METHOD FOR RECOVERING PLATINUM FROM AVIATION ENGINE COMPONENT

Title:

METHOD FOR RECOVERING PLATINUM FROM AVIATION ENGINE COMPONENT

Document Type and Number:

Japanese Patent JP2013151740

Kind Code:

A

Abstract:

To provide a method for effectively recovering platinum from gas engine components.

A method for recovering high purity platinum efficiently in a short time in recovering platinum used in gas turbine components of an aircraft includes the steps of: contacting an engine component with a chemical including an acid; removing a barrier coating and platinum aluminide from the engine component; dissolving soluble metals out of the engine component; separating the barrier coating, platinum aluminide and soluble metals from the engine component; revealing a platinum-rich layer as part of the engine component; mechanically separating the platinum-rich layer from the engine component; centrifuging the platinum-rich layer; and recovering the platinum from the gas engine component.

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Inventors:

KOOL LAWRENCE BERNARD
RUCKER MICHAEL
HU GENFA
ROSENZWEIG MARK

Application Number:

JP2012270868A

Publication Date:

August 08, 2013

Filing Date:

December 12, 2012

Export Citation:

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Assignee:

GEN ELECTRIC

International Classes:

C22B11/00; B09B3/00; B09B5/00; F01D5/28; F01D25/00; F02C7/00

Domestic Patent References:

JP2001294951A	2001-10-26
JP2007297655A	2007-11-15
JP2001003184A	2001-01-09
JP2008523291A	2008-07-03
JP2001288552A	2001-10-19

Attorney, Agent or Firm:

Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka

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