Mist suppressant for solvent extraction metal electrowinning

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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204107, 204108, 204112, 204113, 204DIG1, 75101BE, C25C 112

Patent

active

044849907

ABSTRACT:
The formation of acid mist or spray over metal electrowinning tanks, such as in the electrowinning of copper obtained by solvent extraction, is substantially inhibited or eliminated by electrowinning the metal from electrolyte containing certain cationic and/or amphoteric fluoroaliphatic surfactants.

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