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MOF Design to Applications: Impact of pore system control on gas separations and storage 
Wednesday, 13 March 2019,  4:00
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MANUEL CARDONA LECTURES

MOF Design to Applications: Impact of pore system control on gas separations and storage

Prof. Mohamed Eddaoudi

Advanced Membranes and Porous Materials Centre, Functional Materials Design, Discovery and development (FMD3) Research Group;
King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia

 

Short abstract:

Metal-organic frameworks (MOFs) burgeoned in recent years due to effective design strategies (i.e. reticular
chemistry) for their synthesis and their inherent [and readily interchangeable] hybrid, functional character.
Markedly, MOFs are amenable to design and manipulation for desired function and application. Several
design strategies have been utilized and developed to target viable MOF platforms based on edge transitive
nets, minimal edge transitive nets, and our recently introduced merged nets: molecular building block (MBB)
approach, hierarchical supermolecular building block, supermolecular building layer approaches (SBB and
SBL, respectively). Various key gas/vapors separations are accomplished using energy intensive processes as
exemplified by the olefin/paraffin separation, an essential separation in chemical industry.
Here we present our progress in the development of functional MOFs to address some energy-intensive
separations. Successful practice of reticular chemistry had afforded the fabrication of various chemically
stable fluorinated MOF adsorbent materials (NbOFFIVE-1-Ni, also referred to as KAUST-7 and AlFFIVE-1-Ni,
also referred to as KAUST-8). The restricted MOF window resulted in the selective molecular exclusion of
propane from propylene at atmospheric pressure, as evidenced by multiple cyclic mixed-gas adsorption and
calorimetric studies. Remarkably, KAUST-7 maintains its distinctive separation properties in the presence of
water as a result of its high chemical and hydrolytic stability.
The development of suitable storage and refining processes makes natural gas an excellent alternative fuel,
but before its transport and use, natural gas must first be dehydrated. Conventional dehydration agents are
energy intensive. KAUST-8 selectively removes water and requires just 105°C for regeneration of the
dehydrating agent.
The deliberate control of the pore aperture-size of various selected MOFs and its impact on various
separations will be discussed.

Location Sala d’actes i reunions, Facultat Ciències i Biociències UAB
Contact This email address is being protected from spambots. You need JavaScript enabled to view it.
https://icn2.cat/en/events/eventdetail/1002/mof-design-to-applications-impact-of-pore-system-control-on-gas-separations-and-storage

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