SOLIDIFICATION PROCESSING METHOD OF RADIOACTIVE WASTE

PROBLEM TO BE SOLVED: To provide a solidification processing method of radioactive wastes capable of solidifying a radioactive waste to have a highly reduced volume and high strength by an easy process in a short time. SOLUTION: A binder in a powder form (powdery binder) 10 formed by mixing at least...

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Hauptverfasser:	KANEKO MASAAKI, SATO TATSUAKI, OKITA SOSHI, HARUGUCHI YOSHIKO, SHOJI YUICHI, YAMASHITA TAKEO, MIKURA MICHITAKA, OKANO TOSHIAKI, KAWABE AKIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a solidification processing method of radioactive wastes capable of solidifying a radioactive waste to have a highly reduced volume and high strength by an easy process in a short time. SOLUTION: A binder in a powder form (powdery binder) 10 formed by mixing at least an inorganic binder composed of an alkali silicate compound, a curing accelerator composed of a cement material, and a lubricant is added to a radioactive waste in a powder form (dried powdery material) 11 obtained by drying a radioactive waste and processing it into a powder form, and the mixture is mixed with a high speed vertical blade mixer 1. Subsequently, water 12 is added as a binder auxiliary, and the powdery mixture 13, which is a mixture obtained by mixing with the high speed vertical blade mixer 1, is press-molded into a pellet form by a granulating machine 2 and cured to provide a granulated material 14. COPYRIGHT: (C)2010,JPO&INPIT