Hydrometallurgical process for producing finely divided...

Details Hydrometallurgical process for producing finely divided... Hydrometallurgical process for producing finely divided...

B - Operations, Transporting

22

F

53/349, 18/508

B22F 9/24 (2006.01) B22F 1/00 (2006.01) B22F 9/22 (2006.01)

Patent

CA 1301461

ABSTRACT A process for producing finely divided spherical precious metal based powders comprises forming an aqueous solution containing a source of at least one precious metal value forming a solid reducible precious metal material from the solution. reducing the solid material to precious metal powder particles, subjecting the precious metal based particles to a high temperature zone to melt at least a portion of the precious metal based powder particles and cooling the molten material to form essentially spherical precious metal based alloy particles. - 15 -

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