October 22, 2021

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Todd DeJournett to Present on PFAS Sequestration at Environmental Research & Education Foundation's October Science Session

Todd DeJournett, Ph.D., P.E., (Minnesota) will present "Storage Wars: Sequestering PFAS using Polymer Chemistry" at the Environmental Research & Education Foundation's (EREF's) October Science Session to be held virtually at 1:00 p.m. EDT on October 28, 2021.

Craig Benson, Ph.D., P.E., NAE, Professor Emeritus at the University of Wisconsin-Madison will moderate the discussion.

Todd DeJournett is a Senior Engineer based in Minnesota with more than 15 years of professional experience focused in the areas of industrial water/wastewater treatment, drinking water treatment, aquatic chemistry, and remedial system design. Todd serves as a member of the Interstate Technical Regulatory Council (ITRC) team on per- and polyfluorinated alkyl substances (PFAS), where he is a contributing author to ITRC's PFAS Remediation Technology Fact Sheet.

Science Sessions are brief virtual presentations during which attendees learn about a particular topic in a convenient amount of time. Topics may include current research findings, data, case studies, or similar content of a technical nature.

EREF's mission is to advance scientific research and create educational pathways that enable innovation in sustainable waste management practices. Through unbiased science, targeted research, and educational opportunities for students, the public, and the industry, EREF develops and evaluates new approaches to the management of municipal solid waste.

More about the session

Geosyntec, along with collaborators Matt Simcik and Bill Arnold at the University of Minnesota, is studying the use of commercially available polymer flocculants to improve PFAS removal in landfill leachate management operations. While these polymers have previously been shown to bind PFAS to aquifer solids in groundwater applications, the current research seeks to answer whether or not the polymers can achieve a similar result in landfill leachate. In this approach, the application of polymers, along with solid ballast materials (e.g., landfill leachate solids, daily cover) is proposed to sequester PFAS from leachate in solid materials that can be placed back in the landfill.
While the complex nature of landfill leachate presents challenges for binding PFAS by the polymers, the team is gaining an understanding of the characteristics of leachate that contribute to these limitations. The team is also evaluating different combinations of polymer and ballast materials to determine if removal of PFAS from landfill leachate via this method can be feasible in a typical solid waste operation.

More Information:

About the event: erefdn.org/eref-science-sessions/
About the Environmental Research & Education Foundation: erefdn.org
For consultation regarding remediation of PFAS, contact Todd at This email address is being protected from spambots. You need JavaScript enabled to view it.
Learn more about Todd: www.geosyntec.com/people/todd-dejournett