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2011•Nonferrous Metals Science and EngineeringRequires access

The Feasibility of Tungsten Powder Preparation by Molten Salt Electrolysis from Tungstate

Xiao Zhi-hua

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Abstract

Molten salt electrolysis is an important method for preparation metal,especially in preparation of high melting point rare metal has been more and more broad.On the basis of summarizing the existing method of preparation tungsten powder,direct preparation tungsten powder by molten salt electrolysis from tungstate was proposed in this paper to shorten the flowsheet and reduce the investment.This paper analyzes the feasibility of direct preparation tungsten powder by molten salt electrolysis from the active materials of the Na2WO4 from traditional treatment process of tungsten concentrate and the CaWO4、(Fe、Mn)WO4 of major components of wolframite with the experimental results and theoretical calculations.

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What this paper is about

Molten salt electrolysis is an important method for preparation metal,especially in preparation of high melting point rare metal has been more and more broad.On the basis of summarizing the existing method of preparation tungsten powder,direct preparation tungsten powder by molten salt electrolysis from tungstate was proposed in this paper to shorten the flowsheet and reduce the investment.This paper analyzes the feasibility of direct preparation tungsten powder by molten salt electrolysis from the active materials of the Na2WO4 from traditional treatment process of tungsten concentrate and the CaWO4、(Fe、Mn)WO4 of major components of wolframite with the experimental results and theoretical calculations.

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Available abstract

Molten salt electrolysis is an important method for preparation metal,especially in preparation of high melting point rare metal has been more and more broad.On the basis of summarizing the existing method of preparation tungsten powder,direct preparation tungsten powder by molten salt electrolysis from tungstate was proposed in this paper to shorten the flowsheet and reduce the investment.This paper analyzes the feasibility of direct preparation tungsten powder by molten salt electrolysis from the active materials of the Na2WO4 from traditional treatment process of tungsten concentrate and the CaWO4、(Fe、Mn)WO4 of major components of wolframite with the experimental results and theoretical calculations.

Key concepts: Molten salt, Tungsten, Tungstate, Electrolysis, Wolframite, Materials science, Sodium tungstate, Salt (chemistry)

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