GRANULATION METHOD OF TREATED MATERIAL AND GRANULE

To provide a granulation method of a treated material capable of preventing pulverization of the treated material and granule.SOLUTION: A granulation method comprises: a first granulation step of granulating the powder of the treated material; a first coating step of forming a first coating layer wi...

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Bibliographische Detailangaben
Hauptverfasser:	TSUCHIYA NAOMI, YAMADA AKIRA, OMURA TSUNEO, YAMAMOTO SEIJI, OKABE HIROSHI, YAGYU MOTOSHIGE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a granulation method of a treated material capable of preventing pulverization of the treated material and granule.SOLUTION: A granulation method comprises: a first granulation step of granulating the powder of the treated material; a first coating step of forming a first coating layer with the first coating material on a surface of granules granulated in the first granulation step; a second granulation step of supplying the powder of the treated material to the granules on which the first coating layer is formed and granulating them; and a second coating step of forming a second coating layer with a second coating material on a surface of the granules granulated in the second granulation step.SELECTED DRAWING: Figure 1 【課題】処理材の粉末化を防止することのできる処理材の造粒方法及び造粒体を提供する。【解決手段】処理材の粉末を造粒する第１造粒工程と、前記第１造粒工程で造粒された造粒体の表面に第１コーティング材により第１コーティング層を形成する第１コーティング工程と、前記第１コーティング層が形成された造粒体に、前記処理材の粉末を供給して造粒する第２造粒工程と、前記第２造粒工程で造粒された造粒体の表面に第２コーティング材により第２コーティング層を形成する第２コーティング工程と、を具備している。【選択図】図１