Systemically Understanding Aqueous Photocatalytic Upgrading of Microplastic to Fuels

Author:

Kan Miao1,Tao Meng1,Zhuang Weijie1,Wu Shiqun1,Ye Ziwei1,Zhang Jinlong12ORCID

Affiliation:

1. Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 China

2. Shanghai Engineering Research Center for Multimedia Environmental Catalysis and Resource Utilization East China University of Science and Technology 130 Meilong Road Shanghai 200237 China

Abstract

Microplastics (MPs) are regarded as a pervasive contaminant that poses threats to the environment and human safety. However, the high energy storage potential of the C–C and C–H bonds in MPs has led to increased attention toward technological methods for upgrading plastic waste to high‐value‐added fuels. Aqueous photocatalysis has emerged as a promising approach for upgrading MPs due to its solar‐driven properties and ability to generate various radicals. While extensive investigations and reviews have been conducted on photocatalysts and the resulting products within this system, there is an emerging need to comprehensively understand the entire process to enhance efficiency and selectivity further. In this review, significant advancements in the overall system are summarized, including reactants, pretreatments, photocatalysts, additives, and reactors, to enable efficient and selective reactions based upon the principles of state‐of‐the‐art photocatalytic microplastic upgrading. Furthermore, the shortcomings are clarified with proposed possible breakthrough points in each research direction. Ultimately, the significance of developments in pretreatments is highlighted, paving the way for future research possibilities.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

Wiley

Subject

Electrical and Electronic Engineering,Energy Engineering and Power Technology,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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