PFAS-Free Acid Mist Suppression

Control acid vapors at low ppm without compromising EW/SX performance, cathode quality, or phase separation.

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The Acid Mist Challenge in Electrowinning

During copper electrowinning, oxygen evolution at the anodes generates bubbles that rise and burst at the electrolyte surface, releasing fine acid droplets into the air. This acid mist creates a highly corrosive environment, increases health risks for operators, and significantly raises ventilation energy demand, representing up to 20% of total energy consumption in some tank houses.

PFAS-Free Formulation

Saponin-based, biodegradable solution aligned with environmental and regulatory expectations.

Low-Dosage Performance

Effective acid mist suppression at 6–12 ppm, achieving levels below 500 µg/m³N.

EW/SX Safe

No adverse impact on current efficiency, cathode quality, or liquid-phase separation.

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A PFAS-Free Alternative to Traditional Surfactants

Unlike fluorinated surfactants that persist in acidic electrolytes, Clarfy ™ is formulated using saponins, naturally derived surfactants that deliver effective acid mist suppression while remaining biodegradable and non-accumulative under standard operating conditions.

PFAS-free and non-fluorinated
Chemically stable under EW conditions
Compatible with existing EW/SX operations
mist suppression
mist concentration
distime

Proven Performance in Acid Mist Control

Laboratory and field evaluations demonstrate that Clarfy ™ outperforms conventional acid mist suppressants, including fluorinated benchmarks, while maintaining process integrity.

< 500 µg/m³N

acid mist at 6–12 ppm

Improved Mist Suppression

vs FC-1100

Faster Phase Disengagement

than fluorinated alternatives

Clarfy’s acid mist suppressor is produced at an industrial scale, delivering the volume reliability, and supply security required for continuous hydrometallurgical operations.

Operational and Sustainability Benefits

Reduced corrosion and equipment wear
Improved workplace safety and air quality
Lower ventilation energy requirements
PFAS-free solution aligned with sustainability targets

Application Guidelines

Typical dosage

6–12 ppm of total electrolyte inventory
< 2 ppm relative to feed flow

Monitoring

Surface tension measurement
Acid mist emission monitoring using calibrated instruments
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