NO134707B - - Google Patents

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Info

Publication number: NO134707B
Authority: NO; Norway
Prior art keywords: anode; level; signal; bath; voltage
Prior art date: 1972-10-18

Application number

NO580/73A

Other languages

English (en)

Norwegian (no)

Other versions

NO134707C (xx

Inventor

J A Murphy

Original Assignee

Nat Southwire Aluminum

Priority date (The priority date 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 date listed.)

1972-10-18

Filing date

1973-02-13

Publication date

1976-08-23

1973-02-13 Application filed by Nat Southwire Aluminum filed Critical Nat Southwire Aluminum

1976-08-23 Publication of NO134707B publication Critical patent/NO134707B/no

1976-12-01 Publication of NO134707C publication Critical patent/NO134707C/no

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)

NO580/73A 1972-10-18 1973-02-13 NO134707C (xx)

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 (xx)	1976-08-23
NO134707C NO134707C (xx)	1976-12-01

Family

ID=23150367

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO580/73A NO134707C (xx)	1972-10-18	1973-02-13

Country Status (12)

Country	Link
US (1)	US3888747A (xx)
JP (1)	JPS5817268B2 (xx)
AT (1)	AT336288B (xx)
CA (1)	CA1026703A (xx)
CH (1)	CH579641A5 (xx)
DE (1)	DE2308565A1 (xx)
FR (1)	FR2203889B1 (xx)
GB (1)	GB1396454A (xx)
IN (1)	IN139142B (xx)
IT (1)	IT988127B (xx)
NO (1)	NO134707C (xx)
ZA (1)	ZA731017B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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
AU2013303221B2 (en)	2012-08-17	2015-11-19	Alcoa Usa Corp.	Systems and methods for preventing thermite reactions in electrolytic cells

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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 (xx) *	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 (xx) *	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 ZA ZA731017A patent/ZA731017B/xx unknown
- 1973-02-13 NO NO580/73A patent/NO134707C/no unknown
- 1973-02-16 IN IN340/CAL/73A patent/IN139142B/en unknown
- 1973-02-16 CA CA163,876A patent/CA1026703A/en not_active Expired
- 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
AT336288B (de)	1977-04-25
NO134707C (xx)	1976-12-01
IN139142B (xx)	1976-05-15
CA1026703A (en)	1978-02-21
JPS4975402A (xx)	1974-07-22
GB1396454A (en)	1975-06-04
DE2308565A1 (de)	1974-05-02
FR2203889A1 (xx)	1974-05-17
JPS5817268B2 (ja)	1983-04-06
US3888747A (en)	1975-06-10
ATA170273A (de)	1976-08-15
CH579641A5 (xx)	1976-09-15
IT988127B (it)	1975-04-10
FR2203889B1 (xx)	1976-09-10
AU5210073A (en)	1974-08-15
ZA731017B (en)	1973-11-28

Publication	Publication Date	Title
NO134707B (xx)	1976-08-23
US4563255A (en)	1986-01-07	Process and device for controlling a crust breaking facility
US3573179A (en)	1971-03-30	Method and apparatus for the control of electrolytic refining cells
US3712857A (en)	1973-01-23	Method for controlling a reduction cell
US3625842A (en)	1971-12-07	Alumina feed control
US8961773B2 (en)	2015-02-24	Method of producing aluminium in an electrolysis cell
CN106460210B (zh)	2019-01-11	用于控制向用于生产铝的电解池进料铝的方法
NO171419B (no)	1992-11-30	Fremgangsmaate og anordning for aa styre faste elektrolyttilsetninger til en elektrolytisk celle for produksjon av aluminium
ES296536U (es)	1987-10-16	Anodo carbonado para cubas de produccion de aluminio por electrolisis ignea.
US4425201A (en)	1984-01-10	Method for improved alumina control in aluminum electrolytic cells
NO123318B (xx)	1971-10-25
US3723286A (en)	1973-03-27	Aluminum reduction cell
NO139566B (no)	1978-12-27	Fremgangsmaate og anordning for beskyttelse av elektroder mot stroemover- eller stroemunderbelastninger i en elektrolysecelle
US4124465A (en)	1978-11-07	Protecting tube
US3455795A (en)	1969-07-15	Apparatus and method for the operation of cells for the igneous electrolysis of alumina
NO123066B (xx)	1971-09-20
NO311623B1 (no)	2001-12-17	Fremgangsmåte for styring av aluminiumoksidtilförsel til elektrolyseceller for fremstilling av aluminium
US3009865A (en)	1961-11-21	Anodic protection of kraft digesters
NO143877B (no)	1981-01-19	Fremgangsmaate og apparat for overvaakning av aluminiumfremstilling ved smelteelektrolyse
NO833747L (no)	1974-01-18	Anordning for regulering av elektrodeavstanden i en elektrolysecelle
US3578569A (en)	1971-05-11	Anode polarization detector
US3632488A (en)	1972-01-04	Reduction cell control system
NO133941B (xx)	1976-04-12
NO173026B (no)	1993-07-05	Fremgangsmaate for regulering av surhetsgraden i et elektrolysebad
US3829365A (en)	1974-08-13	Method of operating a cell for the recovery of aluminum by electrolysis of aluminum oxide in a fluoride melt