METODO MEJORAD PARA RECUPERAR PLOMO,PLATA Y ORO A PARTIR DE UN RESIDUO DE UN PROCESO DE REFINACION ELECTROLITICA-DE ZING,QUE CONTIENE HIERRO

A process is disclosed for the recovery of lead, silver and gold from the iron-bearing residue of an electrolytic zinc process by froth-flotating a slurry of the iron-bearing residue in the presence of a sulfidic collector agent in order to froth-flotate the sulfides and to separate them from the ir...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VAINO VILJO HEIKKI HINTIKKA, AIMO ENSIO JARVINEN, KAARLO MATTI JUHANI SAARI, JAAKKO OLAVI LEPPINEN, JUSSI KALEVI RASTAS
Format:	Patent
Sprache:	spa
Schlagworte:	DIFFERENTIAL SEDIMENTATION FLOTATION MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS PERFORMING OPERATIONS 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
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Beschreibung
Zusammenfassung:	A process is disclosed for the recovery of lead, silver and gold from the iron-bearing residue of an electrolytic zinc process by froth-flotating a slurry of the iron-bearing residue in the presence of a sulfidic collector agent in order to froth-flotate the sulfides and to separate them from the iron-bearing residue. The iron-bearing residue is sulfidized selectively in order to convert the lead, silver and possibly gold substantially quantitatively to sulfides before the iron-bearing residue is froth-flotated.