Method for the hydrometallurgical recovery of lithium from the fraction of used galvanic cells containing lithium, iron and phosphate

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United States of America Patent

PATENT NO 9677153
APP PUB NO 20150267277A1
SERIAL NO

14433096

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Abstract

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A method for the hydrometallurgical recovery of lithium from the fraction of used galvanic cells containing lithium, iron and phosphate is disclosed. According to the method, lithium-iron-phosphate-containing fraction is introduced into sulfuric acid and/or hydrochloric acid, and hydrogen peroxide is added in an amount that is at least stoichiometric relative to the iron content to be oxidized of the lithium-iron-phosphate-containing fraction.

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Patent Owner(s)

Patent OwnerAddress
ROCKWOOD LITHIUM GMBHFRANKFURT GERMANY FRANKFURT HESSIAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schneider, Mark Andre Friedrichsdorf-Burgholzhausen, DE 6 40
Spielau, Rebecca Eppstein, DE 4 15
Steinbild, Martin Frankfurt, DE 6 19
Willems, Johannes Frankfurt, DE 8 27
Wohlgemuth, David Frankfurt, DE 4 15

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