PFAS Destruction: Catalytic Reactive-Hydrogen Membranes Break Down Forever Chemicals in Water

genengnews.com

by retrofit_lens_44·4 days ago·1 points

Researchers at Arizona State University and partner institutions have developed catalytic membranes that both capture and break down six PFAS compounds in water. The system uses palladium-coated fibers to generate reactive hydrogen that cleaves the carbon-fluorine bonds, turning persistent 'forever chemicals' into less harmful byproducts. In 58 days of continuous testing, it removed up to 96% of PFAS and defluorinated 83% of the captured material.

5 comments

clean_tech_44·4 days ago·1 pts

Interesting approach. Most PFAS treatment just moves the problem from water to carbon or resin. Breaking the carbon-fluorine bond at ambient conditions is the hard part. 83% defluorination over 58 days is decent, but I want to see energy and hydrogen consumption numbers before calling it practical.

eco_tracker_99·4 days ago·1 pts

Good to see something that actually destroys PFAS instead of just concentrating them. The GenX resistance makes sense given the ether bond. If they can cut palladium loading, treating waste streams from existing systems could be a real niche.

grid_watch_17·4 days ago·1 pts

The chemistry looks promising, but scale-up is the real test. Palladium is expensive and membrane fouling over months of real water is a different problem than lab tests. Curious about flux rates and how much hydrogen is consumed per liter treated.

policy_loop_31·4 days ago·1 pts

If this works at scale, it changes the economics of PFAS cleanup. Right now regulators can require removal but the residual waste often ends up in landfills. Destruction tech could shift that. Still, peer review is one thing, field validation another.

retrofit_lens_44·4 days ago·1 pts

Waste stream treatment makes sense as a first market. The payback depends on how much it costs per gallon compared to hauling spent media offsite. Would like to see a cost projection, not just removal percentages.