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2011•Mining and Metallurgical EngineeringRequires access

Study to Enrich Fine Tungsten from Low-grade Multi-metallic Ore

Deng Li-hong

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Abstract

Adopting a flowsheet of flotation-magnetic separation-flotation,and using a new flotation reagent,TAB-3,fine tungsten can be effectively reclaimed from multi-metallic ores.Eventually,a scheelite concentrate with a grade of 68.06% WO3 and a recovery of 50.03%,and a wolframite concentrate with a grade of 35.85% WO3 and a recovery of 25.80%,can be obtained from the site test,and the total tungsten recovery amounts to be 75.83%,indicating that good index can be achieved for this intergrown ore of wolframite and scheelite.

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What this paper is about

Adopting a flowsheet of flotation-magnetic separation-flotation,and using a new flotation reagent,TAB-3,fine tungsten can be effectively reclaimed from multi-metallic ores.Eventually,a scheelite concentrate with a grade of 68.06% WO3 and a recovery of 50.03%,and a wolframite concentrate with a grade of 35.85% WO3 and a recovery of 25.80%,can be obtained from the site test,and the total tungsten recovery amounts to be 75.83%,indicating that good index can be achieved for this intergrown ore of wolframite and scheelite.

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Available abstract

Adopting a flowsheet of flotation-magnetic separation-flotation,and using a new flotation reagent,TAB-3,fine tungsten can be effectively reclaimed from multi-metallic ores.Eventually,a scheelite concentrate with a grade of 68.06% WO3 and a recovery of 50.03%,and a wolframite concentrate with a grade of 35.85% WO3 and a recovery of 25.80%,can be obtained from the site test,and the total tungsten recovery amounts to be 75.83%,indicating that good index can be achieved for this intergrown ore of wolframite and scheelite.

Key concepts: Wolframite, Scheelite, Tungsten, Metallurgy, Reagent, Magnetic separation, Materials science, Metal

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