A Fine-Tuned MOF for Gas and Vapor Separation: A Multipurpose Adsorbent for Acid Gas Removal, Dehydration, and BTX Sieving

Mohamed Infas Haja Mohideen, Renjith S. Pillai, Karim Adil, Prashant Bhatt, Youssef Belmabkhout, Aleksander Shkurenko, Guillaume Maurin, Mohamed Eddaoudi

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Summary The development of highly stable separation agents is recognized as a decisive step toward the successful deployment of energy-efficient and cost-effective separation processes. Here, we report the synthesis and construction of a metal-organic framework (MOF), kag-MOF-1, that has adequate structural and chemical features and affords a stable adsorbent with unique and appropriate adsorption properties for gas processing akin to acid gas removal, dehydration, and benzene-toluene-xylene (BTX) sieving. A combination of X-ray diffraction experiments, adsorption studies, mixed-gas breakthrough adsorption column testing, calorimetric measurements, and molecular simulations corroborated the exceptional separation performance of kag-MOF-1 and its prospective use as a multifunctional adsorbent. The unique adsorption properties of kag-MOF-1, resulting from the contracted pore system with aligned periodic array of exposed functionalities, attest to the prominence of this new generation of ultra-microporous material as a prospective practical adsorbent toward cost-effective and more simplified gas and vapor processing flowcharts for natural gas upgrading and flue gas scrubbing.
Original languageEnglish (US)
Pages (from-to)822-833
Number of pages12
JournalChem
Volume3
Issue number5
DOIs
StatePublished - Oct 19 2017

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