RU2005133440A - METHOD FOR ELECTROLYSIS OF ALUMINUM SULPHIDE - Google Patents

METHOD FOR ELECTROLYSIS OF ALUMINUM SULPHIDE Download PDF

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Publication number
RU2005133440A
RU2005133440A RU2005133440/02A RU2005133440A RU2005133440A RU 2005133440 A RU2005133440 A RU 2005133440A RU 2005133440/02 A RU2005133440/02 A RU 2005133440/02A RU 2005133440 A RU2005133440 A RU 2005133440A RU 2005133440 A RU2005133440 A RU 2005133440A
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RU
Russia
Prior art keywords
bath
electrolysis
cryolite
carried out
chloride salt
Prior art date
Application number
RU2005133440/02A
Other languages
Russian (ru)
Other versions
RU2341591C2 (en
Inventor
ДЕР ПЛАС Дитрих Виллем ВАН (NL)
ДЕР ПЛАС Дитрих Виллем ВАН
Стевен Кристиан ЛАНС (NL)
Стевен Кристиан ЛАНС
Маркус Андреас РЕТЕР (NL)
Маркус Андреас РЕТЕР
Мпиа Сирил Роже МАМБОТ (NL)
Мпиа Сирил Роже МАМБОТ
САНДВЕЙК Антони ВАН (NL)
САНДВЕЙК Антони ВАН
Янпинг СЯО (NL)
Янпинг СЯО
Original Assignee
Корус Алюминиум Вальцпродукте Гмбх (De)
Корус Алюминиум Вальцпродукте Гмбх
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Application filed by Корус Алюминиум Вальцпродукте Гмбх (De), Корус Алюминиум Вальцпродукте Гмбх filed Critical Корус Алюминиум Вальцпродукте Гмбх (De)
Publication of RU2005133440A publication Critical patent/RU2005133440A/en
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Publication of RU2341591C2 publication Critical patent/RU2341591C2/en

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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
    • C25C3/18—Electrolytes
    • 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

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  • 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)

Claims (12)

1. Способ производства первичного алюминия электролизом Al2S3 с использованием ванны расплавленной хлоридной соли, в которой растворен Al2S3, причем ванна по существу не содержит MgCl2, и при этом в ванну вводят добавку, содержащую фторидное соединение, для улучшения электропроводности ванны с тем, чтобы сделать возможным увеличение плотности тока в ванне.1. A method of producing primary aluminum by electrolysis of Al 2 S 3 using a bath of molten chloride salt in which Al 2 S 3 is dissolved, the bath being substantially free of MgCl 2 , and an additive containing a fluoride compound is introduced into the bath to improve electrical conductivity baths in order to make it possible to increase the current density in the bath. 2. Способ по п.1, в котором добавка главным образом состоит из фторидного соединения.2. The method according to claim 1, in which the additive mainly consists of a fluoride compound. 3. Способ по п.1 или 2, в котором фторидное соединение представляет собой криолит.3. The method according to claim 1 or 2, in which the fluoride compound is a cryolite. 4. Способ по п.3, в котором концентрация криолита находится в диапазоне от 5 до 30 мас.%.4. The method according to claim 3, in which the concentration of cryolite is in the range from 5 to 30 wt.%. 5. Способ по п.3, в котором концентрация криолита находится в диапазоне от 7 до 15 мас.%, а предпочтительно составляет примерно 10 мас.%.5. The method according to claim 3, in which the concentration of cryolite is in the range from 7 to 15 wt.%, And preferably is about 10 wt.%. 6. Способ по п.1, в котором увеличивают эффективную площадь поверхности анода, простирающегося в ванну, посредством уменьшения количества и/или размера покрывающих анод газовых пузырьков.6. The method according to claim 1, in which the effective surface area of the anode extending into the bath is increased by reducing the number and / or size of the gas bubbles covering the anode. 7. Способ по п.1, в котором ванна расплавленной хлоридной соли главным образом содержит хлориды щелочных металлов.7. The method according to claim 1, in which the bath of molten chloride salt mainly contains alkali metal chlorides. 8. Способ по п.1, в котором ванна расплавленной хлоридной соли главным образом содержит KCl и NaCl.8. The method according to claim 1, in which the bath of molten chloride salt mainly contains KCl and NaCl. 9. Способ по п.1, в котором ванна расплавленного металла, по существу, не содержит хлоридов щелочноземельных металлов.9. The method according to claim 1, in which the molten metal bath essentially does not contain alkaline earth metal chlorides. 10. Способ по п.1, в котором электролиз осуществляют при температуре ванны между 600 и 850°С.10. The method according to claim 1, in which the electrolysis is carried out at a bath temperature between 600 and 850 ° C. 11. Способ по п.1, в котором электролиз осуществляют при температуре ванны между 700 и 800°С.11. The method according to claim 1, in which the electrolysis is carried out at a bath temperature between 700 and 800 ° C. 12. Способ по п.1, в котором электролиз осуществляют в многополюсном электролизере.12. The method according to claim 1, in which the electrolysis is carried out in a multipolar electrolyzer.
RU2005133440/02A 2003-03-31 2004-03-31 Method of aluminium sulfide electrolysis RU2341591C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03075948 2003-03-31
EP03075948.4 2003-03-31

Publications (2)

Publication Number Publication Date
RU2005133440A true RU2005133440A (en) 2006-06-10
RU2341591C2 RU2341591C2 (en) 2008-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005133440/02A RU2341591C2 (en) 2003-03-31 2004-03-31 Method of aluminium sulfide electrolysis

Country Status (8)

Country Link
US (1) US20080202939A1 (en)
EP (1) EP1625245A2 (en)
JP (1) JP4975431B2 (en)
AU (1) AU2004225794B8 (en)
CA (1) CA2520798C (en)
NO (1) NO20055027L (en)
RU (1) RU2341591C2 (en)
WO (1) WO2004088000A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE466974T1 (en) * 2005-03-31 2010-05-15 Aleris Aluminum Koblenz Gmbh METHOD AND DEVICE FOR PRODUCING ALUMINUM
US7867373B2 (en) 2005-04-01 2011-01-11 Aleris Aluminum Koblenz Gmbh Method and apparatus for the production of aluminum
KR101290586B1 (en) * 2012-04-25 2013-07-30 한국수력원자력 주식회사 Decontamination method of cladding hull wastes generated from spent nuclear fuel and apparatus thereof
JP2014237873A (en) * 2013-06-07 2014-12-18 住友電気工業株式会社 Method for producing molten salt, molten salt, and method for producing aluminum
CA2917342C (en) * 2013-07-09 2018-05-29 Obshchestvo S Ogranichennoy Otvetstvennost'yu "Obedinennaya Kompaniya Rusal Inzhenerno-Tekhnologicheskiy Tsentr" Electrolyte for obtaining melts using an aluminum electrolyzer
WO2019094921A1 (en) * 2017-11-13 2019-05-16 Chromalox, Inc. Medium voltage molten salt heater and molten salt thermal energy storage system including same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB484014A (en) * 1936-12-04 1938-04-29 Daniel Gardner Improvements in or relating to electrolytic processes for the manufacture of aluminium
US2939824A (en) * 1957-07-26 1960-06-07 Kaiser Aluminium Chem Corp Method and apparatus for the production of aluminum
US4133727A (en) * 1977-05-17 1979-01-09 Aluminum Company Of America Method for extracting heat from a chamber containing a molten salt
JPS54114410A (en) * 1978-02-27 1979-09-06 Shirou Yoshizawa Production of metal aluminium
US4265716A (en) * 1979-06-14 1981-05-05 The United States Of America As Represented By The United States Department Of Energy Method of winning aluminum metal from aluminous ore
US4464234A (en) * 1982-04-01 1984-08-07 The United States Of America As Represented By The United States Department Of Energy Production of aluminum metal by electrolysis of aluminum sulfide
DE3412114A1 (en) * 1984-03-31 1985-10-10 Brown, Boveri & Cie Ag, 6800 Mannheim Process for producing aluminium
ATE305985T1 (en) * 1998-12-18 2005-10-15 Corus Technology Bv METHOD FOR PRODUCING ALUMINUM FROM ALUMINUM OXIDE VIA ALUMINUM SULFIDE PROCESS

Also Published As

Publication number Publication date
AU2004225794A8 (en) 2009-10-22
NO20055027L (en) 2005-10-28
EP1625245A2 (en) 2006-02-15
RU2341591C2 (en) 2008-12-20
US20080202939A1 (en) 2008-08-28
WO2004088000A3 (en) 2005-01-13
CA2520798C (en) 2009-06-16
AU2004225794B8 (en) 2009-10-22
JP2006522220A (en) 2006-09-28
AU2004225794B2 (en) 2009-08-20
AU2004225794A1 (en) 2004-10-14
CA2520798A1 (en) 2004-10-14
WO2004088000A2 (en) 2004-10-14
JP4975431B2 (en) 2012-07-11

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Effective date: 20140401