PROCESS FOR THE CHEMICAL DECONTAMINATION OF THE CONSTITUENT PARTS OF NUCLEAR REACTORS
Abstract
Abstract Translated from French LA PRESENTE INVENTION DECRIT UN PROCEDE DE DECONTAMINATION DANS LEQUEL LES PARTIES DES REACTEURS NUCLEAIRES SONT D'ABORD TRAITEES PENDANT ENVIRON 1HEURE, PAR VOIE OXYDANTE AVEC UNE SOLUTION ALCALINE DE PERMANGANATE ET SOUMISES PENDANT 5 A 20HEURES A L'ATTAQUE D'UNE SOLUTION INHIBEE DE DECONTAMINATION CITRATE-OXALATE ET ENSUITE ELLES SONT TRAITEES AVEC UNE SOLUTION ACIDE CITRIQUEHO QUI CONTIENT DES PARTICULES DE FIBRES POUVANT ETRE MISES EN SUSPENSION. UTILISATION DE CE PROCEDE POUR DECONTAMINER LES PARTIES FIXES ET LES PARTIES MOBILES DES REACTEURS NUCLEAIRES. THE PRESENT INVENTION DESCRIBES A DECONTAMINATION PROCESS IN WHICH THE PARTS OF NUCLEAR REACTORS ARE FIRST TREATED FOR APPROXIMATELY 1 HOUR, BY OXIDIZING WITH AN ALKALINE PERMANGANATE SOLUTION AND SUBMITTED FOR 5 TO 20 HOURS TO THE ATHINATION OF A DECONTAMINATION SOLUTION. CITRATE-OXALATE AND THEN THEY ARE TREATED WITH A CITRIQUEHO ACID SOLUTION WHICH CONTAINS FIBER PARTICLES THAT CAN BE SUSPENSIONED. USE OF THIS PROCESS TO DECONTAMINATE STATIONARY AND MOVABLE PARTS OF NUCLEAR REACTORS.
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