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
Application number
CH766369A
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 filed Critical
Publication of CH545856A publication Critical patent/CH545856A/xx

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)
  • Closures For Containers (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
CH766369A 1968-05-20 1969-05-20 CH545856A (en)

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 (en) 1974-02-15

Family

ID=24935222

Family Applications (1)

Application Number Title Priority Date Filing Date
CH766369A CH545856A (en) 1968-05-20 1969-05-20

Country Status (7)

Country Link
US (1) US3712857A (en)
JP (1) JPS5025410B1 (en)
CH (1) CH545856A (en)
DE (1) DE1925201B2 (en)
FR (1) FR2008951A1 (en)
GB (1) GB1274892A (en)
NO (1) NO129257B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847761A (en) * 1972-04-06 1974-11-12 Aluminum Co Of America Bath control
CH560767A5 (en) * 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 (en) * 1973-07-25 1976-06-10 Vaw Ver Aluminium Werke Ag PROCEDURE AND ARRANGEMENT FOR OPERATING AN ELECTROLYSIS PLANT, IN PARTICULAR AN ALUMINUM ELECTROLYSIS PLANT
CH594064A5 (en) * 1973-12-20 1977-12-30 Alusuisse
FR2487386A1 (en) * 1980-07-23 1982-01-29 Pechiney Aluminium METHOD AND APPARATUS FOR PRECISELY REGULATING THE INTRODUCTION RATE AND THE ALUMINUM CONTENT OF AN IGNATED ELECTROLYSIS TANK, AND APPLICATION TO THE PRODUCTION OF ALUMINUM
US4425201A (en) 1982-01-27 1984-01-10 Reynolds Metals Company Method for improved alumina control in aluminum electrolytic cells
FR2581660B1 (en) * 1985-05-07 1987-06-05 Pechiney Aluminium PROCESS FOR THE PRECISION OF A LOW ALUMINUM CONTENT IN AN IGNATED ELECTROLYSIS TANK FOR THE PRODUCTION OF ALUMINUM
US4654130A (en) * 1986-05-15 1987-03-31 Reynolds Metals Company Method for improved alumina control in aluminum electrolytic cells employing point feeders
IS3551A7 (en) * 1989-02-24 1990-08-25 Comalco Aluminium Limited Electrolytic cell management (smelting cell) method
NO311623B1 (en) * 1998-03-23 2001-12-17 Norsk Hydro As Process for controlling aluminum oxide supply to electrolysis cells for aluminum production
SE517901C2 (en) * 2000-08-15 2002-07-30 Parker Hannifin Ab Control system for pneumatic drive devices
CA2671066C (en) * 2006-12-19 2016-07-26 Michael Schneller Aluminum production process control

Also Published As

Publication number Publication date
DE1925201A1 (en) 1969-11-27
US3712857A (en) 1973-01-23
GB1274892A (en) 1972-05-17
DE1925201B2 (en) 1980-01-17
NO129257B (en) 1974-03-18
JPS5025410B1 (en) 1975-08-23
FR2008951A1 (en) 1970-01-30

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Legal Events

Date Code Title Description
PL Patent ceased