite Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005303 weighing 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
- C25C3/20—Automatic control or regulation of cells
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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US298405A US3888747A (en) | 1972-10-18 | 1972-10-18 | Method of and apparatus for producing metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO134707B true NO134707B (it) | 1976-08-23 |
| NO134707C NO134707C (it) | 1976-12-01 |
Family
ID=23150367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO580/73A NO134707C (it) | 1972-10-18 | 1973-02-13 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3888747A (it) |
| JP (1) | JPS5817268B2 (it) |
| AT (1) | AT336288B (it) |
| CA (1) | CA1026703A (it) |
| CH (1) | CH579641A5 (it) |
| DE (1) | DE2308565A1 (it) |
| FR (1) | FR2203889B1 (it) |
| GB (1) | GB1396454A (it) |
| IN (1) | IN139142B (it) |
| IT (1) | IT988127B (it) |
| NO (1) | NO134707C (it) |
| ZA (1) | ZA731017B (it) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1146904A (en) * | 1978-04-27 | 1983-05-24 | Edward L. Cambridge | Technique for automatic quenching of anode effects in aluminium reduction cells |
| JPS55134186A (en) * | 1979-04-06 | 1980-10-18 | Ardal Og Sunndal Verk | Controlling of anode effect |
| FR2483965A1 (fr) * | 1980-06-06 | 1981-12-11 | Aluminium Grece | Procede et appareillage de controle de l'alimentation en alumine d'une cellule pour la production d'aluminium par electrolyse |
| CA1219636A (en) * | 1984-01-18 | 1987-03-24 | Andrew E. Deczky | Data acquisition system for the computer control of aluminum smelters |
| US4654130A (en) * | 1986-05-15 | 1987-03-31 | Reynolds Metals Company | Method for improved alumina control in aluminum electrolytic cells employing point feeders |
| BR9900252A (pt) | 1999-02-02 | 2000-08-29 | Companhia Brasileira Carbureto | Recipiente de aço inoxidável para a formação de eletrodos de autocozimento para a utilização em baixos-fornos elétricos de redução |
| BR9900253A (pt) | 1999-02-02 | 2000-08-29 | Companhia Brasileira Carbureto | Recipiente de alumìnio e aço inoxidável a formação de eletrodos de autocozimento para a utilização em baixos-fornos elétricos de redução |
| FR2833274B1 (fr) * | 2001-12-07 | 2004-01-23 | Pechiney Aluminium | Procede et dispositif de detection des effets d'anode d'une cellule d'electrolyse pour la fabrication d'aluminium |
| ES2764000T3 (es) * | 2012-08-17 | 2020-06-01 | Elysis Lp | Sistemas y procedimientos para impedir reacciones de termita en celdas electrolíticas |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1280816A (fr) * | 1960-12-09 | 1962-01-08 | Ind De L Aluminium Sa | Four d'électrolyse pour la production de l'aluminium et procédé de conduite de cefour |
| CH417125A (de) * | 1963-08-30 | 1966-07-15 | Alusuisse | Verfahren zur automatischen Regelung der Klemmenspannung bei einer Anlage zur elektrolytischen Gewinnung von Aluminium im Fluoridschmelzfluss und mit der entsprechenden Reguliervorrichtung versehene Anlage |
| FR1397946A (fr) * | 1964-01-14 | 1965-05-07 | Pechiney | Procédé pour la prévision des brûlures, l'alimentation systématique et la régulation automatique du système anodique des cuves pour l'électrolyse ignée de l'alumine |
| US3387210A (en) * | 1964-09-25 | 1968-06-04 | Reynolds Metals Co | Method and apparatus for measuring the resistance of an electrochemical cell |
| US3573179A (en) * | 1965-12-14 | 1971-03-30 | Ibm | Method and apparatus for the control of electrolytic refining cells |
| US3578569A (en) * | 1967-09-18 | 1971-05-11 | Kaiser Aluminium Chem Corp | Anode polarization detector |
| US3539461A (en) * | 1967-10-19 | 1970-11-10 | Kaiser Aluminium Chem Corp | Anode effect termination |
| FR1605433A (it) * | 1967-11-06 | 1975-10-17 | ||
| US3712857A (en) * | 1968-05-20 | 1973-01-23 | Reynolds Metals Co | Method for controlling a reduction cell |
| US3625842A (en) * | 1968-05-24 | 1971-12-07 | Kaiser Aluminium Chem Corp | Alumina feed control |
| NL6818752A (it) * | 1968-12-27 | 1970-06-30 | ||
| US3761379A (en) * | 1971-07-20 | 1973-09-25 | C Elliott | Aluminum production apparatus |
-
1972
- 1972-10-18 US US298405A patent/US3888747A/en not_active Expired - Lifetime
-
1973
- 1973-02-13 NO NO580/73A patent/NO134707C/no unknown
- 1973-02-13 ZA ZA731017A patent/ZA731017B/xx unknown
- 1973-02-16 CA CA163,876A patent/CA1026703A/en not_active Expired
- 1973-02-16 IN IN340/CAL/73A patent/IN139142B/en unknown
- 1973-02-21 DE DE19732308565 patent/DE2308565A1/de not_active Withdrawn
- 1973-02-26 AT AT170273A patent/AT336288B/de not_active IP Right Cessation
- 1973-02-28 IT IT48518/73A patent/IT988127B/it active
- 1973-03-23 FR FR7310557A patent/FR2203889B1/fr not_active Expired
- 1973-04-02 JP JP48037709A patent/JPS5817268B2/ja not_active Expired
- 1973-05-01 GB GB2058873A patent/GB1396454A/en not_active Expired
- 1973-05-04 CH CH639973A patent/CH579641A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2308565A1 (de) | 1974-05-02 |
| AT336288B (de) | 1977-04-25 |
| ATA170273A (de) | 1976-08-15 |
| US3888747A (en) | 1975-06-10 |
| CA1026703A (en) | 1978-02-21 |
| FR2203889A1 (it) | 1974-05-17 |
| IT988127B (it) | 1975-04-10 |
| ZA731017B (en) | 1973-11-28 |
| JPS5817268B2 (ja) | 1983-04-06 |
| IN139142B (it) | 1976-05-15 |
| AU5210073A (en) | 1974-08-15 |
| GB1396454A (en) | 1975-06-04 |
| FR2203889B1 (it) | 1976-09-10 |
| NO134707C (it) | 1976-12-01 |
| JPS4975402A (it) | 1974-07-22 |
| CH579641A5 (it) | 1976-09-15 |
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