Polyethylene upcycling to long-chain alkylaromatics by tandem hydrogenolysis/aromatization

The current scale of plastics production and the accompanying waste disposal problems represent a largely untapped opportunity for chemical upcycling. Tandem catalytic conversion by platinum supported on γ-alumina converts various polyethylene grades in high yields (up to 80 weight percent) to low-m...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2020-10, Vol.370 (6515), p.437-441
Hauptverfasser:	Zhang, Fan, Zeng, Manhao, Yappert, Ryan D, Sun, Jiakai, Lee, Yu-Hsuan, LaPointe, Anne M, Peters, Baron, Abu-Omar, Mahdi M, Scott, Susannah L
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkylbenzenes Aluminum oxide Carbon Catalysts Catalytic converters Chemical degradation Coupling (molecular) Cutting Exothermic reactions Gases Hydrogen Hydrogenolysis INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY Molecular chains Plastics Platinum Polyethylene Polyethylenes Polymers Polyolefins Raw materials Transitional aluminas Waste disposal Weight
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