METHOD AND DEVICE FOR PREPARING TREATMENT TARGET MATTER, AND METHOD AND DEVICE FOR TREATING GRANULES

To provide a method of treating granules through a simple procedure at low cost without producing extra waste.SOLUTION: A granule treatment method is provided, comprising: a drug adding step (step S1-a) for adding a drug containing an aqueous solution containing divalent iron ions and an alkaline ag...

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Hauptverfasser:	ISHIWATARI HIROYUKI, MITOMA KOJI, YAMAZAKI MASAYOSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR DISPOSAL OF SOLID WASTE MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS NUCLEAR ENGINEERING NUCLEAR PHYSICS PERFORMING OPERATIONS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:	To provide a method of treating granules through a simple procedure at low cost without producing extra waste.SOLUTION: A granule treatment method is provided, comprising: a drug adding step (step S1-a) for adding a drug containing an aqueous solution containing divalent iron ions and an alkaline agent to granules; a heating step (step S1-b) for heating the mixture of the granules and the drug; a step (step S1) for generating and adsorbing a magnetic substance on surfaces of the granules; and a sorting step (step S2) for sorting the granules having the magnetic substance generated and adsorbed on the surfaces thereof by magnetic sorting.SELECTED DRAWING: Figure 1 【課題】余分な廃棄物を発生させることなく簡単な操作で安価に実施可能な粉粒体の処理方法を提供する。【解決手段】粉粒体の処理方法であって、薬剤が２価の鉄イオンとアルカリ剤とを含有する水溶液を含み、粉粒体に薬剤を添加する薬剤添加工程（ステップＳ１−ａ）と、粉粒体と薬剤との混合物を加熱する加熱工程（ステップＳ１−ｂ）と、を含み、粉粒体の表面に磁性物質を生成・吸着させる工程（ステップＳ１）と、表面に磁性物質が生成・吸着した粉粒体を磁力選別により分級する分級工程（ステップＳ２）を含む。【選択図】図１