Method for degradation of pfas based on sonocatalysis

A method for removing PFAS contaminants from a PFAS contaminated aqueous stream, comprising:

• introducing the PFAS contaminated aqueous stream into a continuous flow reactor with a photocatalyst reagent in the presence of UV radiation and ultrasonic energy to degrade the PFAS contaminants and produce a treated aqueous stream comprising byproducts of the degraded PFAS contaminants, wherein the continuous flow reactor comprises:
• one or more tubular reactor bodies in which the PFAS contaminated aqueous stream and the photocatalyst reagent are exposed to the UV radiation and the ultrasonic energy;
• and
• an outer reactor body that encircles the one or more tubular reactor bodies.

A continuous flow reactor, comprising:

• one or more quartz tubular reactor bodies that each define a reactor region in which a PFAS contaminated aqueous stream flows and a photocatalyst reagent are exposed to UV radiation and ultrasonic energy to degrade the PFAS contaminants;
• an outer reactor body that encircles the one or more quartz tubular reactor bodies;
• one or more UV sources positioned to deliver the UV radiation to the PFAS contaminated aqueous stream and the photocatalyst reagent;
• and
• one or more ultrasonic transducers positioned to deliver the ultrasonic energy to the PFAS contaminated aqueous stream and the photocatalyst reagent.