{"title":"用于高效天然气分离的聚酰亚胺基热重排(TR)膜:综述","authors":"","doi":"10.1016/j.seppur.2024.129624","DOIUrl":null,"url":null,"abstract":"<div><p>The burgeoning demand for cleaner energy sources has accentuated natural gas as a pivotal resource, necessitating advancements in separation technologies to enhance its purity and efficiency. Thermal rearranged (TR) polymers exhibit exceptional gas separation performance due to their ability to form a rigid polybenzoxazole (PBO) structure during the TR process, coupled with the creation of ultra-micropores structure facilitated by the removal of CO<sub>2</sub>. However, one of the primary obstacles impeding the industrial development of TR polymers is the elevated permeability of TR membranes, which unfortunately compromises selectivity significantly. In this review, the formation mechanism, functional group structure and position within TR polymers is first examined. Subsequently, a comprehensive analysis of various modifications applied to TR membranes, including the integration of nano-fillers to create TR mixed matrix membranes (MMM), engineering of monomer structures, and the development of carbon molecular sieve (CMS) membranes. An in-depth structure–property relationship of TR membranes, assessing how various filler structures, copolymerization techniques, crosslinking segments, and monomer engineering techniques impact their performance is also discussed. Furthermore, the utilization of TR membranes as precursors to fabricate CMS membranes was investigated. Based on thedetailed analysis of their CO<sub>2</sub> separation performance, the challenges of various modification strategies for TR membranes are identified. Finally, this review concludes with strategic recommendations for future research, emphasizing the need for long-term stability studies, scale-up endeavors and the exploration of hybrid membrane systems. Our review of the current state of polyimide-based TR membrane technology provides a roadmap for advancing the field towards sustainable and efficient natural gas processing.</p></div>","PeriodicalId":427,"journal":{"name":"Separation and Purification Technology","volume":null,"pages":null},"PeriodicalIF":8.1000,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Polyimide-based thermal rearranged (TR) membrane for highly efficient natural gas separation: A review\",\"authors\":\"\",\"doi\":\"10.1016/j.seppur.2024.129624\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The burgeoning demand for cleaner energy sources has accentuated natural gas as a pivotal resource, necessitating advancements in separation technologies to enhance its purity and efficiency. Thermal rearranged (TR) polymers exhibit exceptional gas separation performance due to their ability to form a rigid polybenzoxazole (PBO) structure during the TR process, coupled with the creation of ultra-micropores structure facilitated by the removal of CO<sub>2</sub>. However, one of the primary obstacles impeding the industrial development of TR polymers is the elevated permeability of TR membranes, which unfortunately compromises selectivity significantly. In this review, the formation mechanism, functional group structure and position within TR polymers is first examined. Subsequently, a comprehensive analysis of various modifications applied to TR membranes, including the integration of nano-fillers to create TR mixed matrix membranes (MMM), engineering of monomer structures, and the development of carbon molecular sieve (CMS) membranes. An in-depth structure–property relationship of TR membranes, assessing how various filler structures, copolymerization techniques, crosslinking segments, and monomer engineering techniques impact their performance is also discussed. Furthermore, the utilization of TR membranes as precursors to fabricate CMS membranes was investigated. Based on thedetailed analysis of their CO<sub>2</sub> separation performance, the challenges of various modification strategies for TR membranes are identified. Finally, this review concludes with strategic recommendations for future research, emphasizing the need for long-term stability studies, scale-up endeavors and the exploration of hybrid membrane systems. Our review of the current state of polyimide-based TR membrane technology provides a roadmap for advancing the field towards sustainable and efficient natural gas processing.</p></div>\",\"PeriodicalId\":427,\"journal\":{\"name\":\"Separation and Purification Technology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":8.1000,\"publicationDate\":\"2024-09-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Separation and Purification Technology\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S138358662403363X\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, CHEMICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Separation and Purification Technology","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S138358662403363X","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
Polyimide-based thermal rearranged (TR) membrane for highly efficient natural gas separation: A review
The burgeoning demand for cleaner energy sources has accentuated natural gas as a pivotal resource, necessitating advancements in separation technologies to enhance its purity and efficiency. Thermal rearranged (TR) polymers exhibit exceptional gas separation performance due to their ability to form a rigid polybenzoxazole (PBO) structure during the TR process, coupled with the creation of ultra-micropores structure facilitated by the removal of CO2. However, one of the primary obstacles impeding the industrial development of TR polymers is the elevated permeability of TR membranes, which unfortunately compromises selectivity significantly. In this review, the formation mechanism, functional group structure and position within TR polymers is first examined. Subsequently, a comprehensive analysis of various modifications applied to TR membranes, including the integration of nano-fillers to create TR mixed matrix membranes (MMM), engineering of monomer structures, and the development of carbon molecular sieve (CMS) membranes. An in-depth structure–property relationship of TR membranes, assessing how various filler structures, copolymerization techniques, crosslinking segments, and monomer engineering techniques impact their performance is also discussed. Furthermore, the utilization of TR membranes as precursors to fabricate CMS membranes was investigated. Based on thedetailed analysis of their CO2 separation performance, the challenges of various modification strategies for TR membranes are identified. Finally, this review concludes with strategic recommendations for future research, emphasizing the need for long-term stability studies, scale-up endeavors and the exploration of hybrid membrane systems. Our review of the current state of polyimide-based TR membrane technology provides a roadmap for advancing the field towards sustainable and efficient natural gas processing.
期刊介绍:
Separation and Purification Technology is a premier journal committed to sharing innovative methods for separation and purification in chemical and environmental engineering, encompassing both homogeneous solutions and heterogeneous mixtures. Our scope includes the separation and/or purification of liquids, vapors, and gases, as well as carbon capture and separation techniques. However, it's important to note that methods solely intended for analytical purposes are not within the scope of the journal. Additionally, disciplines such as soil science, polymer science, and metallurgy fall outside the purview of Separation and Purification Technology. Join us in advancing the field of separation and purification methods for sustainable solutions in chemical and environmental engineering.