Process for thermal dissociation of molybdenum disulfide

Details Process for thermal dissociation of molybdenum disulfide Process for thermal dissociation of molybdenum disulfide

C - Chemistry, Metallurgy

22

B

53/146

C22B 34/34 (2006.01) C22B 5/12 (2006.01)

Patent

CA 1039511

PROCESS FOR THERMAL DISSOCIATION OF MOLYBDENUM DISULFIDE abstract of the Disclosure A process for preparing metallic molybdenum of relatively high purity by agglomerating a finely-particulated molybdenite concentrate consisting predominantly of molybdenum disulfide into a plurality of briquettes and heating the briquettes at an elevated temperature under vacuum for a period of time sufficient to effect a dissociation of the molybdenum disulfide and an extraction of the volatile constituents in the briquettes, includ- ing sulfur, heat treating and purifying the residual porous metallic molybdenum briquettes by subjecting them to a hydrogen gas sweep at an elevated temperature under vacuum, effecting a further ex- traction of residual sulfur, and thereafter recovering the heat treated briquettes which contain upwards of 90% metallic molyb- denum.

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