Platinum group metals recovery
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Date
2022-01-18Author
Sarin, Pankaj
Nichols, David K.
The Board of Regents for Oklahoma State University
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The disclosed methods are utilized for recovering a high percent of platinum group metals from spent catalytic converters. The methods use an aqua regia bath and ultrasonic agitation to liberate the metals from the carrier material of the washcoat, while leaving the metal supporting structure largely intact.
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