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US 2024/0368733 A1Published application
Method for recovering valuable metals from spent catalysts
OwnerO Hak KWON, Jong Hwa CHOI +3inventors
InventorsO Hak KWON, Jong Hwa CHOI, Jong Gyu PARK, Lan KWON, Hye Won JANG
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Abstract
A method for recovering valuable metals is disclosed. The method includes: a spent catalyst preparation step in which a spent catalyst is prepared; and a leaching step in which a first inorganic compound containing VO3− is leached from the spent catalyst at a temperature of less than 100° C. under normal pressure.
Claims10
A method for recovering valuable metals, comprising:
- a spent catalyst preparation step in which a spent catalyst is prepared;
- and
- a leaching step in which a first inorganic compound containing VO3− is leached from the spent catalyst at a temperature of less than 100° C. under normal pressure.
Dependencies are inferred from the claim text.