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Researchers Seek to Develop New Tools to Remove PFAS from Agricultural Soil and Nearby Groundwater via The Freshwater Collaborative of Wisconsin

For years, Wisconsin farmers have applied biosolids—a byproduct of wastewater management — to their fields. The process reduces the need for commercial fertilizers, conditions the soil, and reduces the amount of biosolids going into a landfill.

Unfortunately, biosolids may be a major source of per- and polyfluoroalkyl substances (PFAS). These hazardous chemicals are used widely in household products and manufacturing, and they accumulate in biosolids.

Is Biochar a Solution to PFAS Leaching?

Five years ago, UW-Green Bay faculty began investigating whether land application of biosolids would result in PFAS leaching into groundwater. They received funding from the Freshwater Collaborative to partner with faculty and students from UW-Madison, UW-Platteville and UW-Stevens Point to investigate the issue.

Source : uwgb.edu

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