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.:
Date of Patent:
Jan. 27, 2015
Filed:
Dec. 17, 2009
Murielle Bertrand, Uzes, FR;
Stephane Grandjean, Saint Marcel de Careiret, FR;
Bruno Courtaud, Bellac, FR;
Frederic Auger, Boisseuil, FR;
Murielle Bertrand, Uzes, FR;
Stephane Grandjean, Saint Marcel de Careiret, FR;
Bruno Courtaud, Bellac, FR;
Frederic Auger, Boisseuil, FR;
Commissariat a l'Energie Atomique et aux Energies Alternatives, Paris, FR;
Areva NC, Paris, FR;
Abstract
A method for preparing an oxalate of one or more actinides for processing and recycling nuclear fuel, comprising: the precipitation of said actinide or the coprecipitation of said actinides in the form of oxalate particles by bringing into contact an aqueous solution containing the actinide(s) with an aqueous solution of oxalic acid or of an oxalic acid salt; and the collection of the resulting oxalate particles; characterized in that the precipitation or coprecipitation is carried out in fluidized bed.