摘要 |
<p>Process for separating Pu from U and from fission products by means of crown ethers. …<??>According to this process the aqueous solution A0 containing Pu, U and the fission products, for example a solution originating from the first cycle of reprocessing of irradiated nuclear fuels, is placed in contact with an organic solvent O0 comprising at least one crown ether, and the U is then reextracted with water or with a nitric aqueous solution and finally the Pu is recovered by reextraction, for example into an aqueous solution of H2SO4. …<IMAGE>… </p> |
申请人 |
COGEMA COMPAGNIE GENERALE DES MATIERES NUCLEAIRES, VELIZY-VILLACOUBLAY, FR |
发明人 |
LEMAIRE, MARC, F-69100 VILLEURBANNE, FR;GUY, ALAIN, F-77135 PONTCARRE, FR;FOOS, JACQUES, F-91400 ORSAY, FR;CHOMEL, RODOLPHE, F-84100 ORANGE, FR;DOUTRELUIGNE, PIERRE, F-30200 BAGNOLS SUR CEZE, FR;MOUTARDE, THIERRY CHEZ LOUIS PEREZ, F-84420 PIOLENC, FR;GUYON, VINCENT, F-75003 PARIS, FR;LE ROY, HENRI, F-50120 EQUEURDREVILLE, FR |