废旧PET回收循环利用方法的研究进展  

Research Progress on Recycling Methods of Waste PET

作　　者：黄逸伦 张师军[1] 吴长江[1] Huang Yilun;Zhang Shijun;Wu Changjiang(Beijing Research Institute of Chemical Industry,SINOPEC,Beijing,100013)

机构地区：[1]中国石油化工股份有限公司北京化工研究院,北京100013

出　　处：《现代塑料加工应用》2021年第3期52-55,共4页Modern Plastics Processing and Applications

基　　金：国家重点研发计划项目(2020YFC1910300)。

摘　　要：综述了废旧聚对苯二甲酸乙二醇酯(PET)的物理回收法、化学回收法、生物回收法和创新循环利用方法。重点总结了废旧PET化学回收法和生物回收法的解聚反应机理和应用情况,介绍了光驱动分解、微波辅助分解和废旧PET的高附加值利用创新方法,分析了不同回收方法的优势与局限性,提出了废旧PET回收循环利用未来可能的发展方向。The mechanical recycling,chemical recycling,biological recycling and innovative recycling methods of waste polyethylene terephthalate(PET)were reviewed.The depolymerization reaction mechanism and applications of chemical recycling and biological recycling of waste PET were mainly summarized.Light-driven depolymerization,microwave-assisted depolymerization and innovative methods for high value-added recycling of waste PET were introduced as well.Besides,the advantages and limitations of different recycling methods were analyzed,and possible future development directions for the recycling of waste PET are proposed.

关 键 词：废旧聚对苯二甲酸乙二醇酯 化学回收 生物回收 高附加值利用 

分 类 号：TQ3[化学工程]