PLATINUM RECOVERY METHODS - GENERAL ELECTRIC CO GE

Title:

PLATINUM RECOVERY METHODS

Document Type and Number:

Japanese Patent JP2018009246

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide methods of recovery of platinum from coatings containing platinum aluminide (PtAl).SOLUTION: The present invention is directed to a method for recovery of platinum from a coating on a component, where 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.SELECTED DRAWING: None

Inventors:

KOOL LAWRENCE B
HU GENFA

Application Number:

JP2017130754A

Publication Date:

January 18, 2018

Filing Date:

July 04, 2017

Export Citation:

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