Per- and polyfluoroalkyl substances (PFAS)

Norwegian Institute of Bioeconomy Research (NIBIO) has completed research indicating that recycled food waste may contain pharmaceutical residues.

  • In addition to pharmaceutical residues, higher concentrations of per- and polyfluoroalkyl substances (PFAS) were found in biogas digestate from sewage sludge compared to that from food waste.
  • PFAS are man-made chemicals used in products such as Teflon pans and water-repellent textiles.
  • The per-and polyfluoroalkyl substances (PFAS) are a group of chemicals used to make fluoropolymer coatings and products that resist heat, oil, stains, grease, and water.
  • Many PFAS are a concern because they: do not break down in the environment, can move through soils and contaminate drinking water sources, build up (bioaccumulate) in fish and wildlife.
  • Some PFAS may affect human growth and development.

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