Effect of Pore Size on the Separation of Ethylene from Ethane in Three Isostructural Metal Azolate Frameworks

Xue Jiang, Tao Zhang, Jian Wei Cao, Chong Kai Zhao, Rong Yang, Qiu Yu Zhang, Kai Jie Chen

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9 引用 (Scopus)

摘要

The pore-size effect on ethane adsorption and ethane/ethylene separation in three isostructural metal azolate frameworks (MAF-123-Mn/Zn/Cu) were thoroughly investigated. MAF-123-Mn/Zn/Cu were synthesized by the solvothermal method on a gram scale. Decreasing the pore size from 6.1 to 4.9 Å leads to an increase in the ethane adsorption energy from 23 to 27.5 kJ mol-1 and further ethane/ethylene separation efficiency. Molecule simulations revealed that a shorter ethane-framework interaction distance in MAF-123-Zn than that in MAF-123-Mn is responsible for the increased adsorption energy. Dynamic breakthrough experiments manifest that these metal azolate frameworks can effectively produce high-purity ethylene from ethane in one adsorption step.

源语言英语
页(从-至)13019-13023
页数5
期刊Inorganic Chemistry
59
18
DOI
出版状态已出版 - 21 9月 2020

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