Acid mist suppression in copper electrowinning

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United States of America Patent

PATENT NO 11807952
APP PUB NO 20230110076A1
SERIAL NO

17961871

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Abstract

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A method of acid mist suppression in copper electrowinning is described. In various embodiments, at least one liquid licorice root extract, powdered licorice root extract, or reconstituted licorice extract is added in an amount sufficient to the acidic electrolyte solution of the copper electrowinning process to suppress acid mist from the acidic electrolyte solution during the copper electrowinning process. In various embodiments, combinations of licorice extract and surfactant show synergies in acid mist suppression during copper electrowinning.

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Patent Owner(s)

Patent OwnerAddress
FREEPORT MINERALS CORPORATION333 NORTH CENTRAL AVENUE PHOENIX AS 85004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gebrehiwot, Ephrem Lemlem Vail, US 4 4
Sanders, William Duane Morenci, US 5 4
Sandoval, Scot Philip Tucson, US 7 48
Tallman, Stanberg Lee Phoenix, US 4 4
Tyab, Aron Thatcher, US 4 4

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