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DTSTART;TZID=America/New_York:20220202T153000
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UID:5984-1643815800-1643819400@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "From Trash to Treasure: Advancing the Heterogeneous Catalytic Deconstruction and Upcycling of Waste Polyolefins"
DESCRIPTION:Abstract \nThe rapid global consumption of single-use plastics has caused an unsustainable accumulation of plastic waste in landfills and the environment. Unfortunately\, current mechanical recycling methods are expensive and produce lower-quality products. New strategies in targeted chemical upcycling of waste plastics offer unique opportunities for selective depolymerization of polyolefins to higher value chemicals under milder conditions than thermal deconstruction or pyrolysis. Inspired by recent developments in the depolymerization of lignin\, we turned to the method of hydrogenolysis to break the strong C-C bonds in polyolefins. This talk will cover our efforts in identifying a class of ruthenium-based materials as active and selective heterogeneous catalysts for the depolymerization of polyolefin waste\, catalyst support modification strategies to further improve selectivity towards processible liquid alkanes\, and new frameworks for the chemical upcycling of waste plastics and complex mixed waste streams to enable a circular carbon economy.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-from-trash-to-treasure-advancing-the-heterogeneous-catalytic-deconstruction-and-upcycling-of-waste-polyolefins/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
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