METHOD FOR RECOVERING SCHEELITE FROM TUNGSTEN ORES BY FLOTATION

A flotation process for recovering scheelite from low-grade tungsten ores containing calcium-bearing minerals other than scheelite. Calcium oxide (lime) is added to an ore pulp together with a carbonate alkalizing agent, dispersant and anionic collector. The pulp is subsequently subjected to flotati...

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Bibliographische Detailangaben
Hauptverfasser:	RONALD VEDOVA, NORMAN LEROY GRAUERHOLZ
Format:	Patent
Sprache:	eng
Schlagworte:	DIFFERENTIAL SEDIMENTATION FLOTATION MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS 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:	A flotation process for recovering scheelite from low-grade tungsten ores containing calcium-bearing minerals other than scheelite. Calcium oxide (lime) is added to an ore pulp together with a carbonate alkalizing agent, dispersant and anionic collector. The pulp is subsequently subjected to flotation and the scheelite recovered.