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Jafari Daghalian Sofla S, Servio P, Rey AD. Atomistic-geometry inspired structure-composition-property relations of hydrogen sII hydrates. Sci Rep 2023; 13:19675. [PMID: 37951989 PMCID: PMC10640630 DOI: 10.1038/s41598-023-46716-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 11/03/2023] [Indexed: 11/14/2023] Open
Abstract
Gas hydrates are crystalline inclusion compounds formed by trapping gas molecules inside water cages at high pressures and low temperatures. Hydrates are promising materials for hydrogen storage, but their potential depends on understanding their mechanical properties. This work integrates density functional theory (DFT) simulations with a geometry-inspired composite material model to explore the bulk moduli of structure II hydrogen hydrates subjected to pressure loads of - 0.2 to 3 GPa, representative of the hydrogen hydrate formation conditions. Our findings reveal that structure II hydrate comprises a bi-continuous composite of small and large cages with nearly equal volume fractions. The bulk modulus increases with rising pressure but decreases with increasing composition. Notably, these results align closely with the ideal laws of mixtures, especially at low pressures and compositions, where cage interactions are minimal. This integrated DFT-laws of mixtures methodology provides a key database for fast estimation of hydrate mechanical properties without costly computations.
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Affiliation(s)
| | - Phillip Servio
- Department of Chemical Engineering, McGill University, Montreal, QC, H3A 0C5, Canada
| | - Alejandro D Rey
- Department of Chemical Engineering, McGill University, Montreal, QC, H3A 0C5, Canada.
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2
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Yang P, Guo D, Fang B. Dynamic Dissociation Behaviors of sII Hydrates in Liquid Water by Heating: A Molecular Dynamics Simulation Approach. ACS OMEGA 2022; 7:42774-42782. [PMID: 36467936 PMCID: PMC9713880 DOI: 10.1021/acsomega.2c04488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 11/02/2022] [Indexed: 06/17/2023]
Abstract
An understanding of the dynamic behavior of subtle hydrate dissociation in the liquid water phase is fundamental for gas production from marine hydrate reservoirs. Molecular dynamics simulations are performed in this study to investigate the dissociation kinetics of pure propane and binary propane + methane sII hydrates in a liquid water environment. The results show that faster hydrate dissociation rates are observed at higher initial temperatures. The hydrate phase dissociates from the cluster surface to the inside in a layer-by-layer manner under the simulation temperature conditions, which is similar to the behavior of sI hydrates and is independent of the hydrate crystal type. Compared to the binary sII hydrate, the pure sII hydrate dissociates more easily under the same initial temperature conditions, which can be attributed to the stabilizing effect of guest molecules in the hydrate cages. The empty cages collapse in one step, in contrast to the two-step pathway induced by the guest-host interaction. In addition, a hydrocarbon phase forms in the binary hydrate dissociation system instead of nanobubbles. These results can provide molecular-level insights into the dynamic mechanism of hydrate dissociation and theoretical guidance for gas recovery by thermal injection from marine hydrate reservoirs.
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Affiliation(s)
- Peihan Yang
- School
of Mathematics and Physics, China University
of Geosciences, Wuhan430074, China
| | - Dongdong Guo
- School
of Earth and Environment, Anhui University
of Science & Technology, Huainan232001, China
| | - Bin Fang
- School
of Mathematics and Physics, China University
of Geosciences, Wuhan430074, China
- Process
and Energy Department, Delft University
of Technology, Leeghwaterstraat
39, 2628CBDelft, The Netherlands
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3
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Mathews S, Daghash S, Rey A, Servio P. Recent Advances in Density Functional Theory and Molecular Dynamics Simulation of Mechanical, Interfacial, and Thermal Properties of Natural Gas Hydrates in Canada. CAN J CHEM ENG 2022. [DOI: 10.1002/cjce.24516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Samuel Mathews
- Department of Chemical Engineering McGill University Montréal Québec Canada
| | - Shaden Daghash
- Department of Chemical Engineering McGill University Montréal Québec Canada
| | - Alejandro Rey
- Department of Chemical Engineering McGill University Montréal Québec Canada
| | - Phillip Servio
- Department of Chemical Engineering McGill University Montréal Québec Canada
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Tsimpanogiannis IN. A novel hybrid method for the calculation of methane hydrate-water interfacial tension along the three-phase (hydrate-liquid water-vapor) equilibrium line. J Chem Phys 2021; 155:024702. [PMID: 34266278 DOI: 10.1063/5.0051383] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
We use a novel hybrid method to explore the temperature dependence of the solid-liquid interfacial tension of a system that consists of solid methane hydrate and liquid water. The calculated values along the three-phase (hydrate-liquid water-vapor) equilibrium line are obtained through the combination of available experimental measurements and computational results that are based on approaches at the atomistic scale, including molecular dynamics and Monte Carlo. An extensive comparison with available experimental and computational studies is performed, and a critical assessment and re-evaluation of previously reported data is presented.
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Affiliation(s)
- Ioannis N Tsimpanogiannis
- Chemical Process & Energy Resources Institute (CPERI), Centre for Research & Technology Hellas (CERTH), 57001 Thermi-Thessaloniki, Greece
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Ghafari H, Mohammadi-Manesh H. How Does the Guest—Host Hydrogen Bonding Affect the Thermal Properties of Clathrate Hydrates? J STRUCT CHEM+ 2020. [DOI: 10.1134/s0022476620030038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ghafari H, Mohammadi-Manesh H. The thermal properties of binary structure sI clathrate hydrate from molecular dynamics simulation. MOLECULAR SIMULATION 2019. [DOI: 10.1080/08927022.2019.1572142] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Hakime Ghafari
- Department of Chemistry, Faculty of Science, Yazd University, Yazd, Iran
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Tsimpanogiannis IN, Costandy J, Kastanidis P, El Meragawi S, Michalis VK, Papadimitriou NI, Karozis SN, Diamantonis NI, Moultos OA, Romanos GE, Stubos AK, Economou IG. Using clathrate hydrates for gas storage and gas-mixture separations: experimental and computational studies at multiple length scales. Mol Phys 2018. [DOI: 10.1080/00268976.2018.1471224] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Ioannis N. Tsimpanogiannis
- Environmental Research Laboratory, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece
| | - Joseph Costandy
- Chemical Engineering Program, Texas A&M University at Qatar, Doha, Qatar
| | - Panagiotis Kastanidis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece
| | - Sally El Meragawi
- Chemical Engineering Program, Texas A&M University at Qatar, Doha, Qatar
| | - Vasileios K. Michalis
- Chemical Engineering Program, Texas A&M University at Qatar, Doha, Qatar
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece
| | - Nikolaos I. Papadimitriou
- Environmental Research Laboratory, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece
| | - Stylianos N. Karozis
- Environmental Research Laboratory, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece
| | | | - Othonas A. Moultos
- Engineering Thermodynamics, Process & Energy Department, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Delft, Netherlands
| | - George E. Romanos
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece
| | - Athanassios K. Stubos
- Environmental Research Laboratory, National Center for Scientific Research ‘Demokritos’, Aghia Paraskevi Attikis, Greece
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Papadimitriou NI, Tsimpanogiannis IN, Economou IG, Stubos AK. Monte Carlo simulations of the separation of a binary gas mixture (CH4 + CO2) using hydrates. Phys Chem Chem Phys 2018; 20:28026-28038. [DOI: 10.1039/c8cp02050g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The current study employs Grand Canonical Monte Carlo simulations in order to calculate the process efficiency of separating CH4 + CO2 gas mixtures by utilizing structure sI clathrate hydrates.
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Affiliation(s)
- Nikolaos I. Papadimitriou
- National Center for Scientific Research “Demokritos”
- Environmental Research Laboratory
- 15310 Aghia Paraskevi Attikis
- Greece
- Public Power Corporation
| | - Ioannis N. Tsimpanogiannis
- National Center for Scientific Research “Demokritos”
- Environmental Research Laboratory
- 15310 Aghia Paraskevi Attikis
- Greece
- National Center for Scientific Research “Demokritos”
| | - Ioannis G. Economou
- Texas A&M University at Qatar
- Chemical Engineering Program
- Education City
- Doha
- Qatar
| | - Athanassios K. Stubos
- National Center for Scientific Research “Demokritos”
- Environmental Research Laboratory
- 15310 Aghia Paraskevi Attikis
- Greece
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Smirnov KS. A modeling study of methane hydrate decomposition in contact with the external surface of zeolites. Phys Chem Chem Phys 2017; 19:23095-23105. [DOI: 10.1039/c7cp01985h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Methane hydrate dissociates on the external surface of siliceous zeolites with methane absorbed by the solid and water forming a liquid-like phase.
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Affiliation(s)
- Konstantin S. Smirnov
- Laboratoire de Spectrochimie Infrarouge et Raman
- UMR 8516 CNRS – Université de Lille
- Sciences et Technologies
- 59655 Villeneuve d'Ascq
- France
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