2009•China Tungsten IndustryRequires access

Scheelite Processing Technology of a Tungsten Mine in Hunan

Han Zhao-yuan

Abstract

The technological flow-sheet of selective flotation of sulfide minerals+flotation of scheelite at normal temperature+cleaning of scheelite by heating flotationand the combination reagent system of sodium carbonate-sodium silicate-F9were adopted in processing raw tungsten ore containing WO3 0.39% in which scheelite accounted about 85%.The results showed that scheelite can be effectively recovered and satisfactory technical indexes of mineral processing can be attained with WO3concentrate 67.35% and WO3 recovery rate 80.09%.

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Available abstract

Key concepts: Scheelite, Tungsten, Sodium carbonate, Mineral processing, Reagent, Sodium silicate, Silicate, Metallurgy