Method for producing tungsten

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United States of America Patent

PATENT NO 10422022
APP PUB NO 20180080101A1
SERIAL NO

15563144

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Abstract

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Provided is a method for efficiently producing tungsten from a raw material mixture comprising at least one valuable containing tungsten. The present invention relates to a method for producing tungsten, comprising the steps of subjecting a raw material mixture comprising at least one valuable containing tungsten to electrolysis using an organic electrolytic solution to dissolve tungsten in the electrolytic solution; and calcining the electrolytic solution containing dissolved tungsten at a temperature of less than 800° C. to obtain tungsten.

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Patent Owner(s)

Patent OwnerAddress
JX NIPPON MINING & METALS CORPORATIONTOKYO 105-8417

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawamura, Toshifumi Hitachi, JP 15 33

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