RO81214B - METODA SI DISPOZITIV PENTRU CONTROLUL NIVELULUI DE REFERINTA îN BAIA ELECTROLITICA - Google Patents

METODA SI DISPOZITIV PENTRU CONTROLUL NIVELULUI DE REFERINTA îN BAIA ELECTROLITICA

Info

Publication number
RO81214B
RO81214B RO91320A RO9132077A RO81214B RO 81214 B RO81214 B RO 81214B RO 91320 A RO91320 A RO 91320A RO 9132077 A RO9132077 A RO 9132077A RO 81214 B RO81214 B RO 81214B
Authority
RO
Romania
Prior art keywords
level
bath
cell
salt
reference level
Prior art date
Application number
RO91320A
Other languages
English (en)
Romanian (ro)
Other versions
RO81214A (ro
Inventor
Russell Lee White
Kenneth Lee Edwards
Original Assignee
Aluminum Company Of America
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.)
Filing date
Publication date
Application filed by Aluminum Company Of America filed Critical Aluminum Company Of America
Publication of RO81214A publication Critical patent/RO81214A/ro
Publication of RO81214B publication Critical patent/RO81214B/ro

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)
  • Control Of Non-Electrical Variables (AREA)
RO91320A 1976-11-04 1977-08-10 METODA SI DISPOZITIV PENTRU CONTROLUL NIVELULUI DE REFERINTA îN BAIA ELECTROLITICA RO81214B (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/738,657 US4045308A (en) 1976-11-04 1976-11-04 Bath level set point control in an electrolytic cell and method of operating same

Publications (2)

Publication Number Publication Date
RO81214A RO81214A (ro) 1984-01-14
RO81214B true RO81214B (ro) 1984-01-30

Family

ID=24968925

Family Applications (1)

Application Number Title Priority Date Filing Date
RO91320A RO81214B (ro) 1976-11-04 1977-08-10 METODA SI DISPOZITIV PENTRU CONTROLUL NIVELULUI DE REFERINTA îN BAIA ELECTROLITICA

Country Status (6)

Country Link
US (1) US4045308A (enExample)
JP (1) JPS5357110A (enExample)
DE (1) DE2729945C2 (enExample)
NL (1) NL7708044A (enExample)
RO (1) RO81214B (enExample)
SU (1) SU793411A3 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3564825D1 (en) * 1985-03-18 1988-10-13 Alcan Int Ltd Controlling alf 3 addition to al reduction cell electrolyte
EP0195143B1 (en) * 1985-03-18 1988-10-26 Alcan International Limited Controlling aluminium reduction cell operation
FR2614320B1 (fr) * 1987-04-21 1989-06-30 Pechiney Aluminium Procede et dispositif de controle des additions d'electrolyse solide dans les cuves d'electrolyse pour la production d'aluminium.
JPH032707U (enExample) * 1989-05-30 1991-01-11
AU2003903150A0 (en) * 2003-06-20 2003-07-03 Bhp Billiton Innovation Pty Ltd Electrochemical reduction of metal oxides
CN1882718A (zh) * 2003-09-26 2006-12-20 Bhp比利顿创新公司 金属氧化物的电化学还原
US20080047845A1 (en) * 2003-10-14 2008-02-28 Gregory David Rigby Electrochemical Reduction of Metal Oxides
CN101006204A (zh) * 2004-06-22 2007-07-25 Bhp比利顿创新公司 金属氧化物的电化学还原
EP1789609A4 (en) * 2004-07-30 2008-11-12 Bhp Billiton Innovation Pty ELECTROCHEMICAL REDUCTION OF METAL OXIDES
CN105624740A (zh) * 2014-10-30 2016-06-01 宁波创润新材料有限公司 测量方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629079A (en) * 1968-02-23 1971-12-21 Kaiser Aluminium Chem Corp Alumina feed control
US3622475A (en) * 1968-08-21 1971-11-23 Reynolds Metals Co Reduction cell control system
US3632488A (en) * 1969-01-23 1972-01-04 Reynolds Metals Co Reduction cell control system

Also Published As

Publication number Publication date
JPS5357110A (en) 1978-05-24
SU793411A3 (ru) 1980-12-30
NL7708044A (nl) 1978-05-08
JPS5653636B2 (enExample) 1981-12-19
DE2729945C2 (de) 1983-01-05
RO81214A (ro) 1984-01-14
US4045308A (en) 1977-08-30
DE2729945A1 (de) 1978-05-18

Similar Documents

Publication Publication Date Title
RO81214B (ro) METODA SI DISPOZITIV PENTRU CONTROLUL NIVELULUI DE REFERINTA îN BAIA ELECTROLITICA
US3906353A (en) Oscillator circuit for providing a conductivity ratio of sea water
JPS56143915A (en) Measuring device for gas flow rate
US3582767A (en) Apparatus having an integrated amplifiers for monitoring the conductivity of solutions
JPS5291490A (en) Measuring bridge for tester utilizing eddy current
FR2315694A1 (fr) Appareil de determination des quantites de matiere par mesure du courant consomme par electrolyse
JPS56160608A (en) Method of measuring surface area of object to be plated
JPS5482288A (en) Measuring apparatus of local corrosion susceptibility
JPS5333691A (en) Measurement of alternating current corrosion
GB2109940A (en) Method and apparatus for controlling the liquid metal level in a continuous casting mould
JPS56141548A (en) Device for deciding electric resistance change rate of cast iron
SU623098A1 (ru) Способ контрол состо ни футеровки плавильного агрегата
SU493719A1 (ru) Гальваническа чейка на твердом электролите
SU119731A1 (ru) Способ определени коэффициента пропорциональности при электромагнитном методе измерени морских течений
GB1335790A (en) Methods and apparatus for detecting low-boiling constituents in liquids
SU850741A1 (ru) Способ контрол температурыэлЕКТРОлиТА
JPS5320368A (en) Measuring device for resistance of conductor
JPS5313987A (en) Measuring method for water content of nonfreezing liquid, brake liquid, and so on, for automobile
SU599198A2 (ru) Импульсное индукционное устройство
SU427228A1 (ru) Устройство для измерения толщиныосадка
RO88138B1 (ro) Rotametru indicator
JPS56125624A (en) Measuring apparatus of molten metal level
JPS51146880A (en) Temperature measuring device
PL109989B1 (en) Fluid conductivity meter
JPS57173722A (en) Fused steel surface level meter