Extraction of selected platinum-group metals from supported catalyst

Scott E Denmark (Inventor), Malek Yahia Saleh Ibrahim (Inventor)

Research output: Patent

Abstract

Disclosed herein is a method for extracting precious metals from supported catalysts. The precious metal in one embodiment is rhodium. The supported catalyst may be from equipment, such as a used catalytic converter. The method is carried out at low temperature, and does not require harsh conditions, such as the use of a strong acid. The method involves contacting the catalytic material with a polar molecule and a reactive gas.
Original languageEnglish (US)
U.S. patent number11427887
Filing date11/26/18
StatePublished - Aug 30 2022

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