Microporous Zinc Formate for Efficient Separation of Acetylene over Carbon Dioxide
作者机构：Key Laboratory of Bioinorganic and Synthetic ChemistryMinistry of EducationSchool of ChemistrySun Yat-Sen UniversityGuangzhou 510275P.R.China
出 版 物：《Chemical Research in Chinese Universities》 (高等学校化学研究（英文版）)
年 卷 期：2022年第38卷第1期
页 面：87-91页
核心收录：
学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学]
基 金：This work was supported by the National Natural Science Foudation of China(No.22090061) the Hundred Talents Program of Sun Yat-Sen University,China
主 题：Porous material Zinc formate Gas separation Acetylene Carbon dioxide
摘 要：Separation of acetylene(C2H2) from carbon dioxide(CO_(2)) by adsorbents is very challenging owing to their high similarity on molecular shape and dimension. Exploring inexpensive and easily available porous materials is of importance to facilitate the practical implementation of the challenging but energy-efficient separation. Herein, we utilize an easily available porous material[Zn3(HCOO)6] for the selective separation of C2H2 ovCO_(2)CO_(2). Because of the pore confinement in[Zn3(HCOO)6](pore size of 0.47 nm) and accessible oxygen sites for preferential binding of C2H2, this material exhibits high low-pressure uptake for C2H2(63 cm3/cm3 at 10 kPa and 298 K) and highCO_(2)H2/CO_(2) selectivity(7.4 under ambient conditions) that is comparable to those of out-performing porous materials. The efficient separation of[Zn3(HCOO)6] CO_(2) C2H2/CO_(2) mixture has also been confirmed by the breakthrough experiments.
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