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IS3698A7 - Stjórnun á stöðugleika álflúoríðsmagns í rafgreiningarkeri - Google Patents

Stjórnun á stöðugleika álflúoríðsmagns í rafgreiningarkeri

Info

Publication number
IS3698A7
IS3698A7 IS3698A IS3698A IS3698A7 IS 3698 A7 IS3698 A7 IS 3698A7 IS 3698 A IS3698 A IS 3698A IS 3698 A IS3698 A IS 3698A IS 3698 A7 IS3698 A7 IS 3698A7
Authority
IS
Iceland
Prior art keywords
control
aluminum fluoride
electrolytic tanks
fluoride stability
stability
Prior art date
Application number
IS3698A
Other languages
English (en)
Other versions
IS1632B (is
Inventor
Entner Peter
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 IS3698A7 publication Critical patent/IS3698A7/is
Publication of IS1632B publication Critical patent/IS1632B/is

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/20Automatic 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)
IS3698A 1990-05-04 1991-05-02 Stjórnun á stöðugleika álflúoríðsmagns í rafgreiningarkeri IS1632B (is)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IS3698A7 true IS3698A7 (is) 1991-11-05
IS1632B IS1632B (is) 1996-07-19

Family

ID=4212527

Family Applications (1)

Application Number Title Priority Date Filing Date
IS3698A IS1632B (is) 1990-05-04 1991-05-02 Stjórnun á stöðugleika álflúoríðsmagns í rafgreiningarkeri

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
BR112015021941B1 (pt) * 2013-03-13 2022-08-16 Alcoa Usa Corp Célula de eletrólise, conjunto e método para proteger paredes laterais de célula de eletrólise
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.
EP0195142B1 (en) * 1985-03-18 1988-09-07 Alcan International Limited 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
US5094728A (en) 1992-03-10
NO911708L (no) 1991-11-05
AU7601591A (en) 1991-11-07
NO911708D0 (no) 1991-04-30
CA2041440A1 (en) 1991-11-05
AU643006B2 (en) 1993-11-04
ZA913260B (en) 1992-01-29
NO304748B1 (no) 1999-02-08
DE59105830D1 (de) 1995-08-03
ES2075401T3 (es) 1995-10-01
EP0455590A1 (de) 1991-11-06
IS1632B (is) 1996-07-19
EP0455590B1 (de) 1995-06-28

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