【摘要】 综述了废旧塑料回收技术的发展概况,重点关注机械回收和化学回收;介绍了废旧塑料的分选技术,机械回收处理混合塑料的解决方案,以及化学回收的研究进展;分析了机械回收与化学回收的优势和局限性,并展望了废旧塑料回收的研究方向。今后的研究重点是更有效的分选装置,更通用的增容方案,以及更高效的催化剂和加热方式。更多还原

【Abstract】 This paper reviews the advances in recycling technologies for waste plastics,focusing on mechanical recycling and chemical recycling. It introduces the separation and sorting technologies used for waste plastics,the solution of mechanical recycling for mixed plastics,and the research progress of chemical recycling. The advantages and limitations of both mechanical recycling and chemical recycling are analyzed.The research tendencies of recycling technologies for waste plastics are concluded. It indicates that the future research priorities are effective sorting plants,versatile compatibilization methods,efficient catalysts and heating technology.更多还原