ZA863380B - Process for accurately maintaining a low alumina content in an electrolytic smelting cell for the production of aluminium - Google Patents

Process for accurately maintaining a low alumina content in an electrolytic smelting cell for the production of aluminium

Info

Publication number
ZA863380B
ZA863380B ZA863380A ZA863380A ZA863380B ZA 863380 B ZA863380 B ZA 863380B ZA 863380 A ZA863380 A ZA 863380A ZA 863380 A ZA863380 A ZA 863380A ZA 863380 B ZA863380 B ZA 863380B
Authority
ZA
South Africa
Prior art keywords
feed rate
cell
alumina content
alumina
nominal
Prior art date
Application number
ZA863380A
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 ZA863380B publication Critical patent/ZA863380B/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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Cell Separators (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Weting (AREA)
  • Table Devices Or Equipment (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ZA863380A 1985-05-07 1986-05-06 Process for accurately maintaining a low alumina content in an electrolytic smelting cell for the production of aluminium ZA863380B (en)

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
ZA863380B true ZA863380B (en) 1987-02-25

Family

ID=9319270

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA863380A ZA863380B (en) 1985-05-07 1986-05-06 Process for accurately maintaining a low alumina content in an electrolytic smelting cell for the production of aluminium

Country Status (22)

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

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
CA2010322C (en) 1989-02-24 1998-08-18 Geoffrey I. Blatch Process for controlling aluminium smelting cells
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 (de) 2008-06-16 2009-12-23 Alcan International Limited Verfahren zur Herstellung von Aluminium in einer Elektrolysezelle

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
IN164906B (de) 1989-07-01
HUT45102A (en) 1988-05-30
AU5715786A (en) 1986-11-13
ES8800733A1 (es) 1987-11-16
TR22683A (tr) 1988-03-03
OA08324A (fr) 1988-02-29
NO172192C (no) 1993-06-16
EP0201438B1 (de) 1989-06-21
IS3095A7 (is) 1986-11-08
FR2581660B1 (fr) 1987-06-05
DE3664058D1 (en) 1989-07-27
HU205632B (en) 1992-05-28
JPS61261490A (ja) 1986-11-19
AU576152B2 (en) 1988-08-11
GR861139B (en) 1986-08-21
EP0201438A1 (de) 1986-11-12
NO172192B (no) 1993-03-08
IS1347B6 (is) 1989-03-20
PL144950B1 (en) 1988-07-30
CA1251417A (fr) 1989-03-21
NZ216051A (en) 1989-10-27
CN1006307B (zh) 1990-01-03
ES554683A0 (es) 1987-11-16
US4654129A (en) 1987-03-31
ATE44165T1 (de) 1989-07-15
FR2581660A1 (fr) 1986-11-14
MY101644A (en) 1991-12-31
CN86103165A (zh) 1986-11-05
BR8602039A (pt) 1987-01-06
NO861806L (no) 1986-11-10

Similar Documents

Publication Publication Date Title
ZA863380B (en) Process for accurately maintaining a low alumina content in an electrolytic smelting cell for the production of aluminium
ES8302124A1 (es) Procedimiento de regulacion precisa de la cadencia de intro-duccion y del contenido en alumina de una cuba destinada a la produccion de aluminio
US3712857A (en) Method for controlling a reduction cell
CN106460210B (zh) 用于控制向用于生产铝的电解池进料铝的方法
GB1270398A (en) Improvements in or relating to reduction cell operation
CA2285992A1 (en) Method for controlling the aif3 content in cryolite melts
RU2023058C1 (ru) Способ управления процессом электролитического получения алюминия в электролизере
US4867851A (en) Process for regulating the acidity of all-Heelectrolytic cells
JPS55145188A (en) Control method for aluminum supply for aluminum electrolytic bath
US3829365A (en) Method of operating a cell for the recovery of aluminum by electrolysis of aluminum oxide in a fluoride melt
Leroy Process for Accurately Regulating the Low Alumina Content of an Igneous Electrolysis Cell for Aluminium Production
SU1235997A1 (ru) Способ определени выхода по току при электролизе алюмини
RU2175030C1 (ru) Способ управления процессом электролитического получения алюминия
Mintsis et al. Modernization of the cathode assembly of aluminum electrolysis cells with Soderberg anode during the AAFS introduction
Entner Regulation and Stabilization of the AlF sub 3 Content in an Aluminum Electrolysis Cell
SU910853A1 (ru) Устройство дл контрол температуры электролита алюминиевого электролизера
SU971918A1 (ru) Способ автоматического управлени работой серии электролизеров
Mashukov et al. Aluminum Electrolytic Cell Series Back EMF Monitoring
Begunov Effect of Gas Phase Flow Rate on the Electrolysis of Cryolite-Alumina Melts
Biedler et al. State observer for the aluminum reduction process
Leroy Low Alumina Content Control in Aluminum Production Cell
JPS56139688A (en) Operating method for aluminum electrolytic cell