METHOD AND DEVICE FOR TREATING INCINERATION FLY ASH OF WASTE CONTAMINATED WITH RADIATION

PROBLEM TO BE SOLVED: To provide a method and a device for treating incineration fly ash of waste contaminated with radiation, which enables landfill disposal of the incineration fly ash without extremely increasing the landfill disposal amount by removing a radioactive material from the incineratio...

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Bibliographische Detailangaben
Hauptverfasser:	TANIDA KATSUYOSHI, NISHIO HIRONOBU, MAESETO TOMOHARU, SAITO MASAO, NOSHITA MASANOBU, SAKAI YOSHIHIRO, HIGUCHI SOTARO, OSAKO MASAHIRO, EBIE YOSHITAKA, UEDA YUTAKA
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 method and a device for treating incineration fly ash of waste contaminated with radiation, which enables landfill disposal of the incineration fly ash without extremely increasing the landfill disposal amount by removing a radioactive material from the incineration fly ash.SOLUTION: After incineration fly ash of waste contaminated with radiation is immersed into water at a liquid/solid ratio of 3.0-6.0 for one hour or more in an immersion and agitation tank 1, the incineration fly ash immersed into water is agitated and then dewatered by a dehydrator 2 by addition of water amounting to 5-10 times the volume of washed ash.