PROCESS FOR RECOVERING RARE METALS FROM THE COMBUSTION RESIDUE OF COAL BY DIGESTION

The invention relates to a method for recovering rare metals from the combustion residues of various coals, in particular brown coals. The recovery is performed by digestion, more particularly by aqueous and/or dilute alkaline and/or dilute acidic digestion, where two or three of these steps can be...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SOLYMOS ANDRAS, PANTO GYOERGY, KASZANITZKY FERENC, MATYAS BELA, GERBER PAL, LEFFLER JANOS
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS METALLURGY PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS 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 TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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