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BR8601180A - Processo para controlar a adicao de a1f3 a um eletrolito - Google Patents

Processo para controlar a adicao de a1f3 a um eletrolito

Info

Publication number
BR8601180A
BR8601180A BR8601180A BR8601180A BR8601180A BR 8601180 A BR8601180 A BR 8601180A BR 8601180 A BR8601180 A BR 8601180A BR 8601180 A BR8601180 A BR 8601180A BR 8601180 A BR8601180 A BR 8601180A
Authority
BR
Brazil
Prior art keywords
electrolyte
addition
control
Prior art date
Application number
BR8601180A
Other languages
English (en)
Inventor
Paul Desclaux
Jean-Paul Robert Huni
Original Assignee
Alcan Int Ltd
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 Alcan Int Ltd filed Critical Alcan Int Ltd
Publication of BR8601180A publication Critical patent/BR8601180A/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)
  • Secondary Cells (AREA)
BR8601180A 1985-03-18 1986-03-17 Processo para controlar a adicao de a1f3 a um eletrolito BR8601180A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85301855A EP0195142B1 (en) 1985-03-18 1985-03-18 Controlling alf 3 addition to al reduction cell electrolyte

Publications (1)

Publication Number Publication Date
BR8601180A true BR8601180A (pt) 1986-11-25

Family

ID=8194169

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8601180A BR8601180A (pt) 1985-03-18 1986-03-17 Processo para controlar a adicao de a1f3 a um eletrolito

Country Status (6)

Country Link
US (1) US4668350A (pt)
EP (1) EP0195142B1 (pt)
AU (1) AU5485486A (pt)
BR (1) BR8601180A (pt)
DE (1) DE3564825D1 (pt)
NO (1) NO861021L (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0455590B1 (de) * 1990-05-04 1995-06-28 Alusuisse-Lonza Services Ag Regulierung und Stabilisierung des A1F3-Gehaltes in einer Aluminiumelektrolysezelle
FR2753727B1 (fr) * 1996-09-25 1998-10-23 Procede de regulation de la temperature du bain d'une cuve d'electrolyse pour la production d'aluminium
DE19805619C2 (de) * 1998-02-12 2002-08-01 Heraeus Electro Nite Int Verfahren zur Regelung des AlF¶3¶-Gehaltes in Kryolithschmelzen
RU2189403C2 (ru) * 2000-12-05 2002-09-20 Закрытое акционерное общество "ТоксСофт" Способ управления электролизерами для получения алюминия и устройство для его осуществления
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
RU2234558C1 (ru) * 2003-02-19 2004-08-20 Открытое акционерное общество "Надвоицкий алюминиевый завод" Способ ведения электролиза в алюминиевых электролизерах с обожженными анодами
US7112269B2 (en) 2003-08-21 2006-09-26 Alcoa, Inc. Measuring duct offgas temperatures to improve electrolytic cell energy efficiency
US7255783B2 (en) * 2003-08-21 2007-08-14 Alcoa Inc. Use of infrared imaging to reduce energy consumption and fluoride consumption
RU2255149C1 (ru) * 2004-05-05 2005-06-27 Общество с ограниченной ответственностью "Инженерно-технологический центр" Способ управления алюминиевым электролизером при изменении скорости растворения глинозема
RU2284378C1 (ru) * 2005-06-22 2006-09-27 Общество с ограниченной ответственностью "Инженерно-технологический центр" Автономный измерительный блок для асу тп электролиза алюминия
RU2307881C1 (ru) * 2005-12-22 2007-10-10 Общество с ограниченной ответственностью "Русская инжиниринговая компания" Способ автоматического контроля технологического состояния алюминиевого электролизера
RU2301288C1 (ru) * 2006-01-10 2007-06-20 Александр Иванович Громыко Устройство контроля технологических параметров алюминиевых электролизеров
CN102373487A (zh) * 2010-08-05 2012-03-14 中国铝业股份有限公司 一种预焙铝电解槽氟化盐添加控制方法
CN102605388B (zh) * 2012-03-15 2014-12-03 河南中孚实业股份有限公司 一种铝电解槽氟化铝添加的方法
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH262339A (fr) * 1942-06-30 1949-06-30 Ferrand Louis Four d'électrolyse par voie ignée.
US3625842A (en) * 1968-05-24 1971-12-07 Kaiser Aluminium Chem Corp Alumina feed control
US4045308A (en) * 1976-11-04 1977-08-30 Aluminum Company Of America Bath level set point control in an electrolytic cell and method of operating same
FR2483965A1 (fr) * 1980-06-06 1981-12-11 Aluminium Grece Procede et appareillage de controle de l'alimentation en alumine d'une cellule pour la production d'aluminium par electrolyse
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

Also Published As

Publication number Publication date
AU5485486A (en) 1986-09-25
DE3564825D1 (en) 1988-10-13
EP0195142B1 (en) 1988-09-07
EP0195142A1 (en) 1986-09-24
NO861021L (no) 1986-09-19
US4668350A (en) 1987-05-26

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