通过电催化技术实现废聚酯塑料单体的升级再循环

IF 13.1 1区化学 Q1 Energy

Journal of Energy Chemistry Pub Date : 2024-10-18 DOI:10.1016/j.jechem.2024.10.005

Haoye Wang , Richard Lee Smith Jr , Xinhua Qi

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引用次数: 0

摘要

在常温常压条件下，电催化技术可将从废聚酯塑料中提取的单体高效、有针对性地转化为化学产品。本综述分析了 2021 年至今发表的有关废聚酯塑料单体电化学升级的研究。评估废聚酯塑料升级的因素包括碱性水解预处理、电化学反应过程指标（活性、稳定性和技术经济分析）、分离和产品回收。此外，还总结了解聚单体的类型及其增值产品，以及电催化机理和反应途径。值得注意的是，阴极耦合反应为电解过程中的阳极废塑料氧化提供了重要价值。开发双功能电催化剂可以降低耦合系统的成本和电解槽的复杂性。利用电催化技术升级和回收废塑料单体时，应进行下游处理，以形成从解聚单体中获得的含有 C-N 和 C-S 衍生官能团的高价值产品。利用电化学技术转化和升级从废弃聚酯塑料中提取的单体，可为工业化和全球经济做出贡献，并有助于实现环境的可持续发展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Upcycling of monomers derived from waste polyester plastics via electrocatalysis

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Upcycling of monomers derived from waste polyester plastics via electrocatalysis

Electrocatalysis offers efficient and targeted conversion of monomers derived from waste polyester plastics to chemical products under ambient temperature and pressure conditions. This review provides analysis of research on electrochemical upgrading of monomers derived from waste polyester plastics published from 2021 to present. Factors for assessing upgrading of waste polyester plastics include alkaline hydrolysis pretreatment, indices of electrochemical reaction process (activity, stability, and techno-economic analysis), separation, and product recovery. Types of depolymerization monomers and their value-added products are summarized along with electrocatalytic mechanisms and reaction pathways. Notably, cathode coupled reactions offer significant value for anodic waste plastic oxidation during electrolysis processes. Development of bifunctional electrocatalysts can reduce the cost of coupled systems and complexity of the electrolyzer. Upgrading and recycling of waste plastic monomers using electrocatalytic technology should undergo downstream processing to form high-value products containing C–N and C–S derived functional groups obtained from depolymerized monomers. Electrochemical conversion and upgrading of monomers derived from waste polyester plastics can contribute to industrialization and global economies and help to realize environmental sustainability.

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来源期刊

Journal of Energy Chemistry CHEMISTRY, APPLIED-CHEMISTRY, PHYSICAL

CiteScore

19.10

自引率

8.40%

发文量

3631

审稿时长

15 days

期刊介绍： The Journal of Energy Chemistry, the official publication of Science Press and the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, serves as a platform for reporting creative research and innovative applications in energy chemistry. It mainly reports on creative researches and innovative applications of chemical conversions of fossil energy, carbon dioxide, electrochemical energy and hydrogen energy, as well as the conversions of biomass and solar energy related with chemical issues to promote academic exchanges in the field of energy chemistry and to accelerate the exploration, research and development of energy science and technologies. This journal focuses on original research papers covering various topics within energy chemistry worldwide, including: Optimized utilization of fossil energy Hydrogen energy Conversion and storage of electrochemical energy Capture, storage, and chemical conversion of carbon dioxide Materials and nanotechnologies for energy conversion and storage Chemistry in biomass conversion Chemistry in the utilization of solar energy