Methods for recovering metals from electronic waste, and related systems

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United States of America Patent

PATENT NO 10378081
APP PUB NO 20170362681A1
SERIAL NO

15690717

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of recovering metals from electronic waste comprises providing a powder comprising electronic waste in at least a first reactor and a second reactor and providing an electrolyte comprising at least ferric ions in an electrochemical cell in fluid communication with the first reactor and the second reactor. The method further includes contacting the powders within the first reactor and the second reactor with the electrolyte to dissolve at least one base metal from each reactor into the electrolyte and reduce at least some of the ferric ions to ferrous ions. The ferrous ions are oxidized at an anode of the electrochemical cell to regenerate the ferric ions. The powder within the second reactor comprises a higher weight percent of the at least one base metal than the powder in the first reactor. Additional methods of recovering metals from electronic waste are also described, as well as an apparatus of recovering metals from electronic waste.

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Patent Owner(s)

Patent OwnerAddress
BATTELLE ENERGY ALLIANCE LLCIDAHO FALLS ID 83415

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clark, Gemma Idaho Falls, US 3 6
Diaz, Aldana Luis A Idaho Falls, US 11 9
Dufek, Eric J Ammon, US 13 39
Keller, Philip Knoxville, US 14 594
Lister, Tedd E Idaho Falls, US 15 23
Parkman, Jacob A Fuquay-Varina, US 3 6

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