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WO2015024030A3 - Molten salt electrolysis apparatus and process - Google Patents

Molten salt electrolysis apparatus and process Download PDF

Info

Publication number
WO2015024030A3
WO2015024030A3 PCT/ZA2014/000038 ZA2014000038W WO2015024030A3 WO 2015024030 A3 WO2015024030 A3 WO 2015024030A3 ZA 2014000038 W ZA2014000038 W ZA 2014000038W WO 2015024030 A3 WO2015024030 A3 WO 2015024030A3
Authority
WO
WIPO (PCT)
Prior art keywords
molten salt
electrolysis apparatus
salt electrolysis
anode
alkaline earth
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.)
Ceased
Application number
PCT/ZA2014/000038
Other languages
French (fr)
Other versions
WO2015024030A2 (en
Inventor
David Steyn Van Vuuren
Dewald TERBLANCHE
Eugene SWANEPOEL
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.)
Council for Scientific and Industrial Research CSIR
Original Assignee
Council for Scientific and Industrial Research CSIR
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 Council for Scientific and Industrial Research CSIR filed Critical Council for Scientific and Industrial Research CSIR
Priority to US14/911,135 priority Critical patent/US20160215405A1/en
Priority to EP14836690.9A priority patent/EP3033443B1/en
Publication of WO2015024030A2 publication Critical patent/WO2015024030A2/en
Publication of WO2015024030A3 publication Critical patent/WO2015024030A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • C25C3/04—Electrolytic production, recovery or refining of metals by electrolysis of melts of magnesium
    • 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
    • C25C3/02—Electrolytic production, recovery or refining of metals by electrolysis of melts of alkali or alkaline earth metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/005—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells of cells for the electrolysis of melts
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/02—Electrodes; Connections thereof
    • C25C7/025—Electrodes; Connections thereof used in cells for the electrolysis of melts

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)

Abstract

The invention provides a process and an apparatus for the production of a metal selected from metallic alkali metals, M, and alkaline earth metals, Mac from the molten salts thereof, the apparatus including at least an electrochemical cell with planar anodes and cathodes installed in the following sequence: {a-c-a)n to produce alkali metal or alkaline earth metals electrolytically!y from the respective chloride salts thereof, wherein n represents the number of times the sequence of anode-cathode-anode is repeated.
PCT/ZA2014/000038 2013-08-16 2014-08-15 Molten salt electrolysis apparatus and process Ceased WO2015024030A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/911,135 US20160215405A1 (en) 2013-08-16 2014-08-15 Molten salt electrolysis apparatus and process
EP14836690.9A EP3033443B1 (en) 2013-08-16 2014-08-15 Molten salt electrolysis apparatus and process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201306171 2013-08-16
ZA2013/06171 2013-08-16

Publications (2)

Publication Number Publication Date
WO2015024030A2 WO2015024030A2 (en) 2015-02-19
WO2015024030A3 true WO2015024030A3 (en) 2015-07-23

Family

ID=52468831

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2014/000038 Ceased WO2015024030A2 (en) 2013-08-16 2014-08-15 Molten salt electrolysis apparatus and process

Country Status (3)

Country Link
US (1) US20160215405A1 (en)
EP (1) EP3033443B1 (en)
WO (1) WO2015024030A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI129211B (en) 2018-09-11 2021-09-30 Tercosys Oy Energy control method and arrangement
CN113493918B (en) * 2020-04-01 2024-09-27 青海北辰科技有限公司 Low constant temperature airtight magnesium electrolysis device
DE102022000153A1 (en) 2022-01-17 2023-07-20 KS iPR UG (haftungsbeschränkt) ELECTROLYTE MEMBRANE FOR THE SEPARATION OF WATER VAPOR INTO HYDROGEN AND OXYGEN USING ELECTRIC ENERGY AND/OR GENERATION OF ELECTRICAL ENERGY USING HYDROGEN AND OXYGEN BY A LITHIATED IRON OXIDE - IRON REDOX REACTION IN A LIQUID CARBONATE SALT

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020139667A1 (en) * 2001-03-29 2002-10-03 Guangxin Wang Methods for electrically forming materials; and mixed metal materials
US6497807B1 (en) * 1998-02-11 2002-12-24 Northwest Aluminum Technologies Electrolyte treatment for aluminum reduction
US20120318667A1 (en) * 2009-12-18 2012-12-20 Aluminum Corporation Of China Limited Electrolytic Cell for Producing Primary Aluminum by Using Inert Anode

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1501756A (en) 1922-08-18 1924-07-15 Roessler & Hasslacher Chemical Electrolytic process and cell
DE1558726B2 (en) 1951-01-28 1973-09-06 ELECTROLYZING CELL
US3544444A (en) 1967-05-19 1970-12-01 Du Pont Fused salt electrolysis cell having anode with tapered well therein
US5904821A (en) 1997-07-25 1999-05-18 E. I. Du Pont De Nemours And Company Fused chloride salt electrolysis cell

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6497807B1 (en) * 1998-02-11 2002-12-24 Northwest Aluminum Technologies Electrolyte treatment for aluminum reduction
US20020139667A1 (en) * 2001-03-29 2002-10-03 Guangxin Wang Methods for electrically forming materials; and mixed metal materials
US20120318667A1 (en) * 2009-12-18 2012-12-20 Aluminum Corporation Of China Limited Electrolytic Cell for Producing Primary Aluminum by Using Inert Anode

Also Published As

Publication number Publication date
EP3033443A2 (en) 2016-06-22
US20160215405A1 (en) 2016-07-28
WO2015024030A2 (en) 2015-02-19
EP3033443B1 (en) 2018-03-28

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