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PFAS Destruction Technology

Our PFAS Annihilator™ technology is a closed-loop, on-site destruction solution powered by supercritical water oxidation.

PFAS Annihilator™ Destruction Technology

Achieve Compliance and Reduce Future Liability

To meet the growing need for effectively and efficiently treating water for per- and polyfluoroalkyl substances (PFAS), we must destroy the substances, prevent them from transferring elsewhere, and avoid creating harmful byproducts.

Battelle has created a closed-loop, on-site destruction solution powered by supercritical water oxidation (SCWO) that does exactly that.

Our Technology

Our PFAS Annihilator™ technology can effectively destroy PFAS in contaminated water to non-detect levels in seconds with inert salts and PFAS-free water remaining. The treated water can be tested to confirm compliance, and then discharged back into the environment.

Battelle’s PFAS Annihilator technology has destroyed 99.999999% of PFOA and PFOS in water with demonstrated starting concentrations of up to 1,700 parts per million (ppm) in liquid. Experimental work is confirming the mass balance of fluorine and demonstrating that all PFAS are destroyed in this closed-loop system.

Desktop version of Battelle's Annihilator destruction technology
The bench-scale version of PFAS Annihilator.

The steady-state energy requirements to run this reactor are minimal through the use of a heat exchanger that extracts the thermal energy of the effluent stream to heat the influent stream.

The PFAS Annihilator technology attributes of innovative heat energy recovery system, cheap oxygenation method, inexpensive supplemental chemicals and one-way destruction channel yield an economically feasible, contamination-free, safe, complete and reliable production of PFAS-free water.

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Current State

Approaches for treating PFAS-contaminated water include single-use ion exchange and/or granular activated carbon (GAC) that require incineration or landfilling for final deposition of PFAS. These achieve temporary PFAS decontamination. However, because these techniques generate secondary waste composed of the adsorption material loaded with concentrated PFAS, these are partial solutions.



Why Total Destruction?

Because of the unique and atypical properties of PFAS, there is a need to implement innovative technologies that can not only remove, but also destroy these substances from contaminated media without the use of incineration.

Total destruction reduces overall risk and can mitigate future regulatory concerns. Current federal guideline suggestions are < 70 ppt for PFOA and PFOS. But what happens if that’s just the tip of the iceberg and future regulations call for lower levels and for additional PFAS? 

Our Annihilator technology has shown destruction to <5 ppt with minimal residence time and no harmful byproducts. Because it destroys the PFAS, there is minimal PFAS-contaminated media for disposal when compared with other technologies. Another benefit is that the Battelle technology is demonstrating destruction at the lowest levels of detection (low ppt), which mitigates concerns with meeting potential future regulatory limits that are currently unknown.

A jar contaminated with PFAS and jar of clean water from the Battelle Annihilator


Technology Readiness

The Annihilator technology is currently being scaled for field-testing in early 2021.

Battelle PFAS Annihilator mobile unit