Almost 15 years ago Agilyx opened a pyrolysis plant that specialises in processing hard-to-recycle mixed plastics into high-quality synthetic crude oil. In April 2018, the Tigard, Oregon-based company delved into new territory that has the potential to revolutionise polystyrene (PS) recycling. Agilyx has started operating a circular chemical recycling system that de-polymerises PS to create a styrene monomer oil. Agilyx processes all forms of PS, but it has earned the most attention for accepting expanded polystyrene (EPS), also called foam, into its recycling facilities. EPS presents a variety of recycling challenges, in part because of its low melting point and light weight – which often makes transport expensive and is rarely accepted in U.S. curbside recycling progr...