EP4158084A4 - Ensemble cathode avec systèmes de barres collectrices métalliques pour cellule d'électrolyse se prêtant au procédé hall-héroult - Google Patents

Ensemble cathode avec systèmes de barres collectrices métalliques pour cellule d'électrolyse se prêtant au procédé hall-héroult Download PDF

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Publication number
EP4158084A4
EP4158084A4 EP21811764.6A EP21811764A EP4158084A4 EP 4158084 A4 EP4158084 A4 EP 4158084A4 EP 21811764 A EP21811764 A EP 21811764A EP 4158084 A4 EP4158084 A4 EP 4158084A4
Authority
EP
European Patent Office
Prior art keywords
hall
electrolysis cells
cathode arrangement
rod systems
collector rod
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP21811764.6A
Other languages
German (de)
English (en)
Other versions
EP4158084A1 (fr
Inventor
Bernard JONQUA
Alexander MUKHANOV
Mustafa MUSTAFA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dubai Aluminium PJSC
Original Assignee
Dubai Aluminium PJSC
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 Dubai Aluminium PJSC filed Critical Dubai Aluminium PJSC
Publication of EP4158084A1 publication Critical patent/EP4158084A1/fr
Publication of EP4158084A4 publication Critical patent/EP4158084A4/fr
Pending legal-status Critical Current

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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
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • 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
    • C25C3/16—Electric current supply devices, e.g. bus bars

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)
EP21811764.6A 2020-05-26 2021-05-25 Ensemble cathode avec systèmes de barres collectrices métalliques pour cellule d'électrolyse se prêtant au procédé hall-héroult Pending EP4158084A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2007782.2A GB2595460A (en) 2020-05-26 2020-05-26 Cathode assembly with metallic collector bar systems for electrolytic cell suitable for the Hall-Héroult process
PCT/IB2021/054511 WO2021240353A1 (fr) 2020-05-26 2021-05-25 Ensemble cathode avec systèmes de barres collectrices métalliques pour cellule d'électrolyse se prêtant au procédé hall-héroult

Publications (2)

Publication Number Publication Date
EP4158084A1 EP4158084A1 (fr) 2023-04-05
EP4158084A4 true EP4158084A4 (fr) 2024-10-16

Family

ID=71406278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21811764.6A Pending EP4158084A4 (fr) 2020-05-26 2021-05-25 Ensemble cathode avec systèmes de barres collectrices métalliques pour cellule d'électrolyse se prêtant au procédé hall-héroult

Country Status (5)

Country Link
EP (1) EP4158084A4 (fr)
CA (1) CA3179811A1 (fr)
GB (1) GB2595460A (fr)
SA (1) SA522441447B1 (fr)
WO (1) WO2021240353A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118401710A (zh) * 2021-12-23 2024-07-26 Sec炭素株式会社 阴极组件
EP4394089A1 (fr) * 2022-12-26 2024-07-03 Dubai Aluminium PJSC Barre collectrice cathodique et ensemble cathodique pour procédé hall-héroult à faible chute de tension et faible perte thermique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6294067B1 (en) * 2000-03-30 2001-09-25 Alcoa Inc. 3 component cathode collector bar
EP1845174B1 (fr) * 2006-04-13 2011-03-02 SGL Carbon SE Cathode pour l'électrolyse de l'aluminium avec une rainure de conception non plane
GB2558936A (en) * 2017-01-23 2018-07-25 Dubai Aluminium Pjsc Cathode assembly with metallic collector bar for electrolytic cell suitable for the Hall-Héroult process

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318244A1 (fr) * 1975-07-17 1977-02-11 Savoie Electrodes Refactaires Procede de jonction de barres metalliques avec des blocs de carbone
US4795540A (en) * 1987-05-19 1989-01-03 Comalco Aluminum, Ltd. Slotted cathode collector bar for electrolyte reduction cell
ES2238319T3 (es) * 1999-10-13 2005-09-01 Alcoa Inc. Barra colectora catodica con separador para mejorar el balance termico.
RU2209856C1 (ru) * 2002-02-28 2003-08-10 Леонов Виктор Васильевич Катодное устройство алюминиевого электролизера
EP1801264A1 (fr) 2005-12-22 2007-06-27 Sgl Carbon Ag Cathodes pour cellule d'électrolyse d'aluminium avec un revêtement en graphite expansé
CN101724857B (zh) 2008-10-13 2013-03-27 高德金 一种阴极碳块钢棒组
CN101949035B (zh) * 2010-09-30 2012-06-06 广西强强碳素股份有限公司 铝电解用新型组合石墨化异型阴极
WO2014043066A1 (fr) 2012-09-11 2014-03-20 Alcoa Inc. Appareil à barre de prélèvement de courant, système et procédé pour son utilisation
DE102013207738A1 (de) * 2013-04-26 2014-10-30 Sgl Carbon Se Kathodenblock mit einer Nut mit variierender Tiefe und gefülltem Zwischenraum
JP6737797B2 (ja) 2014-11-18 2020-08-12 ノヴァラム エス． アー． ホールエルーセルのためのカソード集電体
GB2536901A (en) * 2015-03-30 2016-10-05 Dubai Aluminium Pjsc Cathode block for electrolytic cell suitable for the Hall-Héroult process
GB2542150A (en) * 2015-09-09 2017-03-15 Dubai Aluminium Pjsc Cathode assembly for electrolytic cell suitable for the Hall-Héroult process
DE102016210693A1 (de) * 2016-06-15 2017-12-21 Sgl Cfl Ce Gmbh Kathodenblock aufweisend eine neuartige Nut-Geometrie
CN108396334B (zh) * 2018-06-07 2020-05-26 东北大学 一种用于降低铝液水平电流的铝电解槽阴极结构

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6294067B1 (en) * 2000-03-30 2001-09-25 Alcoa Inc. 3 component cathode collector bar
EP1845174B1 (fr) * 2006-04-13 2011-03-02 SGL Carbon SE Cathode pour l'électrolyse de l'aluminium avec une rainure de conception non plane
GB2558936A (en) * 2017-01-23 2018-07-25 Dubai Aluminium Pjsc Cathode assembly with metallic collector bar for electrolytic cell suitable for the Hall-Héroult process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021240353A1 *

Also Published As

Publication number Publication date
GB2595460A (en) 2021-12-01
EP4158084A1 (fr) 2023-04-05
WO2021240353A1 (fr) 2021-12-02
SA522441447B1 (ar) 2024-03-24
GB202007782D0 (en) 2020-07-08
CA3179811A1 (fr) 2021-12-02

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