ELECTROCHEMICAL SYSTEM AND METHOD FOR SELECTIVE RECOVERY OF GOLD FROM ELECTRONIC WASTE AND MINING STREAMS
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
Feb 8, 2024
filing date -
Feb 9, 2023
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Abstract
An electrochemical system for selective recovery of gold from electronic waste and mining streams includes a vessel configured for flow of fluid therethrough, a working electrode positioned in the vessel, where the working electrode comprises a redox-active metallopolymer, and a counter electrode spaced apart from the working electrode in the vessel. An electrochemical method for selective gold recovery includes selectively electrochemically adsorbing gold complexes from a leach solution onto a redox-active metallopolymer, and electrochemically releasing the gold complexes from the redox-active metallopolymer into a collection fluid.
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