TREATMENT OF BURNED ASH OF SHREDDER DUST

PURPOSE:To reuse valuable metals in furnace bottom ash resulting from shredder dust as resources and to make furnace bottom ash harmless. CONSTITUTION:The furnace bottom ash 1 separated as small pieces in a separation process 2 is separated into magnetic matter 2 and non-magnetic matter 5 in a magne...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI KATAYUKI, KOMATSUBARA YUICHI, SAITO ARIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY DISPOSAL OF SOLID WASTE FERROUS OR NON-FERROUS ALLOYS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS METALLURGY OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS RECLAMATION OF CONTAMINED SOIL SOIL SEPARATING SOLIDS FROM SOLIDS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PURPOSE:To reuse valuable metals in furnace bottom ash resulting from shredder dust as resources and to make furnace bottom ash harmless. CONSTITUTION:The furnace bottom ash 1 separated as small pieces in a separation process 2 is separated into magnetic matter 2 and non-magnetic matter 5 in a magnetic separation process 3 and the non-magnetic matter 5 is classified into oversize matter 7 and undersize matter 8 in a classifying process 9. The undersize matter 8 is further applied to a crushing process 9 and, after the glassy substance and molten matter in the undersize matter 8 are ground, the ground matter is classified into coarse particles 11 containing high purity copper refuse, fine particles 12 of a mixture of copper wires, granular glassy matter and molten matter and fine particles 13 containing glassy matter and molten matter in a classifying process 10. The fine particles 12 are dried and classified into conductive matter 14 and non-conductive matter 16 not almost containing a metal in an electrostatic sorting process 15.