加聚类废塑料化学回收技术的研究进展  

Advances in chemical recycling of waste polyolefin plastics

作　　者：马文迪 余强 赵多 吕宇皓 刘仲能 Ma Wendi;Yu Qiang;Zhao Duo;LüYuhao;Liu Zhongneng(Sinopec Shanghai Research Institute of Petrochemical Technology Co.,Ltd.,Shanghai 201208,China)

机构地区：[1]中石化(上海)石油化工研究院有限公司,上海201208

出　　处：《工业催化》2023年第7期15-22,共8页Industrial Catalysis

摘　　要：废塑料在自然界的累积造成了严重的环境问题。从环境保护及资源利用角度出发,亟需对废塑料进行回收利用。化学回收法可以将废塑料高选择性地转化为高附加值化学品。总结了近年来加聚类废塑料化学回收技术的研究进展,包括直接热解、催化热解、加氢裂化及其他化学回收法,着重探讨催化剂、催化体系对产物分布的影响及相应的反应机理。指出高效催化技术是推动废塑料化学回收技术实现工业应用的关键。The accumulation of waste plastics in nature is causing serious environmental pollution.To solve the environmental pollution and utilize waste plastics as one kind of carbon resource,it is urgent to distribute waste plastics to recycling routes.Chemical recycling can depolymerize waste plastics into high value-added chemicals with high selectivity.This paper summarizes the recent research progress of chemical recycling,including direct pyrolysis,catalytic pyrolysis,hydrocracking and other recycling methods,and focuses on the influence of catalysts and catalytic systems on product distribution and the corresponding reaction mechanism.Catalytic strategies should play an important role in promote the industrial application of waste plastic chemical recycling technology.

关 键 词：三废处理与综合利用:废塑料 化学回收 直接热解 催化热解 加氢裂化 

分 类 号：TQ320.9[化学工程—合成树脂塑料工业] X783.2[环境科学与工程—环境工程]