Separation of Acetylene from Carbon Dioxide and Ethylene by a Water‐Stable Microporous Metal–Organic Framework with Aligned Imidazolium Groups inside the Channels

Abstract

Supportinginformation and the ORCID identification number(s) for the author(s) of this article can be found under: https://doi.

Construction of a Stable Crystalline Polyimide Porous Organic Framework for C2H2/C2H4 and CO2/N2 Separation

“…Breakthrough experiments showedt hat at 298 Ka nd 1bar the equimolar C 2 H 2 /C 2 H 4 and CO 2 /N 2 selectivities of as-synthesized PAF-120 are 4.8 AE 0.3 and 52 AE 4), respectively,w hich are close to the predicted IAST values (Figures S16 and S17 in the SupportingI nformation). The C 2 H 2 /C 2 H 4 adsorption selectivity of PAF-120 also outmatches those of somet ypical MOFs under the same conditions, such as Fe-MOF-74 (selectivity:1 .87), [9] M'MOF-2a (selectivity: 1.93), [52] and NOTT-300 (selectivity:2 .3), [10] but is outperformed by the selectivities of porousa dsorbents such as JCM-1 (selectivity:1 3.2), [16] SIFSIX-2-Cu-i (selectivity:4 1.01), [2] and UTSA-300a (selectivity > 10 4 ). [11]…”

“…[6][7][8][9][10][11][12][13][14][15] Some MOFs have been documented to be energy-efficient and environmentally friendly adsorbentsc apable of C 2 H 2 /C 2 H 4 and CO 2 /N 2 separation. [1,2,4,[7][8][9][10][11][12][13][14][15][16] Porous organic frameworks (POFs) or covalent organic frameworks (COFs), [17][18][19][20][21][22][23][24] an emerging family of porous materials, have attracted interest from the scientific communityf or their potentiali nm olecular separation, [25,26] catalysis, [27][28][29] drug delivery, [30,31] energy storage, [32][33][34][35] and many other applications. [36][37][38][39][40][41] In 2005, in pioneering work, crystalline COF-1 and COF-5 were fabricated b...…”

Selective Capture of Carbon Dioxide from Hydrocarbons Using a Metal-Organic Framework: Relevance to the Purification of Natural Gas and Acetylene

“…[35][36][37][38][39][40][41][42] Typical physisorbents show a preference for unsaturated hydrocarbons over CO2, especially when bonding between the guest's π electrons and open metal sites can occur. 36,[43][44][45][46][47][48][49] MUF-16 not only exhibits inverted selectivity, its preference for CO2 is observed consistently across the series of acetylene and C2…”

A Universal Porous Adsorbent for the Selective Capture of Carbon Dioxide

“…Invigorated by these results, we applied MUF-16 to the separation of other gas mixtures. While only a few nanoporous materials have been reported for the stripping of CO2 from H2/CO2 feedstocks, (55,56) as required during the purification of syngas, this has been identified as a high priority. (27,57) We conducted breakthrough studies for a 15/85 mixture of CO2/H2 at 293 K and 1.1 bar to show that MUF-16 is able to efficiently separate CO2 from H2.…”