Polyethylene pellets:BP's SPORT process is designed to recycle used plastics back to their'virgin'form

摘要

All mainstream plastics today are made from feedstocks derived from virgin oil and gas.'Conventional thinking is that waste plastics are essentially solid oil,'explains Rice,'and that if they cannot be recycled cost-effectively using purely mechanical means,then the next best option is to burn them as a fuel to recover their energy.