Major chemical companies are backing pyrolysis plants that convert plastic waste into hydrocarbon feedstocks that can be turned into plastics again. The process uses high temperatures in the absence of oxygen to break down plastics into a mixture of smaller molecules known as pyrolysis oil. But the practice has its critics, according to a cover story in Chemical & Engineering News.
Click here for original story, Controversial approach aims to expand plastics recycling
Source: Phys.org