Electrochemical elimination of nickel from lead containing chloride solutions

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United States of America Patent

PATENT NO 4548793
SERIAL NO

06458148

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Abstract

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The invention relates to a process for removing nickel from lead chloride dissolved into chloride brine to obtain lead chloride solution wherein the nickel concentration is under 50 mg/liter. The present invention comprises the following steps: (a) adjusting the content of an element selected from the group of arsenic and antimony to a value of at least 1/5 of the concentration in nickel expressed in grams per liter; (b) contacting the solution from (a) with lead powder thus precipitating nickel and the said element selected from the group of arsenic and antimony.

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Patent Owner(s)

Patent OwnerAddress
SOCIETE MINIERE ET METALLURGIQUE DE PENARROYA TOURMAINE-MONTPARNASSE 33 AVENUE DU MAINE 75751 PARIS CEDEX 15

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beutier, Didier Paris, FR 5 19
Bruvier, Hugues Paris, FR 1 0
Palvadeau, Claude Breuillet, FR 5 18

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