RHENIUM RECOVERY FROM SUPERALLOYS AND ASSOCIATED METHODS

RHENIUM RECOVERY FROM SUPERALLOYS AND ASSOCIATED METHODS

A method of recovering rhenium from rhenium-containing superalloy scrap is provided. The superalloy is usually a nickel-based superalloy. The method includes the steps of forming an oxidation feedstock of flaky morphology of the superalloy scrap, and oxidizing the oxidation feedstock to convert rhen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DASAN BIJU, MILLER JOSHUA LEIGH, AJDELSZTAJN LEONARDO, PALANISAMY BARATH, LIPKIN DON MARK, SAMPATH SRINIDHI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:A method of recovering rhenium from rhenium-containing superalloy scrap is provided. The superalloy is usually a nickel-based superalloy. The method includes the steps of forming an oxidation feedstock of flaky morphology of the superalloy scrap, and oxidizing the oxidation feedstock to convert rhenium into a volatile rhenium oxide. The flaky morphology of the oxidation feedstock is achieved by increasing the surface area of the superalloy scrap.