丙烷直接脱氢制丙烯催化剂研究进展  

Advances on catalysts for direct dehydrogenation of propane to propylene

作　　者：赵俊宇 张洁[1] 陈金伟[1] 王刚[1] 杨富文 贺俊杰 施宗波 卓润生 王瑞林[1] Zhao Junyu;Zhang Jie;Chen Jinwei;Wang Gang;Yang Fuwen;He Junjie;Shi Zongbo;Zhuo Runsheng;Wang Ruilin(College of Materials Science and Engineering,Sichuan University,Chengdu 610065,Sichuan,China;REZEL Catalysts Co.,Ltd.,Shanghai 200120,China)

机构地区：[1]四川大学材料科学与工程学院,四川成都610065 [2]润和催化剂股份有限公司,上海200120

出　　处：《工业催化》2023年第3期1-19,共19页Industrial Catalysis

基　　金：四川省重大科技专项项目(2019ZDZX0025);四川省科技成果转移转化示范(2021ZHCG0022);四川省国际科技创新合作(2020YFH0176);四川省科技计划项目(2020SZYZF0002);四川省国际科技创新合作项目(2022YFH0039)。

摘　　要：丙烯是一种重要的化工原料,其制备工艺技术和产量是衡量一个国家化学工业水平标志之一。目前丙烯的主要生产技术包括催化裂化、石脑油和轻柴油的蒸气裂化等,其中高催化活性、长寿命和低成本的裂化催化剂制备技术是大规模生产丙烯的基础和保障。丙烷脱氢(PDH)制丙烯技术因其技术路线成熟、经济环保,被认为是最具发展潜力的丙烯生产技术之一。其催化剂是PDH的核心和瓶颈,已成为当前的研究热点,得到国内外广大科研人员的关注。首先介绍丙烷直接脱氢制丙烯反应的热力学和反应机理;然后对几种代表性的PDH催化剂制备技术与催化活性进行较为详尽的综述,总结归纳各类催化剂的化学组成、催化剂的作用机制以及活性物种和性质对催化丙烷脱氢性能的影响,并分析讨论相应催化剂存在的问题;最后,提出今后丙烷脱氢催化剂的重点研究方向,为未来丙烷脱氢制丙烯高效催化剂的设计和研究提供新的视角。Propylene is a kind of important chemical raw materials,and its preparation technology and yield are deemed as indicators to measure the level of a national chemical industry.At present,the main production technologies of propylene include catalytic cracking,steam cracking of naphtha and light diesel oil,etc.The preparation technology of cracking catalyst with high catalytic activity,long life and low cost is the basis and guarantee of large-scale production of propylene.Propane dehydrogenation(PDH)to propylene is considered as one of the most promising propylene production process due to its mature technological route,economic and environment-friendly.The PDH catalysts,regarded as the core and bottleneck for propylene production,have been widely investigated by researchers.In this review,the thermodynamics and mechanism of direct dehydrogenation of propane to propylene are firstly introduced.And then,preparation technology and catalytic activity of several representative PDH catalysts are reviewed in detail,including the chemical compositions,catalytic mechanism as well as the effects of active species and properties on catalytic performance.Besides,the existing problems in the development of PDH catalysts are also discussed.Finally,the challenges and directions of PDH catalysts are provided for the development of further industrial application.

关 键 词：催化剂工程 丙烷脱氢 丙烯 催化剂 构效关系 催化性能 

分 类 号：TQ426.94[化学工程] TQ221.212