Direct Visualization of Supramolecular Binding and Separation of Light Hydrocarbons in MFM-300(In).
Direct Visualization of Supramolecular Binding and Separation of Light Hydrocarbons in MFM-300(In).
复制标题
DOI：
10.1021/acs.chemmater.2c01097
复制
发表时间：
2022-06-28
影响因子：
8.6
通讯作者：
Schroder, Martin
中科院分区：
文献类型：
--
作者：
Guo, Lixia;Savage, Mathew;Carter, Joe H.;Han, Xue;da Silva, Ivan;Manuel, Pascal;Rudic, Svemir;Tang, Chiu C.;Yang, Sihai;Schroder, Martin
低碳烯烃的提纯是全球最重要的化学分离之一，消耗大量能源。多孔材料能够作为固体、可再生的吸附剂来提高这一过程的效率。然而，要开发转换系统，必须充分了解多孔材料中吸附的潜在机制。本文报道了C2和C3烃在金属-有机骨架MFM-300(In)中的吸附和动态分离，它在乙烷/乙烯和丙炔/丙烯混合物的分离中表现出良好的性能。观察到在低压下乙烷在乙烯上的异常选择性吸附，导致从乙烯/乙烷混合物中选择性保留乙烷，从而显示其一步提纯乙烯(纯度99.9%)的潜力。原位中子粉末衍射和非弹性中子散射揭示了C2和C3烃在MFM-300(In)上的吸附择优吸附区域和主客体结合动力学。
The purification of light olefins is one of the most important chemical separations globally and consumes large amounts of energy. Porous materials have the capability to improve the efficiency of this process by acting as solid, regenerable adsorbents. However, to develop translational systems, the underlying mechanisms of adsorption in porous materials must be fully understood. Herein, we report the adsorption and dynamic separation of C2 and C3 hydrocarbons in the metal–organic framework MFM-300(In), which exhibits excellent performance in the separation of mixtures of ethane/ethylene and propyne/propylene. Unusually selective adsorption of ethane over ethylene at low pressure is observed, resulting in selective retention of ethane from a mixture of ethylene/ethane, thus demonstrating its potential for a one-step purification of ethylene (purity > 99.9%). In situ neutron powder diffraction and inelastic neutron scattering reveal the preferred adsorption domains and host–guest binding dynamics of adsorption of C2 and C3 hydrocarbons in MFM-300(In).
登录
查看更多内容
影响因子：
4.6
作者：
Krap CP;Newby R;Dhakshinamoorthy A;García H;Cebula I;Easun TL;Savage M;Eyley JE;Gao S;Blake AJ;Lewis W;Beton PH;Warren MR;Allan DR;Frogley MD;Tang CC;Cinque G;Yang S;Schröder M
通讯作者：
Schröder M
影响因子：
15
作者：
Aguado, Sonia;Bergeret, Gerard;Farrusseng, David
通讯作者：
Farrusseng, David
影响因子：
15
作者：
Bachman, Jonathan E.;Kapelewski, Matthew T.;Long, Jeffrey R.
通讯作者：
Long, Jeffrey R.
影响因子：
12.9
作者：
Blay, Vincent;Louis, Benoit;Yilmaz, Bilge
通讯作者：
Yilmaz, Bilge
影响因子：
8.4
作者：
Geier, Stephen J.;Mason, Jarad A.;Long, Jeffrey R.
通讯作者：
Long, Jeffrey R.