Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1996-03-08
1999-07-20
Fortuna, Ana
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210652, 210653, B01D 6100
Patent
active
059252545
ABSTRACT:
The invention relates to a process for separating sodium from aqueous effluents resulting from the reprocessing of spent nuclear fuel elements. According to the invention, the effluent (3) is introduced into a tangential filtration module (11), whose membranes are made from polyaramide, sulphonated polysulphone or perfluorinated ionomer, so as to collect a permeate P containing sodium, depleted in radioactive elements and a retentate R enriched in radioactive elements.
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Raman P. Lakshminarayan, et. al. "Consider Nanofiltration for Membrane Sedarations" Chem. Eng. Progress, Mar. 1994.
Bardot Colette
Barnier Henri
Chomel Rodolph
Foos Jacques
Gaubert Eric
Commissariat a l''Energie Atomique
Compagnie Generale des Matieres Nucleaires
Fortuna Ana
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