SOLUTION VITREUSE SOLIDE, PROCEDE ET DISPOSITIF DE REDUCTION DE VOLUME DE SOLUTION DE DECHETS RADIO-ACTIFS

• Main Author: TADAMASA HAYASHI ET TOYOSHI MIZUSHIMA
• Format: Patent
• Language: French
• Published: 15.02.1985
• Edition: 4
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; DECONTAMINATION ARRANGEMENTS THEREFOR; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; PHYSICS; PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS; TREATING RADIOACTIVELY CONTAMINATED MATERIAL

LA PRESENTE INVENTION CONCERNE UN PROCEDE POUR LA REDUCTION DE VOLUME ET LA SOLIDIFICATION DE SOLUTIONS DE DECHETS RADIO-ACTIFS ESSENTIELLEMENT COMPOSEES DE BORATE DE SODIUM ET DEVERSEES DANS UN REACTEUR A EAU PRESSURISEE.SELON L'INVENTION, ON AJOUTE A LA SOLUTION DE DECHETS RADIO-ACTIFS, ZNO OU UN MELANGE DE ZNO AVEC ALO ETOU CAO, ET ON SOUMET LE MELANGE RESULTANT A UNE DESHYDRATATION ET FUSION AFIN DE PRODUIRE UNE SOLUTION VITREUSE SOLIDE.CE PROCEDE FIABLE ET SUR EST PARTICULIEREMENT UTILISE DANS DES INSTALLATIONS DE RETRAITEMENT DE DECHETS RADIO-ACTIFS.