C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/264, 327/72
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)
Patent
CA 1278431
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.
517706
Barcza Nicholas Adrian
Schoukens Albert Francois Simon
Council For Mineral Technology
Samancor Limited
Sim & Mcburney
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