EP4158084A4 - CATHODE ARRANGEMENT WITH METALLIC COLLECTOR ROD SYSTEMS FOR ELECTROLYSIS CELLS FOR HALL-HÉROULT PROCESS - Google Patents

CATHODE ARRANGEMENT WITH METALLIC COLLECTOR ROD SYSTEMS FOR ELECTROLYSIS CELLS FOR HALL-HÉROULT PROCESS Download PDF

Info

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)
French (fr)
Other versions
EP4158084A1 (en
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/en
Publication of EP4158084A4 publication Critical patent/EP4158084A4/en
Pending legal-status Critical Current

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
    • C25C3/08—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 CATHODE ARRANGEMENT WITH METALLIC COLLECTOR ROD SYSTEMS FOR ELECTROLYSIS CELLS FOR HALL-HÉROULT PROCESS Pending EP4158084A4 (en)

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 (en) 2020-05-26 2021-05-25 Cathode assembly with metallic collector bar systems for electrolytic cell suitable for the hall-héroult process

Publications (2)

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

Family

ID=71406278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21811764.6A Pending EP4158084A4 (en) 2020-05-26 2021-05-25 CATHODE ARRANGEMENT WITH METALLIC COLLECTOR ROD SYSTEMS FOR ELECTROLYSIS CELLS FOR HALL-HÉROULT PROCESS

Country Status (5)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118401710A (en) * 2021-12-23 2024-07-26 Sec炭素株式会社 Cathode assembly
EP4394089A1 (en) * 2022-12-26 2024-07-03 Dubai Aluminium PJSC Cathode collector bar and cathode assembly for hall-heroult process with low voltage drop and low thermal loss

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 (en) * 2006-04-13 2011-03-02 SGL Carbon SE Cathodes for aluminium electrolysis cell with non-planar slot design
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 (en) * 1975-07-17 1977-02-11 Savoie Electrodes Refactaires PROCESS FOR JOINING METAL BARS WITH CARBON BLOCKS
US4795540A (en) * 1987-05-19 1989-01-03 Comalco Aluminum, Ltd. Slotted cathode collector bar for electrolyte reduction cell
ES2238319T3 (en) * 1999-10-13 2005-09-01 Alcoa Inc. CATHODE COLLECTOR BAR WITH SEPARATOR TO IMPROVE THE THERMAL BALANCE.
RU2209856C1 (en) * 2002-02-28 2003-08-10 Леонов Виктор Васильевич Cathode unit for aluminum electrolyzer
EP1801264A1 (en) 2005-12-22 2007-06-27 Sgl Carbon Ag Cathodes for aluminium electrolysis cell with expanded graphite lining
CN101724857B (en) 2008-10-13 2013-03-27 高德金 Novel steel bar group of cathode block
CN101949035B (en) * 2010-09-30 2012-06-06 广西强强碳素股份有限公司 Novel composite graphitized deformed cathode for aluminium electrolysis
WO2014043066A1 (en) 2012-09-11 2014-03-20 Alcoa Inc. Current collector bar apparatus, system, and method of using the same
DE102013207738A1 (en) * 2013-04-26 2014-10-30 Sgl Carbon Se Cathode block with a groove of varying depth and filled gap
JP6737797B2 (en) 2014-11-18 2020-08-12 ノヴァラム エス． アー． Cathode current collector for Hall-Eru cell
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 (en) * 2016-06-15 2017-12-21 Sgl Cfl Ce Gmbh Cathode block having a novel groove geometry
CN108396334B (en) * 2018-06-07 2020-05-26 东北大学 Aluminum electrolysis cell cathode structure for reducing horizontal current of aluminum liquid

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 (en) * 2006-04-13 2011-03-02 SGL Carbon SE Cathodes for aluminium electrolysis cell with non-planar slot design
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 (en) 2023-04-05
WO2021240353A1 (en) 2021-12-02
SA522441447B1 (en) 2024-03-24
GB202007782D0 (en) 2020-07-08
CA3179811A1 (en) 2021-12-02

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