GB1208079A - Thermal process for the production of magnesium - Google Patents

Thermal process for the production of magnesium

Info

Publication number
GB1208079A
GB1208079A GB1913468A GB1913468A GB1208079A GB 1208079 A GB1208079 A GB 1208079A GB 1913468 A GB1913468 A GB 1913468A GB 1913468 A GB1913468 A GB 1913468A GB 1208079 A GB1208079 A GB 1208079A
Authority
GB
United Kingdom
Prior art keywords
alloy
weight
production
mixture
magnesium
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
GB1913468A
Inventor
Richard Paul Rhodes
Julian Miles Avery
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering Co
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 Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of GB1208079A publication Critical patent/GB1208079A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/20—Obtaining alkaline earth metals or magnesium
    • C22B26/22—Obtaining magnesium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/06—Dry methods smelting of sulfides or formation of mattes by carbides or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

1,208,079. Production of Mg and an Al-Si-Fe alloy. ESSO RESEARCH & ENG. CO. April 23, 1968 [May 1, 1967], No.19134/68. Headings C7A and C7D. Magnesium metal is produced by reducing a mixture of calcined dolomite and magnesia, containing 50-80% MgO and 20-50% CaO, with an Al-Si-Fe alloy (e.g. 3-8 parts of weight of the mixture per part of the alloy) at 1575-1700‹C (e.g. 1625‹C) and at a pressure of 0À5-2 atmospheres (e.g. 1 atmosphere), the amount of the reactants being so adjusted that in the final slag, the weight of CaO is equal to 0À5-1À1 (weight of Al2O3) + 1À0-1À6 (weight of SiO2). The reducing alloy may comprise 40-90% Al and 1-20% Fe, the balance being at least 9% Si, and is preferably produced by electric arc melting (e.g. at 1800-2500‹ C and a pressure of 0À5- 2 atmospheres) of a mixture of Al2O3 (bauxite), SiO2 (clay) and iron oxide in the presence of carbon. A valuable by-product of the magnesium production is ferro silicon (e.g. containing 30-80% Si). A Fe-Si-Caalloy may also be produced which can be treated to recover the elements therein.
GB1913468A 1967-05-01 1968-04-23 Thermal process for the production of magnesium Expired GB1208079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63498267A 1967-05-01 1967-05-01

Publications (1)

Publication Number Publication Date
GB1208079A true GB1208079A (en) 1970-10-07

Family

ID=24545933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1913468A Expired GB1208079A (en) 1967-05-01 1968-04-23 Thermal process for the production of magnesium

Country Status (2)

Country Link
FR (1) FR1563391A (en)
GB (1) GB1208079A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116024426A (en) * 2022-01-14 2023-04-28 中南大学 Honeycomb magnesium/calcium smelting block and preparation and smelting methods thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116024426A (en) * 2022-01-14 2023-04-28 中南大学 Honeycomb magnesium/calcium smelting block and preparation and smelting methods thereof

Also Published As

Publication number Publication date
FR1563391A (en) 1969-04-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees