Sheng Fan, Han Wang, Sen Wang, Mei Dong, Weibin Fan
{"title":"甲醇制烯烃过程中沸石催化剂失活机理研究的最新进展","authors":"Sheng Fan, Han Wang, Sen Wang, Mei Dong, Weibin Fan","doi":"10.1007/s11426-024-2078-4","DOIUrl":null,"url":null,"abstract":"<div><p>Methanol to olefins (MTO) as an important reaction in C1 chemistry can effectively transform non-petroleum carbon resources into value-added chemicals. Zeolites have been widely used as MTO catalysts. However, they usually suffer from a rapid deactivation due to bulky coke species production, and thus require continuous regenerations in industrial application. The key to design and develop highly stable zeolite catalysts for MTO process is to unravel the deactivation mechanism and clarify the structure–performance relationship of catalysts. Here, in this mini-review, we investigate the critical intermediate species inducing zeolite deactivation and analyze the formation and evolution pathways of polycyclic aromatic hydrocarbons (PAHs) that are the precursors of carbonaceous deposits. In addition, some methods to alleviate the coking mainly including acid regulation, morphology modification and process optimization, are also summarized.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":772,"journal":{"name":"Science China Chemistry","volume":"67 12","pages":"3934 - 3943"},"PeriodicalIF":9.7000,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Recent progress in the deactivation mechanism of zeolite catalysts in methanol to olefins\",\"authors\":\"Sheng Fan, Han Wang, Sen Wang, Mei Dong, Weibin Fan\",\"doi\":\"10.1007/s11426-024-2078-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Methanol to olefins (MTO) as an important reaction in C1 chemistry can effectively transform non-petroleum carbon resources into value-added chemicals. Zeolites have been widely used as MTO catalysts. However, they usually suffer from a rapid deactivation due to bulky coke species production, and thus require continuous regenerations in industrial application. The key to design and develop highly stable zeolite catalysts for MTO process is to unravel the deactivation mechanism and clarify the structure–performance relationship of catalysts. Here, in this mini-review, we investigate the critical intermediate species inducing zeolite deactivation and analyze the formation and evolution pathways of polycyclic aromatic hydrocarbons (PAHs) that are the precursors of carbonaceous deposits. In addition, some methods to alleviate the coking mainly including acid regulation, morphology modification and process optimization, are also summarized.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":772,\"journal\":{\"name\":\"Science China Chemistry\",\"volume\":\"67 12\",\"pages\":\"3934 - 3943\"},\"PeriodicalIF\":9.7000,\"publicationDate\":\"2024-06-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Science China Chemistry\",\"FirstCategoryId\":\"1\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11426-024-2078-4\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Science China Chemistry","FirstCategoryId":"1","ListUrlMain":"https://link.springer.com/article/10.1007/s11426-024-2078-4","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Recent progress in the deactivation mechanism of zeolite catalysts in methanol to olefins
Methanol to olefins (MTO) as an important reaction in C1 chemistry can effectively transform non-petroleum carbon resources into value-added chemicals. Zeolites have been widely used as MTO catalysts. However, they usually suffer from a rapid deactivation due to bulky coke species production, and thus require continuous regenerations in industrial application. The key to design and develop highly stable zeolite catalysts for MTO process is to unravel the deactivation mechanism and clarify the structure–performance relationship of catalysts. Here, in this mini-review, we investigate the critical intermediate species inducing zeolite deactivation and analyze the formation and evolution pathways of polycyclic aromatic hydrocarbons (PAHs) that are the precursors of carbonaceous deposits. In addition, some methods to alleviate the coking mainly including acid regulation, morphology modification and process optimization, are also summarized.
期刊介绍：
Science China Chemistry, co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China and published by Science China Press, publishes high-quality original research in both basic and applied chemistry. Indexed by Science Citation Index, it is a premier academic journal in the field.
Categories of articles include:
Highlights. Brief summaries and scholarly comments on recent research achievements in any field of chemistry.
Perspectives. Concise reports on thelatest chemistry trends of interest to scientists worldwide, including discussions of research breakthroughs and interpretations of important science and funding policies.
Reviews. In-depth summaries of representative results and achievements of the past 5–10 years in selected topics based on or closely related to the research expertise of the authors, providing a thorough assessment of the significance, current status, and future research directions of the field.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
