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Listyarini R, Gamper J, Hofer TS. Storage and Diffusion of Carbon Dioxide in the Metal Organic Framework MOF-5─A Semi-empirical Molecular Dynamics Study. J Phys Chem B 2023; 127:9378-9389. [PMID: 37857343 PMCID: PMC10627117 DOI: 10.1021/acs.jpcb.3c04155] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/22/2023] [Indexed: 10/21/2023]
Abstract
Metal-organic frameworks (MOFs) have attracted increasing attention due to their high porosity for exceptional gas storage applications. MOF-5 belongs to the family of isoreticular MOFs (IRMOFs) and consists of Zn4O6+ clusters linked by 1,4-benzenedicarboxylate. Due to the large number of atoms in the unit cell, molecular dynamics simulation based on density functional theory has proved to be too demanding, while force field models are often inadequate to model complex host-guest interactions. To overcome this limitation, an alternative semi-empirical approach using a set of approximations and extensive parametrization of interactions called density functional tight binding (DFTB) was applied in this work to study CO2 in the MOF-5 host. Calculations of pristine MOF-5 yield very good agreement with experimental data in terms of X-ray diffraction patterns as well as mechanical properties, such as the negative thermal expansion coefficient and the bulk modulus. In addition, different loadings of CO2 were introduced, and the associated self-diffusion coefficients and activation energies were investigated. The results show very good agreement with those of other experimental and theoretical investigations. This study provides detailed insights into the capability of semi-empirical DFTB-based molecular dynamics simulations of these challenging guest@host systems. Based on the comparison of the guest-guest pair distributions observed inside the MOF host and the corresponding gas-phase reference, a liquid-like structure of CO2 can be deduced upon storage in the host material.
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Affiliation(s)
- Risnita
Vicky Listyarini
- Theoretical
Chemistry Division, Institute of General, Inorganic and Theoretical
Chemistry, University of Innsbruck, Innrain 80-82A, A-6020 Innsbruck, Austria
- Chemistry
Education Study Program, Sanata Dharma University, Yogyakarta 55282, Indonesia
| | - Jakob Gamper
- Theoretical
Chemistry Division, Institute of General, Inorganic and Theoretical
Chemistry, University of Innsbruck, Innrain 80-82A, A-6020 Innsbruck, Austria
| | - Thomas S. Hofer
- Theoretical
Chemistry Division, Institute of General, Inorganic and Theoretical
Chemistry, University of Innsbruck, Innrain 80-82A, A-6020 Innsbruck, Austria
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2
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Cheng X, Liao Y, Lei Z, Li J, Fan X, Xiao X. Multi-scale design of MOF-based membrane separation for CO2/CH4 mixture via integration of molecular simulation, machine learning and process modeling and simulation. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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3
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Tarasenko A. Diffusion in a binary mixture of molecules adsorbed on a multisite two-dimensional lattice. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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4
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Song J, Liu L, Hong Y. High interfacial resistances of CH4 and CO2 transport through Metal-Organic framework 5 (MOF-5). Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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5
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The Role of Diffusivity in Oil and Gas Industries: Fundamentals, Measurement, and Correlative Techniques. Processes (Basel) 2022. [DOI: 10.3390/pr10061194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The existence of various native or nonnative species/fluids, along with having more than one phase in the subsurface and within the integrated production and injection systems, generates unique challenges as the pressure, temperature, composition and time (P-T-z and t) domains exhibit multi-scale characteristics. In such systems, fluid/component mixing, whether for natural reasons or man-made reasons, is one of the most complex aspects of the behavior of the system, as inherent compositions are partially or all due to these phenomena. Any time a gradient is introduced, these systems try to converge thermodynamically to an equilibrium state while being in the disequilibrium state at scale during the transitional process. These disequilibrium states create diffusive gradients, which, in the absence of flow, control the mixing processes leading to equilibrium at a certain time scale, which could also be a function of various time and length scales associated with the system. Therefore, it is crucial to understand these aspects, especially when technologies that need or utilize these concepts are under development. For example, as the technology of gas-injection-based enhanced oil recovery, CO2 sequestration and flooding have been developed, deployed and applied to several reservoirs/aquifers worldwide, performing research on mass-transfer mechanisms between gas, oil and aqueous phases became more important, especially in terms of optimal design considerations. It is well-known that in absence of direct frontal contact and convective mixing, diffusive mixing is one of most dominant mass-transfer mechanisms, which has an impact on the effectiveness of the oil recovery and gas injection processes. Therefore, in this work, we review the fundamentals of diffusive mixing processes in general terms and summarize the theoretical, experimental and empirical studies to estimate the diffusion coefficients at high pressure—temperature conditions at various time and length scales relevant to reservoir-fluid systems.
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6
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Deng X, Zhang Q, Zhang Z, Li Q, Liu X. Adsorption and diffusion behavior of CO2/H2 mixture in calcite slit pores: A molecular simulation study. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Abdi J, Hadavimoghaddam F, Hadipoor M, Hemmati-Sarapardeh A. Modeling of CO 2 adsorption capacity by porous metal organic frameworks using advanced decision tree-based models. Sci Rep 2021; 11:24468. [PMID: 34963681 PMCID: PMC8714819 DOI: 10.1038/s41598-021-04168-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 12/17/2021] [Indexed: 02/05/2023] Open
Abstract
In recent years, metal organic frameworks (MOFs) have been distinguished as a very promising and efficient group of materials which can be used in carbon capture and storage (CCS) projects. In the present study, the potential ability of modern and powerful decision tree-based methods such as Categorical Boosting (CatBoost), Light Gradient Boosting Machine (LightGBM), Extreme Gradient Boosting (XGBoost), and Random Forest (RF) was investigated to predict carbon dioxide adsorption by 19 different MOFs. Reviewing the literature, a comprehensive databank was gathered including 1191 data points related to the adsorption capacity of different MOFs in various conditions. The inputs of the implemented models were selected as temperature (K), pressure (bar), specific surface area (m2/g) and pore volume (cm3/g) of the MOFs and the output was CO2 uptake capacity (mmol/g). Root mean square error (RMSE) values of 0.5682, 1.5712, 1.0853, and 1.9667 were obtained for XGBoost, CatBoost, LightGBM, and RF models, respectively. The sensitivity analysis showed that among all investigated parameters, only the temperature negatively impacts the CO2 adsorption capacity and the pressure and specific surface area of the MOFs had the most significant effects. Among all implemented models, the XGBoost was found to be the most trustable model. Moreover, this model showed well-fitting with experimental data in comparison with different isotherm models. The accurate prediction of CO2 adsorption capacity by MOFs using the XGBoost approach confirmed that it is capable of handling a wide range of data, cost-efficient and straightforward to apply in environmental applications.
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Affiliation(s)
- Jafar Abdi
- grid.440804.c0000 0004 0618 762XFaculty of Chemical and Materials Engineering, Shahrood University of Technology, 3619995161 Shahrood, Iran
| | - Fahimeh Hadavimoghaddam
- grid.446213.60000 0001 0068 9862Ufa State Petroleum Technological University, Ufa, Russia 450064
| | - Masoud Hadipoor
- grid.444962.90000 0004 0612 3650Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology (PUT), Ahwaz, Iran
| | - Abdolhossein Hemmati-Sarapardeh
- Department of Petroleum Engineering, Shahid Bahonar University of Kerman, Kerman, Iran. .,College of Construction Engineering, Jilin University, Changchun, 130600, China.
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8
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Al-Akwaa S, Carter D, Tezel F, Kruczek B. Characterization of defect-containing zeolite membranes by single gas permeation experiments before and after calcination. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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9
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Walenszus F, Bon V, Evans JD, Kaskel S, Dvoyashkin M. Molecular Diffusion in a Flexible Mesoporous Metal-Organic Framework over the Course of Structural Contraction. J Phys Chem Lett 2020; 11:9696-9701. [PMID: 33136403 PMCID: PMC9115798 DOI: 10.1021/acs.jpclett.0c02745] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 10/21/2020] [Indexed: 06/05/2023]
Abstract
In situ 1H pulsed field gradient (PFG) NMR was used to investigate the molecular diffusion of n-butane in the pores of the flexible metal-organic framework DUT-49(Cu) at 298 K at different pore loadings, including pressure ranges below and above the negative gas adsorption (NGA) transition caused by structural contraction of the material. Supported by molecular dynamics simulations, the investigation provided crucial insight into confined diffusion within a highly flexible pore environment. The self-diffusion coefficients were derived from the experiment and compared with simulations, capturing the diffusion during n-butane adsorption and desorption. This complementary approach has yielded experimental characterization of molecular diffusion mechanisms during the unique process of NGA. This includes the observation of a 4-fold decrease of diffusivity within a less than 2 kPa gas pressure variation, corresponding to the NGA transition point.
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Affiliation(s)
- Francesco Walenszus
- Department
of Inorganic Chemistry, Technische Universität
Dresden, 01069 Dresden, Germany
| | - Volodymyr Bon
- Department
of Inorganic Chemistry, Technische Universität
Dresden, 01069 Dresden, Germany
| | - Jack D. Evans
- Department
of Inorganic Chemistry, Technische Universität
Dresden, 01069 Dresden, Germany
| | - Stefan Kaskel
- Department
of Inorganic Chemistry, Technische Universität
Dresden, 01069 Dresden, Germany
| | - Muslim Dvoyashkin
- Institute
of Chemical Technology, Universität
Leipzig, 04103 Leipzig, Germany
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10
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Peng X, Vicent-Luna JM, Jin Q. Separation of CF 4/N 2, C 2F 6/N 2, and SF 6/N 2 Mixtures in Amorphous Activated Carbons Using Molecular Simulations. ACS APPLIED MATERIALS & INTERFACES 2020; 12:20044-20055. [PMID: 32270994 DOI: 10.1021/acsami.0c01043] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The capture and separation of CF4, C2F6, and SF6 and their mixtures containing nitrogen is a challenging process. To solve this, we propose the use of saccharose coke-based carbons as membranes for the adsorption and separation of these gases. By means of advanced techniques of Monte Carlo and molecular dynamics simulations, we have studied the adsorption and diffusion of CF4, C2F6, and SF6 as well as their mixtures with nitrogen in three HRMC carbon models, namely, CS400, CS1000, and CS1000a. We have computed the adsorption isotherms of the single components and the heat of adsorption as a function of the adsorbed concentration. We have also calculated the competitive adsorption of fluoride molecules and nitrogen at two different molar fractions, 0.1 and 0.9. We have computed the transport properties of the adsorbed gases in terms of the self-diffusivities and corrected diffusivities. The performance of the membranes for the targeted separations has been characterized by the calculation of the permselectivity. Our results indicate that the activated amorphous carbon CS1000a is an efficient adsorbent for the capture of the fluoride adsorbates as well as their purification from nitrogen-based mixtures.
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Affiliation(s)
- Xuan Peng
- College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Jose Manuel Vicent-Luna
- Department of Physical, Chemical and Natural Systems, Universidad Pablo de Olavide, Ctra. Utrera Km 1, Seville ES-41013, Spain
- Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, Eindhoven 5600 MB, The Netherlands
| | - Qibing Jin
- College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
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11
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Chen G, An Y, Shen Y, Wang Y, Tang Z, Lu B, Zhang D. Effect of pore size on CH4/N2 separation using activated carbon. Chin J Chem Eng 2020. [DOI: 10.1016/j.cjche.2019.12.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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12
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Large-Scale Screening and Machine Learning to Predict the Computation-Ready, Experimental Metal-Organic Frameworks for CO2 Capture from Air. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10020569] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The rising level of CO2 in the atmosphere has attracted attention in recent years. The technique of capturing CO2 from higher CO2 concentrations, such as power plants, has been widely studied, but capturing lower concentrations of CO2 directly from the air remains a challenge. This study uses high-throughput computer (Monte Carlo and molecular dynamics simulation) and machine learning (ML) to study 6013 computation-ready, experimental metal-organic frameworks (CoRE-MOFs) for CO2 adsorption and diffusion properties in the air with very low concentrations of CO2. First, the law influencing CO2 adsorption and diffusion in air is obtained as a structure-performance relationship, and then the law influencing the performance of CO2 adsorption and diffusion in air is further explored by four ML algorithms. Random forest (RF) was considered the optimal algorithm for prediction of CO2 selectivity, with an R value of 0.981, and this algorithm was further applied to analyze the relative importance of each metal-organic framework (MOF) descriptor quantitatively. Finally, 14 MOFs with the best properties were successfully screened out, and it was found that a key to capturing a low concentration CO2 from the air was the diffusion performance of CO2 in MOFs. When the pore-limiting diameter (PLD) of a MOF was closer to the CO2 dynamic diameter, this MOF could possess higher CO2 diffusion separation selectivity. This study could provide valuable guidance for the synthesis of new MOFs in experiments that capture directly low concentration CO2 from the air.
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13
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Rao CNR, Pramoda K. Borocarbonitrides, BxCyNz, 2D Nanocomposites with Novel Properties. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2019. [DOI: 10.1246/bcsj.20180335] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- C. N. R. Rao
- School of Advanced Materials, International Centre for Material Science and New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
| | - K. Pramoda
- School of Advanced Materials, International Centre for Material Science and New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
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14
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Qiao Z, Xu Q, Jiang J. High-throughput computational screening of metal-organic framework membranes for upgrading of natural gas. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.01.020] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Sharma A, Babarao R, Medhekar NV, Malani A. Methane Adsorption and Separation in Slipped and Functionalized Covalent Organic Frameworks. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.7b05031] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Abhishek Sharma
- Department of Materials Engineering, Monash University, Clayton, Victoria 3168, Australia
| | - Ravichandar Babarao
- Commonwealth Scientific
and Industrial Research Organisation (CSIRO) Manufacturing, Clayton, Victoria 3169, Australia
- School of Science, RMIT University, Melbourne, Victoria 3001, Australia
| | - Nikhil V. Medhekar
- Department of Materials Engineering, Monash University, Clayton, Victoria 3168, Australia
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16
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Synthesis of Silicalite Membrane with an Aluminum-Containing Surface for Controlled Modification of Zeolitic Pore Entries for Enhanced Gas Separation. Processes (Basel) 2018. [DOI: 10.3390/pr6020013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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17
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Shimizu K, Ohba T. Extremely permeable porous graphene with high H 2/CO 2 separation ability achieved by graphene surface rejection. Phys Chem Chem Phys 2018; 19:18201-18207. [PMID: 28675236 DOI: 10.1039/c7cp03270f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Fabrication of a graphene separation sheet is difficult because of the necessity for leakage-free graphene transfer onto a substrate. In this study, porous graphene sheets with thicknesses of one, two, and four layers were directly fabricated on stainless-steel mesh substrates and demonstrated to display high separation ability for H2, CO2, and CH4. The single-layer graphene sample exhibited higher permeance for these molecules than double- and four-layer graphene and displayed similar high selectivity to that of other porous materials. Permeance was proportional to molecular velocity and inversely proportional to interaction strength with graphene; molecular size-dependent permeance was not seen. Molecules that interacted strongly with graphene were attracted to the graphene surface, which hindered permeation. Such graphene surface rejection allowed graphene containing larger pores than the molecular size to provide both high molecular permeance and selectivity. The relationship between the permeance of porous graphene for H2 and H2/CO2 with selectivity suggested that its permeance was higher than that of other materials with high separation performance. Therefore, the porous graphene samples separated molecules with extremely high permeance by graphene surface rejection.
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Affiliation(s)
- K Shimizu
- Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan.
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18
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Kennedy DA, Carter D, Wilson S, Kruczek B, Tezel FH. Pore plugging synthesis and characterization of silicalite-1 membranes using tubular TiO2supports: Effect of support pore size on membrane performance. CAN J CHEM ENG 2018. [DOI: 10.1002/cjce.23095] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Dean A. Kennedy
- Department of Chemical and Biological Engineering; University of Ottawa; 161 Louis Pasteur, Ottawa ON K1N 6N5 Canada
| | - David Carter
- Department of Chemical and Biological Engineering; University of Ottawa; 161 Louis Pasteur, Ottawa ON K1N 6N5 Canada
| | - Sean Wilson
- Department of Chemical and Biological Engineering; University of Ottawa; 161 Louis Pasteur, Ottawa ON K1N 6N5 Canada
| | - Boguslaw Kruczek
- Department of Chemical and Biological Engineering; University of Ottawa; 161 Louis Pasteur, Ottawa ON K1N 6N5 Canada
| | - F. Handan Tezel
- Department of Chemical and Biological Engineering; University of Ottawa; 161 Louis Pasteur, Ottawa ON K1N 6N5 Canada
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19
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Aggregation Behavior of Nano-Silica in Polyvinyl Alcohol/Polyacrylamide Hydrogels Based on Dissipative Particle Dynamics. Polymers (Basel) 2017; 9:polym9110611. [PMID: 30965914 PMCID: PMC6418808 DOI: 10.3390/polym9110611] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Accepted: 11/10/2017] [Indexed: 12/14/2022] Open
Abstract
Due to the aggregation behavior of nano-silica in aqueous solution, the use of nano-silica without surface modification for synthesizing hydrogels is still a challenging task. This paper presents our study on the use of dissipative particle dynamics simulations to discover the aggregation behavior of nano-silica in polyvinyl alcohol (PVA)/polyacrylamide (PAM) blended hydrogels. By simulations, we aimed at investigating the effects of such factors as nano-silica content, polymer component ratio, temperature and shear rate on the aggregation behavior of nano-silica in terms of the mesoscopic morphologies and the relative concentration distribution functions. Our results reveal that the dispersion of nano-silica is seen if the nano-silica content is increased to 1.5%, and the aggregation of nano-silica becomes noticeable in blended hydrogels with an increase in the nano-silica content. This finding agrees well with the experimental results obtained by means of scanning electron microscopy. Furthermore, it is also found that the dispersion of nano-silica becomes more uniform with an increase in PAM content, temperature and shear rate. These findings greatly enrich our understanding of the aggregation behavior of nano-silica in PVA/PAM blended hydrogels.
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20
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Altintas C, Keskin S. Molecular simulations of MOF membranes for separation of ethane/ethene and ethane/methane mixtures. RSC Adv 2017; 7:52283-52295. [PMID: 29308193 PMCID: PMC5735352 DOI: 10.1039/c7ra11562h] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 11/03/2017] [Indexed: 01/30/2023] Open
Abstract
Metal organic framework (MOF) membranes have been widely investigated for gas separation applications. Several MOFs have been recently examined for selective separation of C2H6. Considering the large number of available MOFs, it is not possible to fabricate and test the C2H6 separation performance of every single MOF membrane using purely experimental methods. In this study, we used molecular simulations to assess the membrane-based C2H6/C2H4 and C2H6/CH4 separation performances of 175 different MOF structures. This is the largest number of MOF membranes studied to date for C2H6 separation. We computed adsorption selectivity, diffusion selectivity, membrane selectivity and gas permeability of MOFs for C2H6/C2H4 and C2H6/CH4 mixtures. Our results show that a significant number of MOF membranes are C2H6 selective for C2H6/C2H4 separation in contrast to traditional nanoporous materials. Selectivity and permeability of MOF membranes were compared with other membrane materials, such as polymers, zeolites, and carbon molecular sieves. Several MOFs were identified to exceed the upper bound established for polymeric membranes and many MOF membranes exhibited higher gas permeabilities than zeolites and carbon molecular sieves. Examining the structure-performance relations of MOF membranes revealed that MOFs with cavity diameters between 6 and 9 Å, porosities lower than 0.50, and surface areas between 500-1000 m2 g-1 have high C2H6 selectivities. The results of this study will be useful to guide the experiments to the most promising MOF membranes for efficient separation of C2H6 and to accelerate the development of new MOFs with high C2H6 selectivities.
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Affiliation(s)
- Cigdem Altintas
- Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu, Sariyer, 34450, Istanbul, Turkey.
| | - Seda Keskin
- Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu, Sariyer, 34450, Istanbul, Turkey.
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21
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Pongsajanukul P, Parasuk V, Fritzsche S, Assabumrungrat S, Wongsakulphasatch S, Bovornratanaraks T, Chokbunpiam T. Theoretical study of carbon dioxide adsorption and diffusion in MIL-127(Fe) metal organic framework. Chem Phys 2017. [DOI: 10.1016/j.chemphys.2017.05.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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Cao W, Lu L, Zhou M, Tow GM, Huang L, Yang T, Lu X. Hydrophilicity effect on CO2/CH4 separation using carbon nanotube membranes: insights from molecular simulation. MOLECULAR SIMULATION 2017. [DOI: 10.1080/08927022.2016.1267353] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Wei Cao
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, P.R.China
| | - Linghong Lu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, P.R.China
| | - Musen Zhou
- 2011 College, Nanjing Tech University, Nanjing, P.R.China
| | - Garrett M. Tow
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK, USA
| | - Liangliang Huang
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK, USA
| | - Tingting Yang
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, P.R.China
| | - Xiaohua Lu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, P.R.China
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23
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24
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Investigation on the selective adsorption and separation properties of coal mine methane in ZIF-68 by molecular simulations. ADSORPTION 2016. [DOI: 10.1007/s10450-016-9842-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Ray P, Bonakala S, Balasubramanian S. Modelling adsorption in fluorinated TKL MOFs. MOLECULAR SIMULATION 2016. [DOI: 10.1080/08927022.2016.1250266] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Promit Ray
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India
| | - Satyanarayana Bonakala
- Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India
| | - Sundaram Balasubramanian
- Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India
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26
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Wang Y, Wei Q, Wang S, Chai W, Zhang Y. Structural and water diffusion of poly(acryl amide)/poly(vinyl alcohol) blend films: Experiment and molecular dynamics simulations. J Mol Graph Model 2016; 71:40-49. [PMID: 27838476 DOI: 10.1016/j.jmgm.2016.11.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 11/01/2016] [Accepted: 11/02/2016] [Indexed: 11/19/2022]
Abstract
To study the effects of composition ratios and temperature on the diffusion of water molecules in PVA/PAM blend films, five simulation models of PVA/PAM with ten water molecules at different composition ratios (4/0, 3/1, 2/2, 1/3, 0/4) were constructed and simulated by using a molecular dynamics (MD) simulation. The diffusion behavior of water molecules in blends were investigated from the aspects of the diffusion coefficient, free volume, pair correlation function (PCF) and trajectories of water molecules, respectively. And the hydrophilicity of blend composite was studied based on the contact angle and equilibrium water content (EWC) of the blend films. The simulation results show that the diffusion coefficient of water molecules and fractional free volume (FFV) of blend membranes increase with the addition of PAM, and a higher temperature can also improve the diffusion of water molecules. Additionally, the analysis of PCFs reveals the main reason why the diffusion coefficient of water in blend system increases with the addition of PAM. The measurement results of contact angle and EWC of blend films indicate that the hydrophilicity of blend films decreases with the addition of PAM, but the EWC of blends increases with the addition of PAM.
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Affiliation(s)
- Yanen Wang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China
| | - Qinghua Wei
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China.
| | - Shuzhi Wang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China
| | - Weihong Chai
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China
| | - Yingfeng Zhang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China
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27
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Cao W, Tow GM, Lu L, Huang L, Lu X. Diffusion of CO2/CH4 confined in narrow carbon nanotube bundles. Mol Phys 2016. [DOI: 10.1080/00268976.2016.1177665] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Wei Cao
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu, China
| | - Garrett M. Tow
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK, USA
| | - Linghong Lu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu, China
| | - Liangliang Huang
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK, USA
| | - Xiaohua Lu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu, China
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28
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Akbarzadeh H, Shamkhali AN, Taherkhani F. Adsorption of He–Ar binary mixture on the silver nanoclusters: A molecular dynamics investigation on the effects mole fraction of mixture, shape and size of the nanocluster. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2016.01.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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29
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Akbarzadeh H, Abbaspour M. A comprehensive study of methane/carbon dioxide adsorptive selectivity in different bundle nanotubes. RSC Adv 2016. [DOI: 10.1039/c6ra16672e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
We have investigated methane/carbon dioxide adsorptive selectivity in carbon nanotube (CNT) and silicon carbide nanotube (SiCNT) bundlesviaMD simulations.
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30
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Liu Y. Development of 3-dimensional time-dependent density functional theory and its application to gas diffusion in nanoporous materials. Phys Chem Chem Phys 2016; 18:13158-63. [DOI: 10.1039/c6cp01610c] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An entropy scaling based TDDFT has been proposed and applied to diffusion in a nanoporous material.
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Affiliation(s)
- Yu Liu
- State Key Laboratory of Chemical Engineering and Department of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
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31
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Kundu J, Pascal T, Prendergast D, Whitelam S. Selective gas capture via kinetic trapping. Phys Chem Chem Phys 2016; 18:21760-6. [DOI: 10.1039/c6cp03940e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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32
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Rogge S, Vanduyfhuys L, Ghysels A, Waroquier M, Verstraelen T, Maurin G, Van Speybroeck V. A Comparison of Barostats for the Mechanical Characterization of Metal–Organic Frameworks. J Chem Theory Comput 2015; 11:5583-97. [DOI: 10.1021/acs.jctc.5b00748] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- S.M.J. Rogge
- Center
for Molecular Modeling (CMM), Ghent University, Technologiepark 903, 9052 Zwijnaarde, Belgium
| | - L. Vanduyfhuys
- Center
for Molecular Modeling (CMM), Ghent University, Technologiepark 903, 9052 Zwijnaarde, Belgium
| | - A. Ghysels
- Center
for Molecular Modeling (CMM), Ghent University, Technologiepark 903, 9052 Zwijnaarde, Belgium
| | - M. Waroquier
- Center
for Molecular Modeling (CMM), Ghent University, Technologiepark 903, 9052 Zwijnaarde, Belgium
| | - T. Verstraelen
- Center
for Molecular Modeling (CMM), Ghent University, Technologiepark 903, 9052 Zwijnaarde, Belgium
| | - G. Maurin
- Institut
Charles Gerhardt Montpellier, Université Montpellier 2, Place
Eugène Bataillon, 34095 Montpellier cedex 05, France
| | - V. Van Speybroeck
- Center
for Molecular Modeling (CMM), Ghent University, Technologiepark 903, 9052 Zwijnaarde, Belgium
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33
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Vargas EL, Snurr RQ. Heterogeneous Diffusion of Alkanes in the Hierarchical Metal-Organic Framework NU-1000. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:10056-10065. [PMID: 26302209 DOI: 10.1021/acs.langmuir.5b02420] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The metal-organic framework (MOF) NU-1000 is a hierarchical material that comprises both micropores and mesopores in its crystalline structure. Because the pore structure is perfectly defined, NU-1000 is an interesting material for improving our understanding of diffusion in hierarchically structured materials. Here, we present molecular dynamics simulations aimed at probing the transport properties of n-alkanes in NU-1000 and introduce methods from the microrheology literature for analyzing the mean-squared displacements and their spatial heterogeneity. Adsorption occurs initially in the smaller channels, and diffusion at low loading is limited by interaction between adsorbate and framework atoms. The larger channels provide a region of low density where molecules are able to diffuse at higher rates predominantly along the channel axes. The disparate size of the channels gives rise to heterogeneity in the diffusivity of the guest molecules, whereas the asymmetry of the channels leads to anisotropic diffusion. Together, the channels form a network of "highways" and "side streets" that provide enhanced diffusion in one dimension.
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Affiliation(s)
- Ernesto L Vargas
- Department of Chemical and Biological Engineering, Northwestern University , Evanston, Illinois 60208, United States
| | - Randall Q Snurr
- Department of Chemical and Biological Engineering, Northwestern University , Evanston, Illinois 60208, United States
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34
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Hu YF, Lv WJ, Zhao S, Shang YZ, Wang HL, Liu HL. Effect of surfactant SDS on DMSO transport across water/hexane interface by molecular dynamics simulation. Chem Eng Sci 2015. [DOI: 10.1016/j.ces.2015.05.068] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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35
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Glucose recovery from aqueous solutions by adsorption in metal-organic framework MIL-101: a molecular simulation study. Sci Rep 2015; 5:12821. [PMID: 26242874 PMCID: PMC4525290 DOI: 10.1038/srep12821] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 07/10/2015] [Indexed: 01/19/2023] Open
Abstract
A molecular simulation study is reported on glucose recovery from aqueous solutions by adsorption in metal-organic framework MIL-101. The F atom of MIL-101 is identified to be the most favorable adsorption site. Among three MIL-101-X (X = H, NH2 or CH3), the parent MIL-101 exhibits the highest adsorption capacity and recovery efficacy. Upon functionalization by -NH2 or -CH3 group, the steric hindrance in MIL-101 increases; consequently, the interactions between glucose and framework become less attractive, thus reducing the capacity and mobility of glucose. The presence of ionic liquid, 1-ethyl-3-methyl-imidazolium acetate, as an impurity reduces the strength of hydrogen-bonding between glucose and MIL-101, and leads to lower capacity and mobility. Upon adding anti-solvent (ethanol or acetone), a similar adverse effect is observed. The simulation study provides useful structural and dynamic properties of glucose in MIL-101, and it suggests that MIL-101 might be a potential candidate for glucose recovery.
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36
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Wide Carbon Nanopores as Efficient Sites for the Separation of SF6 from N2. Sci Rep 2015; 5:11994. [PMID: 26149217 PMCID: PMC4493711 DOI: 10.1038/srep11994] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 06/15/2015] [Indexed: 12/28/2022] Open
Abstract
SF6 and SF6-N2 mixed gases are used widely as insulators, but such gases have high greenhouse gas potential. The separation of SF6 from SF6-N2 mixed gases is an inevitable result of their use. Single-walled carbon nanohorns (CNHs) were used here for a fundamental study of the separation of SF6 and N2. The diameters of the interstitial and internal nanopores of the CNHs were 0.7 and 2.9 nm, respectively. The high selectivity of SF6 over N2 was observed only in the low-pressure regime in the interstitial 0.7 nm nanopores; the selectively was significantly decreased at higher pressures. In contrast, the high selectivity was maintained over the entire pressure range in the internal 2.9-nm nanopores. These results showed that the wide carbon nanopores were efficient for the separation of SF6 from the mixed gas.
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37
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Hu X, Brandani S, Benin AI, Willis RR. Development of a Semiautomated Zero Length Column Technique for Carbon Capture Applications: Study of Diffusion Behavior of CO2 in MOFs. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b00515] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiayi Hu
- Institute
for Materials and Processes, School of Engineering, The University of Edinburgh, EH9 3FB Edinburgh, U.K
| | - Stefano Brandani
- Institute
for Materials and Processes, School of Engineering, The University of Edinburgh, EH9 3FB Edinburgh, U.K
| | - Annabelle I. Benin
- New Materials
Research, UOP LLC, a Honeywell Company, Des Plaines, Illinois 60017-5017, United States
| | - Richard R. Willis
- New Materials
Research, UOP LLC, a Honeywell Company, Des Plaines, Illinois 60017-5017, United States
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38
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Martin-Calvo A, Gutiérrez-Sevillano JJ, Parra JB, Ania CO, Calero S. Transferable force fields for adsorption of small gases in zeolites. Phys Chem Chem Phys 2015; 17:24048-55. [DOI: 10.1039/c5cp03749b] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We provide transferable force fields for oxygen, nitrogen, and carbon monoxide that are able to reproduce experimental adsorption in both pure silica and alumino-substituted zeolites at cryogenic and high temperatures.
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Affiliation(s)
- A. Martin-Calvo
- Department of Physical
- Chemical, and Natural Systems
- University Pablo de Olavide
- 41013 Seville
- Spain
| | | | - J. B. Parra
- Instituto Nacional del Carbón
- INCAR-CSIC
- 33080 Oviedo
- Spain
| | - C. O. Ania
- Instituto Nacional del Carbón
- INCAR-CSIC
- 33080 Oviedo
- Spain
| | - S. Calero
- Department of Physical
- Chemical, and Natural Systems
- University Pablo de Olavide
- 41013 Seville
- Spain
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39
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Ohba T. The thinnest molecular separation sheet by graphene gates of single-walled carbon nanohorns. ACS NANO 2014; 8:11313-11319. [PMID: 25347389 DOI: 10.1021/nn504162s] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Graphene is possibly the thinnest membrane that could be used as a molecular separation gate. Several techniques including absorption, cryogenic distillation, adsorption, and membrane separation have been adopted for constructing separation systems. Molecular separation using graphene as the membrane has been studied because large area synthesis of graphene is possible by chemical vapor deposition. Control of the gate sizes is necessary to achieve high separation performances in graphene membranes. The separation of molecules and ions using graphene and graphene oxide layers could be achieved by the intrinsic defects and defect donation of graphene. However, the controllability of the graphene gates is still under debate because gate size control at the picometer level is inevitable for the fabrication of the thinnest graphene membranes. In this paper, the controlled gate size in the graphene sheets in single-walled carbon nanohorns (NHs) is studied and the molecular separation ability of the graphene sheets is assessed by molecular probing with CO2, O2, N2, CH4, and SF6. Graphene sheets in NHs with different sized gates of 310, 370, and >500 pm were prepared and assessed by molecular probing. The 310 pm-gates in the graphene sheets could separate the molecules tested, whereas weak separation properties were observed for 370 pm-gates. The amount of CO2 that penetrated the 310 pm-gates was more than 35 times larger than that of CH4. These results were supported by molecular dynamics simulations of the penetration of molecules through 300, 400, and 700 pm-gates in graphene sheets. Therefore, a gas separation membrane using a 340-pm-thick graphene sheet has high potential. These findings provide unambiguous evidence of the importance of graphene gates on the picometer level. Control of the gates is the primary challenge for high-performance separation membranes made of graphene.
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Affiliation(s)
- Tomonori Ohba
- Graduate School of Science, Chiba University , 1-33 Yayoi, Inage, Chiba, Chiba 263-8522, Japan
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40
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Jiang J. Molecular simulations in metal–organic frameworks for diverse potential applications. MOLECULAR SIMULATION 2014. [DOI: 10.1080/08927022.2013.832247] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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41
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Numaguchi R, Tanaka H, Watanabe S, Miyahara MT. Dependence of adsorption-induced structural transition on framework structure of porous coordination polymers. J Chem Phys 2014; 140:044707. [DOI: 10.1063/1.4862735] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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42
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Pera-Titus M. Porous inorganic membranes for CO2 capture: present and prospects. Chem Rev 2013; 114:1413-92. [PMID: 24299113 DOI: 10.1021/cr400237k] [Citation(s) in RCA: 285] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Marc Pera-Titus
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Université de Lyon, UMR 5256 CNRS-Université Lyon 1 , 2 Av. A. Einstein, 69626 Villeurbanne Cedex, France
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43
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Chempath S, Düren T, Sarkisov L, Snurr RQ. Experiences with the publicly available multipurpose simulation code, Music. MOLECULAR SIMULATION 2013. [DOI: 10.1080/08927022.2013.819103] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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44
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Purton J, Crabtree J, Parker S. DL_MONTE: a general purpose program for parallel Monte Carlo simulation. MOLECULAR SIMULATION 2013. [DOI: 10.1080/08927022.2013.839871] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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45
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Yang Q, Liu D, Zhong C, Li JR. Development of computational methodologies for metal-organic frameworks and their application in gas separations. Chem Rev 2013; 113:8261-323. [PMID: 23826973 DOI: 10.1021/cr400005f] [Citation(s) in RCA: 284] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Qingyuan Yang
- Laboratory of Computational Chemistry and State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology , Beijing 100029, China
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46
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Synergistic effect between 2-oleyl-1-oleylamidoethyl imidazoline ammonium methylsulfate and halide ion by molecular dynamics simulation. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.04.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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47
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Li XD, Zhang H, Miyamoto Y, Tang YJ, Wang CY. Computational design of tetrahedral silsesquioxane-based porous frameworks with diamond-like structure as hydrogen storage materials. Struct Chem 2013. [DOI: 10.1007/s11224-013-0267-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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48
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Zhang K, Chen Y, Nalaparaju A, Jiang J. Functionalized metal–organic framework MIL-101 for CO2 capture: multi-scale modeling from ab initio calculation and molecular simulation to breakthrough prediction. CrystEngComm 2013. [DOI: 10.1039/c3ce41737a] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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49
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50
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Tawalbeh M, Tezel FH, Letaief S, Detellier C, Kruczek B. Separation of CO2and N2on Zeolite Silicalate-1 Membrane Synthesized on Novel Support. SEP SCI TECHNOL 2012. [DOI: 10.1080/01496395.2012.655836] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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