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bogberry_pi t1_ixvm7hw wrote

We already have the technology to remove PFAS. Another method is good, but I will remain skeptical until they can demonstrate at full scale. This sounds a lot like the articles that say there is a new cure for a disease, and we never see it come to fruition.

From the EPA: "It is currently known that three treatment processes can be effective for PFAS removal: granular activated carbon, ion exchange resins, and high-pressure membrane systems. The optimal choice between these technologies is a balance between many factors."

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B0bs0nDugnuttEsq t1_ixvxzne wrote

This. We already have proven techniques to remove PFAS from water. The issue preventing large-scale deployment of these technologies is the flow rate and scalability. When you're looking at treating widespread groundwater contamination or an entire municipal source, these technologies can't meet the need in any cost-effective way. They'd need to be operating continuously for multiple years to even come close to full remediation, which would come with a price tag in the neighborhood of multiple billions at least.

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