1
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Dehghani MR, Ghazi SF, Kazemzadeh Y. Interfacial tension and wettability alteration during hydrogen and carbon dioxide storage in depleted gas reservoirs. Sci Rep 2024; 14:11594. [PMID: 38773209 PMCID: PMC11109265 DOI: 10.1038/s41598-024-62458-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 05/16/2024] [Indexed: 05/23/2024] Open
Abstract
The storage of CO2 and hydrogen within depleted gas and oil reservoirs holds immense potential for mitigating greenhouse gas emissions and advancing renewable energy initiatives. However, achieving effective storage necessitates a thorough comprehension of the dynamic interplay between interfacial tension and wettability alteration under varying conditions. This comprehensive review investigates the multifaceted influence of several critical parameters on the alterations of IFT and wettability during the injection and storage of CO2 and hydrogen. Through a meticulous analysis of pressure, temperature, treatment duration, pH levels, the presence of nanoparticles, organic acids, anionic surfactants, and rock characteristics, this review elucidates the intricate mechanisms governing the changes in IFT and wettability within reservoir environments. By synthesizing recent experimental and theoretical advancements, this review aims to provide a holistic understanding of the processes underlying IFT and wettability alteration, thereby facilitating the optimization of storage efficiency and the long-term viability of depleted reservoirs as carbon capture and storage or hydrogen storage solutions. The insights gleaned from this analysis offer invaluable guidance for researchers, engineers, and policymakers engaged in harnessing the potential of depleted reservoirs for sustainable energy solutions and environmental conservation. This synthesis of knowledge serves as a foundational resource for future research endeavors aimed at enhancing the efficacy and reliability of CO2 and hydrogen storage in depleted reservoirs.
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Affiliation(s)
- Mohammad Rasool Dehghani
- Department of Petroleum Engineering, Faculty of Petroleum, Gas, and Petrochemical Engineering, Persian Gulf University, Bushehr, Iran
| | - Seyede Fatemeh Ghazi
- Department of Petroleum Engineering, Faculty of Petroleum, Gas, and Petrochemical Engineering, Persian Gulf University, Bushehr, Iran
| | - Yousef Kazemzadeh
- Department of Petroleum Engineering, Faculty of Petroleum, Gas, and Petrochemical Engineering, Persian Gulf University, Bushehr, Iran.
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2
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A Review of the Studies on CO2–Brine–Rock Interaction in Geological Storage Process. GEOSCIENCES 2022. [DOI: 10.3390/geosciences12040168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
CO2–brine–rock interaction impacts the behavior and efficiency of CO2 geological storage; a thorough understanding of these impacts is important. A lot of research in the past has considered the nature and impact of CO2–brine–rock interaction and much has been learned. Given that the solubility and rate of mineralization of CO2 in brine under reservoir conditions is slow, free and mobile, CO2 will be contained in the reservoir for a long time until the phase of CO2 evolves. A review of independent research indicates that the phase of CO2 affects the nature of CO2–brine–rock interaction. It is important to understand how different phases of CO2 that can be present in a reservoir affects CO2–brine–rock interaction. However, the impact of the phase of CO2 in a CO2–brine–rock interaction has not been given proper attention. This paper is a systematic review of relevant research on the impact of the phase of CO2 on the behavior and efficiency of CO2 geological storage, extending to long-term changes in CO2, brine, and rock properties; it articulates new knowledge on the effect of the phase of CO2 on CO2–brine–rock behavior in geosequestration sites and highlights areas for further development.
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3
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Sahu C, Sircar A, Sangwai JS, Kumar R. Effect of Methylamine, Amylamine, and Decylamine on the Formation and Dissociation Kinetics of CO2 Hydrate Relevant for Carbon Dioxide Sequestration. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c04074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Chandan Sahu
- Gas Hydrate and Flow Assurance Laboratory, Petroleum Engineering Program, Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai 600036, India
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai 600036, India
- Centre of Excellence on Carbon Dioxide Capture, Utilization, and Storage (CCUS), Indian Institute of Technology Madras, Chennai 600036, India
- School of Petroleum Technology, Pandit Deendayal Petroleum University, Raisan, Gandhinagar 382007, Gujarat, India
| | - Anirbid Sircar
- School of Petroleum Technology, Pandit Deendayal Petroleum University, Raisan, Gandhinagar 382007, Gujarat, India
| | - Jitendra S. Sangwai
- Gas Hydrate and Flow Assurance Laboratory, Petroleum Engineering Program, Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai 600036, India
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai 600036, India
- Centre of Excellence on Carbon Dioxide Capture, Utilization, and Storage (CCUS), Indian Institute of Technology Madras, Chennai 600036, India
| | - Rajnish Kumar
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai 600036, India
- Centre of Excellence on Carbon Dioxide Capture, Utilization, and Storage (CCUS), Indian Institute of Technology Madras, Chennai 600036, India
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4
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A review of clathrate hydrate nucleation, growth and decomposition studied using molecular dynamics simulation. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118025] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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5
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Cabrera-Ramírez A, Arismendi-Arrieta DJ, Valdés Á, Prosmiti R. Exploring CO 2 @sI Clathrate Hydrates as CO 2 Storage Agents by Computational Density Functional Approaches. Chemphyschem 2021; 22:359-369. [PMID: 33368985 DOI: 10.1002/cphc.202001035] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Indexed: 12/21/2022]
Abstract
The formation of specific clathrate hydrates and their transformation at given thermodynamic conditions depends on the interactions between the guest molecule/s and the host water lattice. Understanding their structural stability is essential to control structure-property relations involved in different technological applications. Thus, the energetic aspects relative to CO2 @sI clathrate hydrate are investigated through the computation of the underlying interactions, dominated by hydrogen bonds and van der Waals forces, from first-principles electronic structure approaches. The stability of the CO2 @sI clathrate is evaluated by combining bottom-up and top-down approaches. Guest-free and CO2 guest-filled aperiodic cages, up to the gradually CO2 occupation of the entire sI periodic unit cells were considered. Saturation, cohesive and binding energies for the systems are determined by employing a variety of density functionals and their performance is assessed. The dispersion corrections on the non-covalent interactions are found to be important in the stabilization of the CO2 @sI energies, with the encapsulation of the CO2 into guest-free/empty cage/lattice being always an energetically favorable process for most of the functionals studied. The PW86PBE functional with XDM or D3(BJ) dispersion corrections predicts a lattice constant in accord to the experimental values available, and simultaneously provides a reliable description for the guest-host interactions in the periodic CO2 @sI crystal, as well as the energetics of its progressive single cage occupancy process. It has been found that the preferential orientation of the single CO2 in the large sI crystal cages has a stabilizing effect on the hydrate, concluding that the CO2 @sI structure is favored either by considering the individual building block cages or the complete sI unit cell crystal. Such benchmark and methodology cross-check studies benefit new data-driven model research by providing high-quality training information, with new insights that indicate the underlying factors governing their structure-driven stability, and triggering further investigations for controlling the stabilization of these promising long-term CO2 storage materials.
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Affiliation(s)
| | - Daniel J Arismendi-Arrieta
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, 20018, Donostia-San Sebastián, Spain
| | - Álvaro Valdés
- Escuela de Física, Universidad Nacional de Colombia, Sede Medellín, A. A., 3840, Medellíın, Colombia
| | - Rita Prosmiti
- Institute of Fundamental Physics (IFF-CSIC), CSIC, Serrano 123, 28006, Madrid, Spain
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6
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Hassanpouryouzband A, Joonaki E, Vasheghani Farahani M, Takeya S, Ruppel C, Yang J, English NJ, Schicks JM, Edlmann K, Mehrabian H, Aman ZM, Tohidi B. Gas hydrates in sustainable chemistry. Chem Soc Rev 2020; 49:5225-5309. [DOI: 10.1039/c8cs00989a] [Citation(s) in RCA: 247] [Impact Index Per Article: 61.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
This review includes the current state of the art understanding and advances in technical developments about various fields of gas hydrates, which are combined with expert perspectives and analyses.
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Affiliation(s)
- Aliakbar Hassanpouryouzband
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Edris Joonaki
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Mehrdad Vasheghani Farahani
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Satoshi Takeya
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba 305-8565
- Japan
| | | | - Jinhai Yang
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Niall J. English
- School of Chemical and Bioprocess Engineering
- University College Dublin
- Dublin 4
- Ireland
| | | | - Katriona Edlmann
- School of Geosciences
- University of Edinburgh
- Grant Institute
- Edinburgh
- UK
| | - Hadi Mehrabian
- Department of Chemical Engineering
- Massachusetts Institute of Technology
- Cambridge
- USA
| | - Zachary M. Aman
- Fluid Science & Resources
- School of Engineering
- University of Western Australia
- Perth
- Australia
| | - Bahman Tohidi
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
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7
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Experimental Simulation of the Self-Trapping Mechanism for CO2 Sequestration into Marine Sediments. MINERALS 2019. [DOI: 10.3390/min9100579] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
CO2 hydrates are ice-like solid lattice compounds composed of hydrogen-bonded cages of water molecules that encapsulate guest CO2 molecules. The formation of CO2 hydrates in unconsolidated sediments significantly decreases their permeability and increases their stiffness. CO2 hydrate-bearing sediments can, therefore, act as cap-rocks and prevent CO2 leakage from a CO2-stored layer. In this study, we conducted an experimental simulation of CO2 geological storage into marine unconsolidated sediments. CO2 hydrates formed during the CO2 liquid injection process and prevented any upward flow of CO2. Temperature, pressure, P-wave velocity, and electrical resistance were measured during the experiment, and their measurement results verified the occurrence of the self-trapping effect induced by CO2 hydrate formation. Several analyses using the experimental results revealed that CO2 hydrate bearing-sediments have a considerable sealing capacity. Minimum breakthrough pressure and maximum absolute permeability are estimated to be 0.71 MPa and 5.55 × 10−4 darcys, respectively.
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8
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Arismendi-Arrieta DJ, Valdés Á, Prosmiti R. A Systematic Protocol for Benchmarking Guest-Host Interactions by First-Principles Computations: Capturing CO 2 in Clathrate Hydrates. Chemistry 2018; 24:9353-9363. [PMID: 29600599 DOI: 10.1002/chem.201800497] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Indexed: 01/19/2023]
Abstract
Clathrate hydrates of CO2 have been proposed as potential molecular materials in tackling important environmental problems related to greenhouse gases capture and storage. Despite the increasing interest in such hydrates and their technological applications, a molecular-level understanding of their formation and properties is still far from complete. Modeling interactions is a challenging and computationally demanding task, essential to reliably determine molecular properties. First-principles calculations for the CO2 guest in all sI, sII, and sH clathrate cages were performed, and the nature of the guest-host interactions, dominated by both hydrogen-bond and van der Waals forces, was systematically investigated. Different families of density functionals, as well as pairwise CO2 @H2 O model potentials versus wavefunction-based quantum approaches were studied for CO2 clathrate-like systems. Benchmark energies for new distance-dependent datasets, consisting of potential energy curves sampling representative configurations of the systems at the repulsive, near-equilibrium, and asymptotic/long-range regions of the full-dimensional surface, were generated, and a general protocol was proposed to assess the accuracy of such conventional and modern approaches at minimum and non-minimum orientations. Our results show that dispersion interactions are important in the guest-host stabilization energies of such clathrate cages, and the encapsulation of the CO2 into guest-free clathrate cages is always energetically favorable. In addition, the orientation of CO2 inside each cage was explored, and the ability of current promising approaches to accurately describe non-covalent CO2 @H2 O guest-host interactions in sI, sII, and sH clathrates was discussed, providing information for their applicability to future multiscale computer simulations.
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Affiliation(s)
| | - Álvaro Valdés
- Departamento de Física, Universidad Nacional de Colombia, Calle 26, Cra 39, Edificio, 404, Bogotá, Colombia
| | - Rita Prosmiti
- Institute of Fundamental Physics (IFF-CSIC), CSIC, Serrano 123, 28006, Madrid, Spain
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9
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Teng Y, Zhang D. Long-term viability of carbon sequestration in deep-sea sediments. SCIENCE ADVANCES 2018; 4:eaao6588. [PMID: 29978037 PMCID: PMC6031374 DOI: 10.1126/sciadv.aao6588] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Accepted: 05/22/2018] [Indexed: 06/08/2023]
Abstract
Sequestration of carbon dioxide in deep-sea sediments has been proposed for the long-term storage of anthropogenic CO2 that can take advantage of the current offshore infrastructure. It benefits from the negative buoyancy effect and hydrate formation under conditions of high pressure and low temperature. However, the multiphysics process of injection and postinjection fate of CO2 and the feasibility of subseabed disposal of CO2 under different geological and operational conditions have not been well studied. With a detailed study of the coupled processes, we investigate whether storing CO2 into deep-sea sediments is viable, efficient, and secure over the long term. We also study the evolution of multiphase and multicomponent flow and the impact of hydrate formation on storage efficiency. The results show that low buoyancy and high viscosity slow down the ascending plume and the forming of the hydrate cap effectively reduces permeability and finally becomes an impermeable seal, thus limiting the movement of CO2 toward the seafloor. We identify different flow patterns at varied time scales by analyzing the mass distribution of CO2 in different phases over time. We observe the formation of a fluid inclusion, which mainly consists of liquid CO2 and is encapsulated by an impermeable hydrate film in the diffusion-dominated stage. The trapped liquid CO2 and CO2 hydrate finally dissolve into the pore water through diffusion of the CO2 component, resulting in permanent storage. We perform sensitivity analyses on storage efficiency under variable geological and operational conditions. We find that under a deep-sea setting, CO2 sequestration in intact marine sediments is generally safe and permanent.
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Affiliation(s)
- Yihua Teng
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing 100871, China
- Institute of Ocean Research, Peking University, Beijing 100871, China
| | - Dongxiao Zhang
- Beijing Innovation Center for Engineering Science and Advanced Technology, Department of Energy and Resources Engineering, and State Key Laboratory for Turbulence and Complex Systems, College of Engineering, Peking University, Beijing 100871, China
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10
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Bui T, Phan A, Monteiro D, Lan Q, Ceglio M, Acosta E, Krishnamurthy P, Striolo A. Evidence of Structure-Performance Relation for Surfactants Used as Antiagglomerants for Hydrate Management. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:2263-2274. [PMID: 28110536 DOI: 10.1021/acs.langmuir.6b04334] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Molecular dynamics simulations were employed to study the structure of molecularly thin films of antiagglomerants adsorbed at the interface between sII methane hydrates and a liquid hydrocarbon. The liquid hydrocarbon was composed of dissolved methane and higher-molecular-weight alkane such as n-hexane, n-octane, and n-dodecane. The antiagglomerants considered were surface-active compounds with three hydrophobic tails and a complex hydrophilic head that contains both amide and tertiary ammonium cation groups. The length of the hydrophobic tails and the surface density of the compounds were changed systematically. The results were analyzed in terms of the preferential orientation of the antiagglomerants, density distributions of various molecular compounds, and other molecular-level properties. At low surface densities, the hydrophobic tails do not show preferred orientation, irrespectively of the tail length. At sufficiently high surface densities, our simulations show pronounced differences in the structure of the interfacial film depending on the molecular features and on the type of hydrocarbons present in the system. Some antiagglomerants are found to pack densely at the interface and exclude methane from the interfacial region. Under these conditions, the antiagglomerant film resembles a frozen interface. The hydrophobic tails of the antiagglomerants that show this feature has a length comparable to that of the n-dodecane in the liquid phase. It is possible that the structured interfacial layer is in part responsible for determining the performance of antiagglomerants in flow-assurance applications. The simulation results are compared against experimental data obtained with the rocking cell apparatus. It was found that the antiagglomerants for which our simulations suggest evidence of a frozen interface at sufficiently high surface densities are those that show better performance in rocking cell experiments.
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Affiliation(s)
- Tai Bui
- Department of Chemical Engineering, University College London , WC1 E7JE London, U.K
| | - Anh Phan
- Department of Chemical Engineering, University College London , WC1 E7JE London, U.K
| | | | - Qiang Lan
- Halliburton , Houston, Texas 77032, United States
| | - Mark Ceglio
- Halliburton , Houston, Texas 77032, United States
| | - Erick Acosta
- Halliburton , Houston, Texas 77032, United States
| | | | - Alberto Striolo
- Department of Chemical Engineering, University College London , WC1 E7JE London, U.K
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11
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Moustafa SG, Schultz AJ, Kofke DA. Effects of Finite Size and Proton Disorder on Lattice-Dynamics Estimates of the Free Energy of Clathrate Hydrates. Ind Eng Chem Res 2014. [DOI: 10.1021/ie504008h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sabry G. Moustafa
- Department
of Chemical and
Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260-4200, United States
| | - Andrew J. Schultz
- Department
of Chemical and
Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260-4200, United States
| | - David A. Kofke
- Department
of Chemical and
Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260-4200, United States
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12
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Lim LHV, Lloren AV, Lamorena RB. The effect of urea in the nucleation process of CO2 clathrate hydrates. J Mol Liq 2014. [DOI: 10.1016/j.molliq.2014.03.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Martos-Villa R, Mata MP, Sainz-Díaz CI. Characterization of CO2 and mixed methane/CO2 hydrates intercalated in smectites by means of atomistic calculations. J Mol Graph Model 2014; 49:80-90. [PMID: 24569124 DOI: 10.1016/j.jmgm.2014.01.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Revised: 01/02/2014] [Accepted: 01/27/2014] [Indexed: 10/25/2022]
Abstract
The recent increase in anthropogenic CO2 gas released to the atmosphere and its contribution to global warming make necessary to investigate new ways of CO2 storage. Injecting CO2 into subsurface CH4 hydrate reservoirs would displace some of the CH4 in the hydrate crystal lattice, converting simple CH4 hydrates into either simple CO2 hydrates or mixed CH4CO2 hydrates. Molecular simulations were performed to determine the structure and behavior of CO2 and mixed hydrate complexes in the interlayer of Na-rich montmorillonite and beidellite smectite. Molecular Dynamics (MD) simulations used NPT ensembles in a 4×4×1 supercell comprised of montmorillonite or beidellite with CO2 or mixed CH4/CO2 hydrate complexes in the interlayer. The smectite 2:1 layer surface helps provide a stabilizing influence on the formation of gas hydrate complexes. The type of smectite affects the stability of the smectite-hydrate complexes, where high charge located on the tetrahedral layer of the smectites disfavor the formation of hydrate complexes.
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Affiliation(s)
- Rubén Martos-Villa
- Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Av. República Saharaui s/n, 11510 Puerto Real, Spain.
| | - M Pilar Mata
- Instituto Geológico y Minero de España, La Calera 1, 28760, Tres Cantos, Madrid, Spain
| | - C Ignacio Sainz-Díaz
- Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, Av. de las Palmeras, 4, 18100, Armilla, Granada, Spain
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14
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Goldobin DS, Brilliantov NV. Diffusive counter dispersion of mass in bubbly media. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2011; 84:056328. [PMID: 22181519 DOI: 10.1103/physreve.84.056328] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2011] [Revised: 09/21/2011] [Indexed: 05/31/2023]
Abstract
We consider a liquid bearing gas bubbles in a porous medium. When gas bubbles are immovably trapped in a porous matrix by surface-tension forces, the dominant mechanism of transfer of gas mass becomes the diffusion of gas molecules through the liquid. Essentially, the gas solution is in local thermodynamic equilibrium with vapor phase all over the system, i.e., the solute concentration equals the solubility. When temperature and/or pressure gradients are applied, diffusion fluxes appear and these fluxes are faithfully determined by the temperature and pressure fields, not by the local solute concentration, which is enslaved by the former. We derive the equations governing such systems, accounting for thermodiffusion and gravitational segregation effects, which are shown not to be neglected for geological systems-marine sediments, terrestrial aquifers, etc. The results are applied for the treatment of non-high-pressure systems and real geological systems bearing methane or carbon dioxide, where we find a potential possibility of the formation of gaseous horizons deep below a porous medium surface. The reported effects are of particular importance for natural methane hydrate deposits and the problem of burial of industrial production of carbon dioxide in deep aquifers.
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Affiliation(s)
- Denis S Goldobin
- Department of Mathematics, University of Leicester, Leicester, United Kingdom
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15
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Sarupria S, Debenedetti PG. Molecular Dynamics Study of Carbon Dioxide Hydrate Dissociation. J Phys Chem A 2011; 115:6102-11. [DOI: 10.1021/jp110868t] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sapna Sarupria
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Pablo G. Debenedetti
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
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16
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Qanbari F, Pooladi-Darvish M, Hamed Tabatabaie S, Gerami S. Storage of CO2 as hydrate beneath the ocean floor. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.egypro.2011.02.340] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Affiliation(s)
- Pablo G Debenedetti
- Department of Chemical Engineering, Princeton University, Princeton, NJ 08544, USA.
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