Thermal production of magnesium

Details Thermal production of magnesium Thermal production of magnesium

Category

C - Chemistry, Metallurgy

Subcategory

22

Subsubcategory

B

CPC

53/264, 327/72

IPC codes

C22B 4/02 (2006.01) C22B 4/00 (2006.01) C22B 5/04 (2006.01) C22B 9/10 (2006.01) C22B 26/22 (2006.01)

Type

Patent

Patent number

CA 1278431

Description

ABSTRACT A process is provided for the production of magnesium from magnesium oxide, generally in the form of calcined dolomite, in which magnesium vapour is produced in a heated reaction zone from solid reactants fed substantially continuously to such reaction zone. The solid reactants include a reductant and optionally a slag forming agent, preferably ferrosilicon and alumina respectively. The reaction zone is heated by a thermal plasma, the electrical current of which includes the furnace bath as an integral part of it. The plasma forming gas is preferably argon.

Application Number

517706

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