TREATMENT METHOD OF BORIC ACID WASTE LIQUID

PROBLEM TO BE SOLVED: To provide a treatment method of boric acid waste liquid, which suppresses deposition and accumulation on an inner wall surface of a tank, of a solid component originating from a thrown-in powdery chemical agent.SOLUTION: The treatment method of boric acid waste liquid includes...

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Bibliographische Detailangaben
Hauptverfasser:	SATO TATSUAKI, SHOJI YUICHI, HARUGUCHI YOSHIKO, NISHIKUBO MASARU, IWASHIMA TOMOYA, SHIMURA KATSUMI, KOMATSUBARA MASARU
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 treatment method of boric acid waste liquid, which suppresses deposition and accumulation on an inner wall surface of a tank, of a solid component originating from a thrown-in powdery chemical agent.SOLUTION: The treatment method of boric acid waste liquid includes the steps of: injecting a boric acid waste liquid into a tank and setting it to a prescribed temperature while agitating it; throwing a powdery chemical agent into the boric acid waste liquid while causing a cleaning liquid to flow on the inner wall surface of the tank; promoting reaction while agitating a mixture of the boric acid waste liquid and the powdery chemical agent in the tank; and discharging slurry produced by the reaction from the tank.