| Title | Progress and Challenges in Polystyrene Recycling and Upcycling |
|---|---|
| ID_Doc | 25539 |
| Authors | Xu, Z; Sun, DS; Xu, JJ; Yang, R; Russell, JD; Liu, GL |
| Title | Progress and Challenges in Polystyrene Recycling and Upcycling |
| Year | 2024 |
| Published | Chemsuschem, 17, 17 |
| Abstract | Polystyrene is a staple plastic in the packaging and insulation market. Despite its good recyclability, the willingness of PS recycling remains low, largely due to the high recycling cost and limited profitability. This review examines the research progresses, gaps, and challenges in areas that affect the recycling costs, including but not limited to logistics, packaging design, and policymaking. We critically evaluate the recent developments in upcycling strategies, and we particularly focus on tandem and hydrogen-atom transfer (HAT) upcycling strategies. We conclude that future upcycling studies should focus on not only reaction chemistry and mechanisms but also economic viability of the processes. The goal of this review is to stimulate the development of innovative recycling strategies with low recycling costs and high economic output values. We hope to stimulate the economic and technological momentum of PS recycling towards a sustainable and circular economy. Innovations in economics and chemistry are two key factors to 'zipping up' the global plastic deluge. Continuing advancements in logistics, packaging design, policymaking, and upcycling strategies like hydrogen atom transfer and tandem upcycling strategy, are called for to close the PS loop, and broadly, the carbon loop. image |
| https://doi.org/10.1002/cssc.202400474 |
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