Pyrometallurgical process for treating metal-containing...

Details Pyrometallurgical process for treating metal-containing... Pyrometallurgical process for treating metal-containing...

C - Chemistry, Metallurgy

01

B

C01B 31/30 (2006.01) C01B 31/34 (2006.01) C22B 34/36 (2006.01) C22C 29/08 (2006.01)

Patent

CA 2623200

A process for forming a salt, such as sodium tungstate, using a pyrometallurgical operation is provided. A slagging operation is performed in which a metal-containing material is melted in the presence of slag formers such as sodium metasilicate and silica. The metal predominantly reports to a denser metal-containing phase. The denser metal-containing phase may then be subjected to gas sparging with a carbon-containing gas in order to form metal carbide, preferably tungsten carbide.

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