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 eletroliseInfo
- 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
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052782 aluminium Inorganic materials 0.000 title abstract 3
- 238000005868 electrolysis reaction Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 4
- 238000009626 Hall-Héroult process Methods 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
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)
- Weting (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Table Devices Or Equipment (AREA)
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 (https=) |
| EP (1) | EP0201438B1 (https=) |
| JP (1) | JPS61261490A (https=) |
| CN (1) | CN1006307B (https=) |
| AT (1) | ATE44165T1 (https=) |
| AU (1) | AU576152B2 (https=) |
| BR (1) | BR8602039A (https=) |
| CA (1) | CA1251417A (https=) |
| DE (1) | DE3664058D1 (https=) |
| ES (1) | ES8800733A1 (https=) |
| FR (1) | FR2581660B1 (https=) |
| GR (1) | GR861139B (https=) |
| HU (1) | HU205632B (https=) |
| IN (1) | IN164906B (https=) |
| IS (1) | IS1347B6 (https=) |
| MY (1) | MY101644A (https=) |
| NO (1) | NO172192C (https=) |
| NZ (1) | NZ216051A (https=) |
| OA (1) | OA08324A (https=) |
| PL (1) | PL144950B1 (https=) |
| TR (1) | TR22683A (https=) |
| ZA (1) | ZA863380B (https=) |
Families Citing this family (11)
| 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 |
| EP0671488A3 (en) | 1989-02-24 | 1996-01-17 | Comalco Alu | Process for controlling aluminum melt flow cell. |
| EP0455590B1 (de) * | 1990-05-04 | 1995-06-28 | 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)
| 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. |
-
1985
- 1985-05-07 FR FR8507319A patent/FR2581660B1/fr not_active Expired
-
1986
- 1986-04-24 IN IN321/CAL/86A patent/IN164906B/en unknown
- 1986-04-29 GR GR861139A patent/GR861139B/el unknown
- 1986-05-02 IS IS3095A patent/IS1347B6/is unknown
- 1986-05-05 NZ NZ216051A patent/NZ216051A/xx unknown
- 1986-05-05 AT AT86420118T patent/ATE44165T1/de not_active IP Right Cessation
- 1986-05-05 US US06/859,907 patent/US4654129A/en not_active Expired - Fee Related
- 1986-05-05 EP EP86420118A patent/EP0201438B1/fr not_active Expired
- 1986-05-05 DE DE8686420118T patent/DE3664058D1/de not_active Expired
- 1986-05-06 AU AU57157/86A patent/AU576152B2/en not_active Ceased
- 1986-05-06 ES ES554683A patent/ES8800733A1/es not_active Expired
- 1986-05-06 CN CN86103165A patent/CN1006307B/zh not_active Expired
- 1986-05-06 PL PL1986259354A patent/PL144950B1/pl unknown
- 1986-05-06 CA CA000508520A patent/CA1251417A/fr not_active Expired
- 1986-05-06 BR BR8602039A patent/BR8602039A/pt not_active IP Right Cessation
- 1986-05-06 ZA ZA863380A patent/ZA863380B/xx unknown
- 1986-05-06 NO NO861806A patent/NO172192C/no unknown
- 1986-05-07 TR TR25030/86A patent/TR22683A/xx unknown
- 1986-05-07 OA OA58855A patent/OA08324A/xx unknown
- 1986-05-07 HU HU861893A patent/HU205632B/hu not_active IP Right Cessation
- 1986-05-07 JP JP61104591A patent/JPS61261490A/ja active Pending
-
1987
- 1987-04-09 MY MYPI87000457A patent/MY101644A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN86103165A (zh) | 1986-11-05 |
| DE3664058D1 (en) | 1989-07-27 |
| IN164906B (https=) | 1989-07-01 |
| ATE44165T1 (de) | 1989-07-15 |
| ZA863380B (en) | 1987-02-25 |
| NO172192B (no) | 1993-03-08 |
| EP0201438A1 (fr) | 1986-11-12 |
| HU205632B (en) | 1992-05-28 |
| AU5715786A (en) | 1986-11-13 |
| US4654129A (en) | 1987-03-31 |
| CA1251417A (fr) | 1989-03-21 |
| MY101644A (en) | 1991-12-31 |
| JPS61261490A (ja) | 1986-11-19 |
| HUT45102A (en) | 1988-05-30 |
| ES8800733A1 (es) | 1987-11-16 |
| OA08324A (fr) | 1988-02-29 |
| NZ216051A (en) | 1989-10-27 |
| TR22683A (tr) | 1988-03-03 |
| FR2581660A1 (fr) | 1986-11-14 |
| FR2581660B1 (fr) | 1987-06-05 |
| EP0201438B1 (fr) | 1989-06-21 |
| PL144950B1 (en) | 1988-07-30 |
| AU576152B2 (en) | 1988-08-11 |
| IS1347B6 (is) | 1989-03-20 |
| CN1006307B (zh) | 1990-01-03 |
| GR861139B (en) | 1986-08-21 |
| NO861806L (no) | 1986-11-10 |
| NO172192C (no) | 1993-06-16 |
| ES554683A0 (es) | 1987-11-16 |
| IS3095A7 (is) | 1986-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR8602039A (pt) | 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 | |
| SK278294B6 (en) | Accurate regulation method of introducing speed and content of aluminium oxide in electrolyzer | |
| EP0129338B1 (en) | Electrolytic treatment method | |
| US4126525A (en) | Method of controlling feed of alumina to an aluminum electrolytic cell | |
| SU793411A3 (ru) | Способ управлени подачей материала в ванну электролизера и устройство дл его осуществлени | |
| 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 | |
| US3829365A (en) | Method of operating a cell for the recovery of aluminum by electrolysis of aluminum oxide in a fluoride melt | |
| JPS55145188A (en) | Control method for aluminum supply for aluminum electrolytic bath | |
| WO2020190271A1 (en) | System and method for controlling of smelting pot line | |
| RU2030487C1 (ru) | Способ получения алюминиево-кремниевых сплавов | |
| US3859184A (en) | Method of operation of a cell for recovery of aluminium byelectrolysis of aluminium oxide in a fluoride melt | |
| SU971918A1 (ru) | Способ автоматического управлени работой серии электролизеров | |
| Leroy | Process for Accurately Regulating the Low Alumina Content of an Igneous Electrolysis Cell for Aluminium Production | |
| Mintsis et al. | Modernization of the cathode assembly of aluminum electrolysis cells with Soderberg anode during the AAFS introduction | |
| Biedler et al. | State observer for the aluminum reduction process | |
| JPS61227191A (ja) | 溶融塩浴中溶解金属含量の連続的調整法及び電解槽への前記金属の塩の連続的供給における前記方法の使用 | |
| CS266954B1 (sk) | Sposob regulácie medzielektródovej vzdialenosti elektrolyzóra na výrobu hlinlka |
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 |