材料科学
微型多孔材料
石油化工
三元运算
吸附
金属有机骨架
天然气
丙烷
过程(计算)
化学工程
有机化学
计算机科学
复合材料
工程类
化学
程序设计语言
操作系统
作者
Lianshan Yan,Huaping Zheng,Song Liu,Zhang‐Wen Wei,Ji‐Jun Jiang,Cheng‐Yong Su
标识
DOI:10.1021/acsami.3c15109
摘要
Purifying C2H6/C3H8 from a ternary natural gas mixture through adsorption separation is an important but challenging process in the petrochemical industry. To address this challenge, the industry is exploring effective strategies for designing high-performance adsorbents. In this study, we present two metal-organic frameworks (MOFs), DMOF-TF and DMOF-(CF3)2, which have fluorinated pores obtained by substituting linker ligands in the host material. This pore engineering strategy not only provides suitable pore confinement but also enhances the adsorption capacities for C2H6/C3H8 by providing additional binding sites. Theoretical calculations and transient breakthrough experiments show that the introduction of F atoms not only improves the efficiency of natural gas separation but also provides multiple adsorption sites for C2H6/C3H8-framework interactions.
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