Removal of binder from ta products

Details Removal of binder from ta products Removal of binder from ta products

B - Operations, Transporting

22

F

B22F 1/00 (2006.01) B22F 3/10 (2006.01) H01G 9/00 (2006.01)

Patent

CA 2190728

Tantalum anode pellets or tantalum powders are treated to remove carbon content (mostly attributable to binders used in pressing the powders to pellet form and/or sintering of the pellets) by an aqueous leach at 50-200 °F in lieu of the conventional complex distillation/decomposition methods.

On traite des boulettes d'anode en tantale ou des poudres de tantale afin d'en éliminer le carbone (qui est contenu principalement dans les liants utilisés pour le pressage des poudres en boulettes et/ou le frittage des boulettes) par un processus de lixivation aqueuse à 50-200 ~C au lieu des procédés classiques complexes de distillation/décomposition.

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