Our newly developed PFAS Filter Media takes a different approach by integrating three complementary filtration mechanisms into one engineered media structure. By combining size exclusion, absorption, and adsorption, the media is designed to maximize PFAS removal efficiency while protecting downstream systems and making better use of activated carbon.
- Size Exclusion: The meltblown layers act as a physical barrier, trapping larger particles and sediments. Through particle filtration larger particles and sediments are captured that would otherwise reach PFAS‑active surfaces.
- Absorption: Additional surface area provided by meltblown structures enhances contaminant capture, leaving maximum carbon surface area dedicated to PFAS adsorption. The absorption mechanism supports the removal of upstream co-contaminants, freeing the carbon surface almost entirely for PFAS adsorption while ensuring a consistent PFAS performance over time
- Adsorption: The carbon-coated nylon layer captures PFAS molecules by leveraging hydrogen bonding and hydrophobicity, ensuring targeted removal of these persistent contaminants.
Unlike conventional designs where carbon surface area is partially consumed by other impurities, the upstream protection allows adsorption to focus specifically on PFAS. This results in a higher effective utilization of carbon with an improved PFAS removal efficiency all while needing less carbon for the same performance level.
The Combined Effect on PFAS Removal Efficiency
Individually, each mechanism supports PFAS removal. Together, they create a synergistic filtration system:
- Size exclusion protects adsorption layers
- Absorption reduces contaminant interference
- Adsorption focuses exclusively on PFAS
This complementary approach allows the PFAS Filter Media to deliver high PFAS removal efficiency while improving media utilization, extending service life, and lowering total system cost. At the same time, it protects downstream carbon and ion‑exchange resins, enabling overall filtration systems to perform more efficiently and reliably.
Learn more about our material solutions for PFAS filtration here.
