Process for metals leaching and recovery from radioactive wastes

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United States of America Patent

PATENT NO 9896744
SERIAL NO

14726677

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Abstract

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Provided is a process for recovering metals from solid radioactive waste, preferably uranium, cesium, mercury, thorium, rare earths or combinations thereof. The process comprises a leaching step and a separation step. The leaching step comprises contacting the solid radioactive waste with an aqueous inorganic acid and a leaching salt to produce a mixture of a metal-rich leachate and a metal-poor waste, which are separated in the separation step. Also provided is a process for recovering metals from solid radioactive waste comprising an attrition step, a leaching step, a washing step, a combination step and a recovery step.

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Patent Owner(s)

Patent OwnerAddress
HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES CANADA580 BOOTH STREET 16TH FLOOR OTTAWA ONTARIO K1A 0E4

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bouzoubaa, Nabil Nepean, CA 1 1
Chapman, Mark Deep River, CA 21 266
Lastra, Rolando Ottawa, CA 1 1
Reynier, Nicolas Gatineau, CA 3 1

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