Recent Progress in the Chemical Upcycling of Plastic Wastes

The massive generation of plastic wastes without satisfactory treatment has induced severe environmental problems and gained increasing attentions. In this Minireview, recent progresses in the chemical upcycling of plastic wastes by using various methods (mainly in the past three to five years) is s...

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Vydané v:ChemSusChem Ročník 14; číslo 19; s. 4137 - 4151
Hlavní autori: Chen, Xi, Wang, Yudi, Zhang, Lei
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Weinheim Wiley Subscription Services, Inc 05.10.2021
Predmet:
catalysis
chemical upcycling
Hydrogenolysis
New technology
plastic waste
polymers
Pyrolysis
Raw materials
Refineries
Solvolysis
sustainable chemistry
Wastes
ISSN:1864-5631, 1864-564X, 1864-564X
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Popis
Shrnutí:The massive generation of plastic wastes without satisfactory treatment has induced severe environmental problems and gained increasing attentions. In this Minireview, recent progresses in the chemical upcycling of plastic wastes by using various methods (mainly in the past three to five years) is summarized. The chemical upcycling of plastic wastes points out a “plastic‐based refinery” concept, which is to use the plastic wastes as platform feedstocks to produce highly valuable monomeric or oligomeric compounds, putting the plastic wastes back into a circular economy. The different chemical methods to upcycle plastic wastes, including hydrogenolysis, photocatalysis, pyrolysis, solvolysis, and others, are introduced in each section to valorize diverse plastic feedstocks into value‐added chemicals, materials, or fuels. In addition, other emerging technologies as well as the new generation of plastic thermosets are covered. What a waste: The chemical upcycling of plastic wastes offers a powerful and efficient strategy to utilize the waste as a resource for a diversity of valuable fuels, chemicals, and materials. The recent advances in this field are introduced in the Minireview.
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ISSN:1864-5631
1864-564X
1864-564X
DOI:10.1002/cssc.202100868