Enspired Solutions Successfully Destroys PFAS in Landfill Leachate Using Reductive Defluorination

Enspired Solutions?is compiling results from treatability studies on multiple waste streams as we make the finishing touches on our recently commissioned, commercial-scale #PFAS destruction reactor, the PFASigator?. Our unique reductive defluorination chemistry is coupled with ultraviolet light that stimulates a reaction to systematically disassemble PFAS molecules to water, fluoride, and simple carbon compounds. Our USEPA-award winning technology has low energy use, no toxic byproducts, and does not form PFAS from precursors in solution.

We recently completed successful PFAS destruction in landfill leachate using our unique chemistry at a site in Michigan. In the time-series graph below, you can observe the following outcomes:

1. Initial concentrations of each PFAS decreased over the duration of the experiment by up to 2 orders of magnitude.
2. Degradation occurred in a complex matrix (landfill leachate) over a wide range of PFAS compounds, including long-chains, short-chains, fluorotelomers, and perfluoroalkane sulfonamide acetic acids.
3. Extremely rapid degradation occurred for PFOS and other perfluorosulfonic acid (PFSA) compounds.
4. Intermediate increases in perfluorinated carboxylic acid concentrations over time illustrate the systematic disassembly of the PFAS carbon chain one C-F group at a time. Those intermediate increases in PFAS concentrations subsequently decrease as the shorter chains are also disassembled.
5. Reaction duration can be adjusted to achieve site-specific remediation targets while maximizing energy efficiency.

In addition to a variety of treatability tests completed and underway, we are currently working on a contract with the Department of Defense to test and scale-up treatment on multiple waste streams from DoD sites.

If you missed the commissioning of our first PFASigator?, our safe, compact, mobile and versatile treatment reactor, you can read about it HERE. The PFASigator? can be temporarily deployed, or permanently installed alone or plugged directly into existing water treatment systems to destroy PFAS and mitigate related risks at a cost comparable to existing capture and disposal options.

Enspired Solutions offers bench-scale treatability testing and field pilot application. Reach out to us to find out how you can apply our technology to your contaminated water.

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