CH545856A - - Google Patents
Info
- Publication number
- CH545856A CH545856A CH766369A CH545856DA CH545856A CH 545856 A CH545856 A CH 545856A CH 766369 A CH766369 A CH 766369A CH 545856D A CH545856D A CH 545856DA CH 545856 A CH545856 A CH 545856A
- Authority
- CH
- Switzerland
Links
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)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Closures For Containers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73040868A | 1968-05-20 | 1968-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH545856A true CH545856A (xx) | 1974-02-15 |
Family
ID=24935222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH766369A CH545856A (xx) | 1968-05-20 | 1969-05-20 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3712857A (xx) |
JP (1) | JPS5025410B1 (xx) |
CH (1) | CH545856A (xx) |
DE (1) | DE1925201B2 (xx) |
FR (1) | FR2008951A1 (xx) |
GB (1) | GB1274892A (xx) |
NO (1) | NO129257B (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3847761A (en) * | 1972-04-06 | 1974-11-12 | Aluminum Co Of America | Bath control |
CH560767A5 (xx) * | 1972-07-18 | 1975-04-15 | Alusuisse | |
US3878070A (en) * | 1972-10-18 | 1975-04-15 | Southwire Co | Apparatus for and method of producing metal |
US3888747A (en) * | 1972-10-18 | 1975-06-10 | Nat Southwire Aluminum | Method of and apparatus for producing metal |
ZA74950B (en) * | 1973-02-21 | 1975-01-29 | Nat Southwire Aluminum | Method and apparatus for producing metal |
AT329893B (de) * | 1973-07-25 | 1976-06-10 | Vaw Ver Aluminium Werke Ag | Verfahren und anordnung zum betrieb einer elektrolyseanlage, insbesondere einer aluminium-elektrolyseanlage |
CH594064A5 (xx) * | 1973-12-20 | 1977-12-30 | Alusuisse | |
FR2487386A1 (fr) * | 1980-07-23 | 1982-01-29 | Pechiney Aluminium | Procede et appareillage pour reguler de facon precise la cadence d'introduction et la teneur en alumine d'une cuve d'electrolyse ignee, et application a la production d'aluminium |
US4425201A (en) | 1982-01-27 | 1984-01-10 | Reynolds Metals Company | Method for improved alumina control in aluminum electrolytic cells |
FR2581660B1 (fr) * | 1985-05-07 | 1987-06-05 | Pechiney Aluminium | Procede de regulation precise d'une faible teneur en alumine dans une cuve d'electrolyse ignee pour la production d'aluminium |
US4654130A (en) * | 1986-05-15 | 1987-03-31 | Reynolds Metals Company | Method for improved alumina control in aluminum electrolytic cells employing point feeders |
NZ232580A (en) * | 1989-02-24 | 1992-12-23 | Comalco Alu | Aluminium smelting process control |
NO311623B1 (no) * | 1998-03-23 | 2001-12-17 | Norsk Hydro As | Fremgangsmåte for styring av aluminiumoksidtilförsel til elektrolyseceller for fremstilling av aluminium |
SE517901C2 (sv) * | 2000-08-15 | 2002-07-30 | Parker Hannifin Ab | Styrsystem för pneumatiska drivanordningar |
AU2007333769A1 (en) * | 2006-12-19 | 2008-06-26 | Michael Schneller | Aluminum production process control |
-
1968
- 1968-05-20 US US00730408A patent/US3712857A/en not_active Expired - Lifetime
-
1969
- 1969-05-12 NO NO01941/69A patent/NO129257B/no unknown
- 1969-05-12 GB GB24149/69A patent/GB1274892A/en not_active Expired
- 1969-05-16 JP JP44038354A patent/JPS5025410B1/ja active Pending
- 1969-05-17 DE DE1925201A patent/DE1925201B2/de not_active Withdrawn
- 1969-05-20 FR FR6916405A patent/FR2008951A1/fr not_active Withdrawn
- 1969-05-20 CH CH766369A patent/CH545856A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE1925201B2 (de) | 1980-01-17 |
JPS5025410B1 (xx) | 1975-08-23 |
US3712857A (en) | 1973-01-23 |
DE1925201A1 (de) | 1969-11-27 |
NO129257B (xx) | 1974-03-18 |
FR2008951A1 (xx) | 1970-01-30 |
GB1274892A (en) | 1972-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |