Pyrolysis processing of PFAS-impacted biosolids, a pilot study

Concentrations of per- and poly-fluoroalkyl substances (PFAS) present in wastewater treatment biosolids are a growing concern.

Pyrolysis is a thermal treatment technology for biosolids that can produce a useful biochar product with reduced levels of PFAS and other contaminants.

Additional research is warranted to understand all potential PFAS transformation emission routes and optimal air pollution emissions control strategies for this technology class.

Authors:
Eben D. Thoma
Robert S. Wright
Ingrid George
Max Krause
Dario Presezzi
Valentino Villa
William Preston
Parik Deshmukh
Phil Kauppi
Peter G. Zemek