Mist suppressant for solvent extraction metal electrowinning

Details Mist suppressant for solvent extraction metal electrowinning Mist suppressant for solvent extraction metal electrowinning

1994-05-05

1995-11-21

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204106, C25C 112

Patent

active

054683530

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 fluoroaliphatic non-foam-forming surfactants.

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patent: 5207996 (1993-05-01), Sierakowski et al.
Pike & Johannessen, "Use of Fluorosurfactants for Mist Control in Copper SX-EW" Nov., 1985.
Johannessen, Maes, Pike and Seward, "Aspects of Fluorosurfactant Use for the Control of Acid Mist in SX-EW Operations" Dec., 1985.

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