Using clathrate hydrates for gas storage and gas-mixture separations: experimental and computational studies at multiple length scales |
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Authors: | Ioannis N. Tsimpanogiannis Joseph Costandy Panagiotis Kastanidis Sally El Meragawi Vasileios K. Michalis Nikolaos I. Papadimitriou |
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Affiliation: | 1. Environmental Research Laboratory, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greecei.tsimpanogiannis@qatar.tamu.edu;3. Chemical Engineering Program, Texas A&4. M University at Qatar, Doha, Qatar;5. Institute of Nanoscience and Nanotechnology, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece;6. Institute of Nanoscience and Nanotechnology, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece;7. Environmental Research Laboratory, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece |
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Abstract: | ABSTRACTClathrate hydrates have characteristic properties that render them attractive for a number of industrial applications. Of particular interest are the following two cases: (i) the incorporation of large amounts of gas molecules into the solid structure has resulted in considering hydrates as possible material for the storage/transportation of energy or environmental gases, and (ii) the selective incorporation of guest molecules into the solid structure has resulted in considering hydrates for gas-mixture separations. For the proper design of such industrial applications, it is essential to know accurately a number of thermodynamic, structural and transport properties. Such properties can either be measured experimentally or calculated at different scales that span the molecular scale-up to the continuum scale. By using clathrate hydrates as a particular case study, we demonstrate that performing studies at multiple length scales can be utilised in order to obtain properties that are essential to process design. |
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Keywords: | Clathrate hydrate molecular dynamics grand canonical Monte Carlo experimental three-phase equilibria |
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