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World-first sewage-treatment trial proves comprehensive dual-phase PFAS removal

This article was originally posted on Chemical Engineering Online.
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Summary
An ongoing large-scale trial in Australia is the first to use foam fractionation in a sewage-treatment plant to remove PFAS. EPOC Enviro’s Surface-Active Foam Fractionation (SAFF) uses charged air bubbles to target amphiphilic PFAS and has demonstrated comprehensive removal across both aqueous and solid phases, addressing a key challenge in sewage treatment with complex contaminant matrices.

What operational results would you want to see from this trial—such as phase-specific removal efficiencies, treatment costs, and energy use—and how might dual-phase PFAS removal change biosolids management strategies for utilities?

n ongoing large-scale demonstration project in Australia is the world’s first to apply a foam-fractionation technology to remove per- and polyfluoroalkyl substances (PFAS) in a sewage-treatment plant. The Surface-Active Foam Fractionation (SAFF) technology developed by EPOC Enviro relies on charged air bubbles to manipulate amphiphilic PFAS compounds. EPOC’s demonstration shows that SAFF technology can overcome one of the major challenges associated with sewage treatment — the presence of complex contaminants in both the solid and aqueous phases.

The post World-first sewage-treatment trial proves comprehensive dual-phase PFAS removal appeared first on Chemical Engineering.

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