The Portland Water District (PWD) in Portland, Maine, is exploring options for an advanced regional facility to treat PFAS-contaminated biosolids. Solutions being explored include advanced thermal destruction technologies, such as pyrolysis and gasification, to safely and economically reduce or eliminate PFAS from biosolids.
At its four wastewater treatment facilities (WWTFs), PWD treats wastewater to produce clean water and biosolids. The clean water is released into receiving waters, and the biosolids are treated, then transported to landfills.
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