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1. WO2020115167 - METHOD AND FACILITY FOR TREATING AQUEOUS EFFLUENTS FROM THE PRIMARY CIRCUIT OF A NUCLEAR POWER PLANT COMPRISING BORIC ACID

Publication Number WO/2020/115167
Publication Date 11.06.2020
International Application No. PCT/EP2019/083739
International Filing Date 04.12.2019
IPC
G21F 9/04 2006.01
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
9Treating radioactively contaminated material; Decontamination arrangements therefor
04Treating liquids
G21F 9/06 2006.01
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
9Treating radioactively contaminated material; Decontamination arrangements therefor
04Treating liquids
06Processing
CPC
G21F 9/04
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
9Treating radioactively contaminated material; Decontamination arrangements therefor
04Treating liquids
G21F 9/06
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
9Treating radioactively contaminated material; Decontamination arrangements therefor
04Treating liquids
06Processing
Applicants
  • ELECTRICITE DE FRANCE [FR]/[FR]
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) [FR]/[FR]
  • UNIVERSITE DE LORRAINE [FR]/[FR]
Inventors
  • NEVEUX, Thibaut
  • BAILLEUL, Eve
  • CASTEL, Christophe
  • FAVRE, Eric
Agents
  • REGIMBEAU
Priority Data
187237505.12.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD AND FACILITY FOR TREATING AQUEOUS EFFLUENTS FROM THE PRIMARY CIRCUIT OF A NUCLEAR POWER PLANT COMPRISING BORIC ACID
(FR) PROCEDE ET INSTALLATION DE TRAITEMENT D'EFFLUENTS AQUEUX ISSUS DU CIRCUIT PRIMAIRE D'UNE CENTRALE NUCLEAIRE COMPRENANT DE L'ACIDE BORIQUE
Abstract
(EN)
The present invention relates to a method for treating aqueous effluents from the primary circuit of a nuclear power plant using a reverse osmosis membrane to separate boric acid, characterised in that said method comprises steps that consist of treating the effluents using a multi-stage assembly made up of reverse osmosis modules comprising a membrane with a high boron rejection rate, arranged in parallel and in series, and recycling the intermediate products at different points of the assembly.
(FR)
La présente invention concerne un procédé de traitement d'effluents aqueux provenant du circuit primaire d'une centrale nucléaire mettant en œuvre une séparation d'acide borique à l'aide d'une membrane d'osmose inverse caractérisé par le fait qu'il comprend des étapes consistant à traiter les effluents à l'aide d'un assemblage multi-étage composé de modules d'osmose inverse comportant une membrane présentant un taux de réjection élevé en Bore, agencés en parallèle et en série et des recyclages des produits intermédiaires en différents points de l'assemblage.
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