With per-and polyfluoroalkyl substances (PFAS) in wastewater, concern and regulations put pressure on utilities, disrupt biosolids disposal, and have led to escalating costs and few options. What should we do to address this, and how? PFAS have been used in industrial processes for years, and they persist in the environment. Many are still confused about PFAS and how they ended up in wastewater. The presentation will begin with an overview that provides that perspective. Once in our biosolids, what’s next, and what are our options? How do we mitigate the cost increase of PFAS-containing biosolids? We will discuss the impacts we’re experiencing and how the biosolids market is responding. The presenters will share the process to identify and implement improvements at our treatment facility. Everyone’s wastewater and biosolids differ, and thus it’s critical to pilot-test to select equipment to complement your treatment process. The presenters will close with a discussion of their approach to ensure the attainment of solids goals through equipment selection and pre-procurement.

Contributor/Source

Barry Sheff, PE;Eric Labelle, PE

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