Published August 3, 1990 | Version v1
Patent

Process for uranium VI and/or plutonium IV from an acid aqueous solution with a mixture of N,N-dialkylamides, applicable to spent fuel element reprocessing

Description

The aqueous solution containing U VI and Pu IV is contacted with an organic solvent made of a mixture of two N,N-dialkylamides, extraction is enhanced if the first amide contains a linear alkyl radical and the second one a branched alkyl radical

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Abstract (French)

On met en contact une solution aqueuse contenant U VI et Pu IV avec un solvant organique comprenant un melange de deux N,N-dialkylamides, l'extraction est amelioree si l'une des 2 amides a un radical alcoyle lineaire et l'autre ramifie

Additional details

Additional titles

Original title (French)
Procede d'extraction de l'uranium VI et/ou du plutonium IV presents dans une solution aqueuse acide au moyen d'un melange de N,N-dialkylamides, utilisable pour le retraitement de combustibles nucleaires irradies

Publishing Information

Imprint Pagination
32 p.
IPC:
Int. Cl. G21c19/46.
IPC
Int. Cl. G21c19/46.
Patent number
FR patent document 2642562/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
22028037
Subject category
S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
AMIDES; AQUEOUS SOLUTIONS; MIXTURES; PLUTONIUM; SOLVENT EXTRACTION; URANIUM
Descriptors DEC
ACTINIDES; DISPERSIONS; ELEMENTS; HOMOGENEOUS MIXTURES; METALS; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; SEPARATION PROCESSES; SOLUTIONS; TRANSURANIUM ELEMENTS

Optional Information

Secondary number(s)
FR patent application 8901282.