The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9896744 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 20, 2018

Filed:

Jun. 01, 2015
Applicant:

Her Majesty the Queen IN Right of Canada As Represented BY the Minister of Natural Resources Canada, Ottawa, CA;

Inventors:

Nicolas Reynier, Gatineau, CA;

Rolando Lastra, Ottawa, CA;

Nabil Bouzoubaa, Nepean, CA;

Mark Chapman, Deep River, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 60/02 (2006.01); G21F 9/30 (2006.01); C22B 43/00 (2006.01); C22B 59/00 (2006.01); C22B 61/00 (2006.01); C22B 7/00 (2006.01);
U.S. Cl.
CPC ...
C22B 60/0234 (2013.01); C22B 7/007 (2013.01); C22B 43/00 (2013.01); C22B 59/00 (2013.01); C22B 60/023 (2013.01); C22B 60/0265 (2013.01); C22B 60/0278 (2013.01); C22B 61/00 (2013.01); G21F 9/30 (2013.01); Y02P 10/234 (2015.11);
Abstract

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.


Find Patent Forward Citations

Reynier, Nicolas. (2018). Process for metals leaching and recovery from radioactive wastes (U.S. Patent No. 9896744). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9896744

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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