Using clathrate hydrates for gas storage and gas-mixture separations
experimental and computational studies at multiple length scales
Ioannis N. Tsimpanogiannis (National Centre for Scientific Research Demokritos)
Joseph Costandy (Texas A&M University at Qatar)
Panagiotis Kastanidis (National Centre for Scientific Research Demokritos)
Sally El Meragawi (Texas A&M University at Qatar)
Vasileios K. Michalis (National Centre for Scientific Research Demokritos, Texas A&M University at Qatar)
Nikolaos I. Papadimitriou (National Centre for Scientific Research Demokritos)
Stylianos N. Karozis (National Centre for Scientific Research Demokritos)
Nikolaos I. Diamantonis (Texas A&M University at Qatar)
Othonas A. Moultos (TU Delft - Engineering Thermodynamics)
George E. Romanos (National Centre for Scientific Research Demokritos)
Athanassios K. Stubos (National Centre for Scientific Research Demokritos)
Ioannis G. Economou (Texas A&M University at Qatar)
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Abstract
Clathrate 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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