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Adsorptive Separation of Aromatic Compounds from Alkanes by pi-pi Interactions in a Carbazole-Based Conjugated Microporous Polymer
T. F. Chen, W. X. Zhang, B. Li, W. B. Huang, C. H. Lin, Y. Wu, S. H. Chen and H. P. Ma
2020
发表期刊Acs Applied Materials & Interfaces
ISSN1944-8244
卷号12期号:50页码:56385-56392
摘要Separation of aromatic/alkane mixtures of similar size and properties is critical for the chemical industry as conventional thermal separation is a high-cost and an energy-intensive process. Adsorptive separation based on porous materials is a prospective and economical technology as well as a suitable alternative to the energy-inefficient heat-driven separation process. With this in mind, we design and synthesize a novel microporous polymer (termed CMP-S-1) with a conjugated aromatic skeleton as a porous adsorbent for aromatic/alkane separation. CMP-S-1 possesses high aromatic adsorption selectivity in two representative separation systems (benzene vs cyclohexane and 3-methylthiophene vs n-octane) based on a vapor adsorption experiment and an ideal adsorbed solution theory simulation. The instant adsorption rate, adsorption energy calculations, and liquid fixed-bed breakthrough experiments give convincing demonstrations on the preferential selective adsorption of aromatic compounds over alkanes in CMP-S-1. The strong pi-pi interaction between aromatics and the naphthalene ring is considered as the main reason for the strong affinity of aromatic compounds in the CMP-S-1 skeleton. The remarkable aromatic/alkane separation performance of CMP-S-1 verifies the important influence of the pi-conjugation interaction in the conjugated porous polymer for the low-energy consumption adsorption separation process.
DOI10.1021/acsami.0c18232
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收录类别SCI
语种英语
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/64290
专题中国科学院长春光学精密机械与物理研究所
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T. F. Chen, W. X. Zhang, B. Li, W. B. Huang, C. H. Lin, Y. Wu, S. H. Chen and H. P. Ma. Adsorptive Separation of Aromatic Compounds from Alkanes by pi-pi Interactions in a Carbazole-Based Conjugated Microporous Polymer[J]. Acs Applied Materials & Interfaces,2020,12(50):56385-56392.
APA T. F. Chen, W. X. Zhang, B. Li, W. B. Huang, C. H. Lin, Y. Wu, S. H. Chen and H. P. Ma.(2020).Adsorptive Separation of Aromatic Compounds from Alkanes by pi-pi Interactions in a Carbazole-Based Conjugated Microporous Polymer.Acs Applied Materials & Interfaces,12(50),56385-56392.
MLA T. F. Chen, W. X. Zhang, B. Li, W. B. Huang, C. H. Lin, Y. Wu, S. H. Chen and H. P. Ma."Adsorptive Separation of Aromatic Compounds from Alkanes by pi-pi Interactions in a Carbazole-Based Conjugated Microporous Polymer".Acs Applied Materials & Interfaces 12.50(2020):56385-56392.
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