MAGNETIC RECOVERY OF VALUABLES FROM SLAG MATERIAL

The present invention relates to a process for the separation of at least one metal from a slag, comprising that at least one metal and further components, comprising at least step (A) grinding the slag, (B) if appropriate, contacting the ground slag of step (A) with at least one surface-active subs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BOZICH, FRANK, DEUERLEIN, STEPHAN, BLACKWOOD, DAVID F, RIEGER, REINHOLD, JUNICKE, HENRIK, ROHDE, WOLFGANG, SHISHKOV, IGOR, DOMKE, IMME, MICHAILOVSKI, ALEXEJ, LOESCH, DENNIS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS PERFORMING OPERATIONS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the separation of at least one metal from a slag, comprising that at least one metal and further components, comprising at least step (A) grinding the slag, (B) if appropriate, contacting the ground slag of step (A) with at least one surface-active substance and/or at least one magnetic particle, if appropriate in the presence of at least one dispersant, resulting in formation of agglomerates of the at least one metal and the at least one magnetic particle, (C) if appropriate, addition of at least one dispersant to the mixture obtained in step (B) to give a dispersion having a suitable concentration, and (D) separation of the agglomerates from the mixture of step (B) or (C) by application of a magnetic field, and to the use of at least one magnetic particle for the separation of slag.