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NO304748B1 - Fremgangsmaate for regulering og stabilisering av AlF3-innhold i en aluminiumelektrolysecelle - Google Patents

Fremgangsmaate for regulering og stabilisering av AlF3-innhold i en aluminiumelektrolysecelle Download PDF

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Publication number
NO304748B1
NO304748B1 NO911708A NO911708A NO304748B1 NO 304748 B1 NO304748 B1 NO 304748B1 NO 911708 A NO911708 A NO 911708A NO 911708 A NO911708 A NO 911708A NO 304748 B1 NO304748 B1 NO 304748B1
Authority
NO
Norway
Prior art keywords
aif3
days
content
procedure
supply
Prior art date
Application number
NO911708A
Other languages
English (en)
Norwegian (no)
Other versions
NO911708D0 (no
NO911708L (no
Inventor
Peter Entner
Original Assignee
Alusuisse Lonza Services Ag
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 Alusuisse Lonza Services Ag filed Critical Alusuisse Lonza Services Ag
Publication of NO911708D0 publication Critical patent/NO911708D0/no
Publication of NO911708L publication Critical patent/NO911708L/no
Publication of NO304748B1 publication Critical patent/NO304748B1/no

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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
NO911708A 1990-05-04 1991-04-30 Fremgangsmaate for regulering og stabilisering av AlF3-innhold i en aluminiumelektrolysecelle NO304748B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH152790 1990-05-04

Publications (3)

Publication Number Publication Date
NO911708D0 NO911708D0 (no) 1991-04-30
NO911708L NO911708L (no) 1991-11-05
NO304748B1 true NO304748B1 (no) 1999-02-08

Family

ID=4212527

Family Applications (1)

Application Number Title Priority Date Filing Date
NO911708A NO304748B1 (no) 1990-05-04 1991-04-30 Fremgangsmaate for regulering og stabilisering av AlF3-innhold i en aluminiumelektrolysecelle

Country Status (9)

Country Link
US (1) US5094728A (is)
EP (1) EP0455590B1 (is)
AU (1) AU643006B2 (is)
CA (1) CA2041440A1 (is)
DE (1) DE59105830D1 (is)
ES (1) ES2075401T3 (is)
IS (1) IS1632B (is)
NO (1) NO304748B1 (is)
ZA (1) ZA913260B (is)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19805619C2 (de) * 1998-02-12 2002-08-01 Heraeus Electro Nite Int Verfahren zur Regelung des AlF¶3¶-Gehaltes in Kryolithschmelzen
FR2821364B1 (fr) * 2001-02-28 2004-04-09 Pechiney Aluminium Procede de regulation d'une cellule d'electrolyse
FR2821363B1 (fr) * 2001-02-28 2003-04-25 Pechiney Aluminium Procede de regulation d'une cellule d'electrolyse
EP1344847A1 (de) * 2001-12-03 2003-09-17 Alcan Technology & Management AG Regulierung einer Aluminiumelektrolysezelle
US9771659B2 (en) * 2013-03-13 2017-09-26 Alcoa Usa Corp. Systems and methods of protecting electrolysis cell sidewalls
CN104451779B (zh) * 2014-12-17 2017-01-18 湖南创元铝业有限公司 铝电解槽氟化铝控制方法
WO2020190271A1 (en) * 2019-03-16 2020-09-24 General Electric Company System and method for controlling of smelting pot line
CN117210879B (zh) * 2023-10-12 2025-02-11 中国铝业股份有限公司 一种铝电解槽用氟化铝添加量计算方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380897A (en) * 1964-11-16 1968-04-30 Reynolds Metals Co Method of determining ore concentration
US3471390A (en) * 1965-03-24 1969-10-07 Reynolds Metals Co Alumina concentration meter
NO166821C (no) * 1985-02-21 1991-09-04 Aardal & Sunndal Verk As Fremgangsmaate for styring av aluminiumoksyd-tilfoerselen til elektrolyseovner for fremstilling av aluminium.
DE3564825D1 (en) * 1985-03-18 1988-10-13 Alcan Int Ltd Controlling alf 3 addition to al reduction cell electrolyte
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
US4814050A (en) * 1986-10-06 1989-03-21 Aluminum Company Of America Estimation and control of alumina concentration in hall cells
FR2620738B1 (fr) * 1987-09-18 1989-11-24 Pechiney Aluminium Procede de regulation de l'acidite du bain d'electrolyse par recyclage des produits fluores emis par les cuves d'electrolyse hall-heroult

Also Published As

Publication number Publication date
IS1632B (is) 1996-07-19
NO911708D0 (no) 1991-04-30
AU643006B2 (en) 1993-11-04
CA2041440A1 (en) 1991-11-05
DE59105830D1 (de) 1995-08-03
NO911708L (no) 1991-11-05
ES2075401T3 (es) 1995-10-01
ZA913260B (en) 1992-01-29
EP0455590B1 (de) 1995-06-28
US5094728A (en) 1992-03-10
EP0455590A1 (de) 1991-11-06
AU7601591A (en) 1991-11-07
IS3698A7 (is) 1991-11-05

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