Process for acidic leaching of precious and chalcophile metals

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12234530
APP PUB NO 20200224290A1
SERIAL NO

16651106

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Abstract

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A process for recovery of one or more elements, selected from precious metals and chalcophile metals as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) a leaching step comprising contacting the material with an acidic solution containing a lixiviant comprising an aqueous amino acid-thiourea compound formed from an amino acid (as herein defined) and thiourea (as herein defined), in order to form a leachate containing the precious metal and/or chalcophile metal; and (ii) a recovery step comprising recovering the precious metal and/or chalcophile metal from the leachate.

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Patent Owner(s)

  • MINING AND PROCESS SOLUTIONS PTY LTD; COVORO MINING SOLUTIONS, LLC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eksteen, Jacobus Johannes Bull Creek, AU 8 23
Oraby, Elsayed Abdelrady Beckenham, AU 4 8

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