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公开(公告)号：US10246760B2
公开(公告)日：2019-04-02
申请号：US15208030
申请日：2016-07-12
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Lawrence B. Kool , Genfa Hu
Abstract: The present invention is directed to a method for recovery of platinum from a coating on a component, wherein the coating includes platinum aluminide, the method including: contacting the coating on the component with a reagent solution, the reagent solution including a reactive species capable of solubilizing an aluminum salt in water, which results in formation of a platinum-rich residue on the component; separating the platinum-rich residue from the component; and collecting the platinum-rich residue. The reactive species may be hexafluorosilicic acid.
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