Shredder dust treatment process

A preferred shredder dust treatment process which includes: (1) a step of executing a first crushing; (2) a step of separating and recovering metals from the first crushed product; (3) a step of a second crushing; (4) a step of separating and recovering metals from the second crushed product; (5) a...

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Bibliographische Detailangaben
Hauptverfasser:	MURATA, KOZO
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT DISPOSAL OF SOLID WASTE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS PERFORMING OPERATIONS RECLAMATION OF CONTAMINED SOIL SOIL SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	A preferred shredder dust treatment process which includes: (1) a step of executing a first crushing; (2) a step of separating and recovering metals from the first crushed product; (3) a step of a second crushing; (4) a step of separating and recovering metals from the second crushed product; (5) a step of executing a third crushing; (6) a step of collecting and recovering dust and the like by fluidizing the third crushed product to separate therefrom a fluffy dust and pneumatically transporting the separated fluffy dust to a dust collector; and (7) a step of separating and recovering non-ferrous metals, non-metals, and the like, from the third crushed product. Preferably, the shredder dust is crushed by crushers having square blades.