Brown and Caldwell Receives Funding for PFAS Incineration Study

Photo Credit: Brown and Caldwell
Environmental engineering firm Brown and Caldwell (Walnut Creek, Calif.) has been granted funding from The Water Research Foundation (WRF) to study the fate of per- and polyfluoroalkyl substances (PFAS) through sewage sludge incineration.
Thermal treatment of PFAS-laden wastewater solids through sewage sludge incinerators (SSIs) offers a potential PFAS control strategy; however, with few published research studies available, the ability of SSIs to fully mineralize PFAS is unknown.
Photo Credit: Brown and Caldwell
To this end, a research team led by co-principal investigators Lloyd Winchell (Brown and Caldwell) and Dr. Detlef Knappe (North Carolina State University) has been awarded a $100,000 grant from WRF through its Tailored Collaboration Program to support utility-specific/regional issues. The study aims to explain the fate of PFAS compounds through SSIs and provide utilities with an indication of the extent to which SSIs can eliminate or reduce PFAS emissions. The team includes chemists, PFAS specialists, and thermal processing experts from 10 utility partners and one trade organization. One supporting partner is the city of Cedar Rapids, Iowa, mindful of its role in understanding PFAS at its Water Pollution Control Facility.

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