IIIEE Lunds University Chemical Recycling of Plastics Gasification and Pyrolyssis of plastic Waste under a Circular Economy perpective Biorefinery Recupera for the production of renewable chemcial resources Ecologia e economia nao se contrapoen Chem rec comparison table Options for recycling of plastics Arec 2021 waste plastic to h2 White hydrogen from plastics Plastic circularity flow diagram All methods available for plastic recycling