Getty Images Renewable products technology developer Encina will soon launch its first commercial plant that will leverage pyrolysis to convert waste polypropylene (PP) into end chemicals, and petrochemical giant and biopolymer producer Braskem will buy the output. Encina will invest hundreds of millions and has committed to deliver up to 30,000 tons a year to Braskem, for what will be the developer’s first venture working with this uncommonly-recycled plastic. Encina’s output is refinery grade propylene (RGP), a commodities liquid that contains PP monomer, and Braskem...