GB1219900A - Electrolytic production of magnesium metal - Google Patents

Electrolytic production of magnesium metal

Info

Publication number
GB1219900A
GB1219900A GB5812067A GB5812067A GB1219900A GB 1219900 A GB1219900 A GB 1219900A GB 5812067 A GB5812067 A GB 5812067A GB 5812067 A GB5812067 A GB 5812067A GB 1219900 A GB1219900 A GB 1219900A
Authority
GB
United Kingdom
Prior art keywords
magnesium
molten
chloride
bath
impure
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.)
Expired
Application number
GB5812067A
Inventor
Frank Edgar Love
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.)
NAT LEAD CO
NL Industries Inc
Original Assignee
NAT LEAD CO
NL Industries Inc
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 NAT LEAD CO, NL Industries Inc filed Critical NAT LEAD CO
Priority to GB5812067A priority Critical patent/GB1219900A/en
Publication of GB1219900A publication Critical patent/GB1219900A/en
Expired 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

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

1,219,900. Electrolytic production of magnesium. NATIONAL LEAD CO. Dec.21, 1967, No.58120/67. Heading C7B. Magnesium metal and chlorine are produced by electrolysing at a temperature above the melting point of magnesium a molten salt bath comprising by weight 5 to 25% magnesium chloride and 5 to 55% lithium chloride, the balance consisting of at least one other chloride of an alkali or alkaline earth metal except for small amounts of other salts thereof and impurities, the density of the molten bath being greater than that of magnesium at temperatures in the range of 750 to 900‹C. The molten bath may include calcium, potassium and sodium chlorides and preferably its density exceed that of molten magnesium by 0.034 g/cc at an operating temperature of 750 to 900‹ C. e.g. ca 800‹ C. The molten salt bath used may alternatively consist initially of molten impure magnesium chloride salt containing minor amounts of alkali and alkaline earth metal chlorides including lithium chloride and other salts of alkali and alkaline earth metals such as sulphates, electrolyses being effected to generate chlorine and molten magnesium and periodic additions of impure magnesium chloride are made to replace the magnesium chloride consumed until the lithium chloride content is within the range of 5 to 55% by weight, whereafter upon subsequent additions of impure magnesium chloride a sufficient portion of the bath is removed to maintain the lithium chloride content within this range and the density of the bath above that of molten magnesium. A typical impure magnesium chloride used contains by weight of 81% MgCl 2 , 7% CaCl 2 , 3% each of NaCl and KC1, and 1% LiCl. The electrolysis cell employed is identical with that of Specification 1,144,866.
GB5812067A 1967-12-21 1967-12-21 Electrolytic production of magnesium metal Expired GB1219900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5812067A GB1219900A (en) 1967-12-21 1967-12-21 Electrolytic production of magnesium metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5812067A GB1219900A (en) 1967-12-21 1967-12-21 Electrolytic production of magnesium metal

Publications (1)

Publication Number Publication Date
GB1219900A true GB1219900A (en) 1971-01-20

Family

ID=10480810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5812067A Expired GB1219900A (en) 1967-12-21 1967-12-21 Electrolytic production of magnesium metal

Country Status (1)

Country Link
GB (1) GB1219900A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533442A (en) * 1984-07-31 1985-08-06 Amax Inc. Lithium metal/alloy recovery from multi-component molten salt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533442A (en) * 1984-07-31 1985-08-06 Amax Inc. Lithium metal/alloy recovery from multi-component molten salt

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