BR8602039A - Processo de regulacao precisa de um pequeno teor de alumina compreendido entre 1 e 4,5% em uma cuba para a producao de aluminio por eletrolise - Google Patents

Processo de regulacao precisa de um pequeno teor de alumina compreendido entre 1 e 4,5% em uma cuba para a producao de aluminio por eletrolise

Info

Publication number
BR8602039A
BR8602039A BR8602039A BR8602039A BR8602039A BR 8602039 A BR8602039 A BR 8602039A BR 8602039 A BR8602039 A BR 8602039A BR 8602039 A BR8602039 A BR 8602039A BR 8602039 A BR8602039 A BR 8602039A
Authority
BR
Brazil
Prior art keywords
aluminum
feed rate
electrolysis
cell
alumina
Prior art date
Application number
BR8602039A
Other languages
English (en)
Inventor
Michel Leroy
Original Assignee
Pechiney Aluminium
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 Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of BR8602039A publication Critical patent/BR8602039A/pt

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Cell Separators (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Table Devices Or Equipment (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Weting (AREA)
BR8602039A 1985-05-07 1986-05-06 Processo de regulacao precisa de um pequeno teor de alumina compreendido entre 1 e 4,5% em uma cuba para a producao de aluminio por eletrolise BR8602039A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8507319A FR2581660B1 (fr) 1985-05-07 1985-05-07 Procede de regulation precise d'une faible teneur en alumine dans une cuve d'electrolyse ignee pour la production d'aluminium

Publications (1)

Publication Number Publication Date
BR8602039A true BR8602039A (pt) 1987-01-06

Family

ID=9319270

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8602039A BR8602039A (pt) 1985-05-07 1986-05-06 Processo de regulacao precisa de um pequeno teor de alumina compreendido entre 1 e 4,5% em uma cuba para a producao de aluminio por eletrolise

Country Status (22)

Country Link
US (1) US4654129A (pt)
EP (1) EP0201438B1 (pt)
JP (1) JPS61261490A (pt)
CN (1) CN1006307B (pt)
AT (1) ATE44165T1 (pt)
AU (1) AU576152B2 (pt)
BR (1) BR8602039A (pt)
CA (1) CA1251417A (pt)
DE (1) DE3664058D1 (pt)
ES (1) ES8800733A1 (pt)
FR (1) FR2581660B1 (pt)
GR (1) GR861139B (pt)
HU (1) HU205632B (pt)
IN (1) IN164906B (pt)
IS (1) IS1347B6 (pt)
MY (1) MY101644A (pt)
NO (1) NO172192C (pt)
NZ (1) NZ216051A (pt)
OA (1) OA08324A (pt)
PL (1) PL144950B1 (pt)
TR (1) TR22683A (pt)
ZA (1) ZA863380B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605410B1 (fr) * 1986-10-17 1988-11-25 Pechiney Aluminium Procede et dispositif de mesure electrochimique de la concentration en ions oxyde dans un bain a base d'halogenures fondus
ATE133721T1 (de) 1989-02-24 1996-02-15 Comalco Alu Kontrollverfahren für aluminium-schmelzflussöfen
DE59105830D1 (de) * 1990-05-04 1995-08-03 Alusuisse Lonza Services Ag Regulierung und Stabilisierung des A1F3-Gehaltes in einer Aluminiumelektrolysezelle.
ZA915511B (en) * 1990-07-17 1992-04-29 Commw Scient Ind Res Org Rock bolt system and method of rock bolting
FR2749858B1 (fr) * 1996-06-17 1998-07-24 Pechiney Aluminium Procede de regulation de la teneur en alumine du bain des cuves d'electrolyse pour la production d'aluminium
CA2230882C (en) 1997-03-14 2004-08-17 Dubai Aluminium Company Limited Intelligent control of aluminium reduction cells using predictive and pattern recognition techniques
NO311623B1 (no) * 1998-03-23 2001-12-17 Norsk Hydro As Fremgangsmåte for styring av aluminiumoksidtilförsel til elektrolyseceller for fremstilling av aluminium
FR2821364B1 (fr) 2001-02-28 2004-04-09 Pechiney Aluminium Procede de regulation d'une cellule d'electrolyse
US6837982B2 (en) 2002-01-25 2005-01-04 Northwest Aluminum Technologies Maintaining molten salt electrolyte concentration in aluminum-producing electrolytic cell
CA2671066C (en) * 2006-12-19 2016-07-26 Michael Schneller Aluminum production process control
EP2135975A1 (en) 2008-06-16 2009-12-23 Alcan International Limited Method of producing aluminium in an electrolysis cell

Family Cites Families (6)

* 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
US3712857A (en) * 1968-05-20 1973-01-23 Reynolds Metals Co Method for controlling a reduction cell
US3622475A (en) * 1968-08-21 1971-11-23 Reynolds Metals Co Reduction cell control system
FR2487386A1 (fr) * 1980-07-23 1982-01-29 Pechiney Aluminium Procede et appareillage pour reguler de facon precise la cadence d'introduction et la teneur en alumine d'une cuve d'electrolyse ignee, et application a la production d'aluminium
US4425201A (en) * 1982-01-27 1984-01-10 Reynolds Metals Company Method for improved alumina control in aluminum electrolytic cells
NO166821C (no) * 1985-02-21 1991-09-04 Aardal & Sunndal Verk As Fremgangsmaate for styring av aluminiumoksyd-tilfoerselen til elektrolyseovner for fremstilling av aluminium.

Also Published As

Publication number Publication date
FR2581660B1 (fr) 1987-06-05
EP0201438B1 (fr) 1989-06-21
MY101644A (en) 1991-12-31
ES8800733A1 (es) 1987-11-16
HUT45102A (en) 1988-05-30
OA08324A (fr) 1988-02-29
DE3664058D1 (en) 1989-07-27
AU576152B2 (en) 1988-08-11
JPS61261490A (ja) 1986-11-19
NO172192B (no) 1993-03-08
GR861139B (en) 1986-08-21
PL144950B1 (en) 1988-07-30
NO861806L (no) 1986-11-10
ATE44165T1 (de) 1989-07-15
HU205632B (en) 1992-05-28
ZA863380B (en) 1987-02-25
IS1347B6 (is) 1989-03-20
CN1006307B (zh) 1990-01-03
TR22683A (tr) 1988-03-03
US4654129A (en) 1987-03-31
EP0201438A1 (fr) 1986-11-12
CN86103165A (zh) 1986-11-05
IS3095A7 (is) 1986-11-08
CA1251417A (fr) 1989-03-21
FR2581660A1 (fr) 1986-11-14
ES554683A0 (es) 1987-11-16
IN164906B (pt) 1989-07-01
NO172192C (no) 1993-06-16
AU5715786A (en) 1986-11-13
NZ216051A (en) 1989-10-27

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 06/05/2001