Photoreforming (PR) technology is a green and sustainable approach to tackling the environmental pollution problems generated by plastic waste. In this review, recent advances in the PR of plastic waste are summarized that include the design of photocatalysts, regulations on the products, and innovations on the PR devices and compared to traditional methods. The scientific principles of PR reactions in thermodynamics and kinetics are discussed, and approaches to improve the efficiency of PR reactions are proposed, that involve enhancement in light absorption ability, charge carrier migration/separation efficiency, and surface reaction rate. Particularly, the enhancement for H₂ production in the PR reaction is highlighted, and the applications using large-scale reactors are discussed, with advantages and disadvantages of recent reactor configurations. In conclusion, the perspectives on the applications of PR in plastic degradation and hydrogen evolution are given. This review thus comprehensively summarizes scientific principles, challenges, and perspectives of PR reactions on plastic waste to improve the overall efficiency and potential to be applied in the industry.

中文翻译：

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塑料废弃物光转化的最新进展：原理、挑战和展望

光重整 (PR) 技术是解决塑料废物产生的环境污染问题的一种绿色和可持续的方法。在这篇综述中，总结了塑料废物 PR 的最新进展，包括光催化剂的设计、产品法规和 PR 设备的创新，并与传统方法进行了比较。讨论了 PR 反应的热力学和动力学科学原理，并提出了提高 PR 反应效率的方法，包括提高光吸收能力、载流子迁移/分离效率和表面反应速率。_{特别是对 H 2}的增强强调了 PR 反应中的生产，并讨论了使用大型反应器的应用，以及最近反应器配置的优点和缺点。最后，给出了 PR 在塑料降解和析氢中的应用前景。因此，本综述全面总结了塑料废物 PR 反应的科学原理、挑战和前景，以提高整体效率和在行业中的应用潜力。