Thursday 9 January 2020

EPA Publishes Report Highlighting BioLargo Engineering’s PFAS Technology Project

Last year, BioLargo Engineering, Science & Technologies (BLEST) was awarded an EPA SBIR grant to fund the company’s efforts to create an effective, affordable solution to the global per- and polyfluoroalkyl substance (PFAS) contamination crisis. The project was in collaboration with leading environmental scientists at the University of Tennessee.

These efforts were successful – in 2019 BLEST developed a working prototype of a device called the Aqueous Electrostatic Concentrator (AEC) that was proven effective at eliminating PFAS from water in continuous flow. In fact, the AEC was shown to eliminate more than 99% of PFAS molecules from flowing water at an approximate energy consumption cost of less than 30 cents per 1,000 gallons, which is estimated to be highly competitive compared to alternative technologies.

We are now proud to announce that the EPA has published a report detailing the successes of this project on their website. You can read the report here:

The report concludes, “The study demonstrated the ability of the AEC to remove over 99 percent of total PFOA and PFOS from the feed stream.  During testing the AEC was operated at conditions that would provide a theoretical concentration factor up to 35 times, based on the ratio of Feed Chamber rate to AEM Chamber rate when operating in flow-through mode.  With additional testing, higher concentration factors are expected to be achieved.

Stay tuned for more updates as BLEST works to scale up and commercialize the AEC technology to start treating PFAS contamination problems that are currently affecting countless Americans.

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