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Al Atrach J, Aitblal A, Amedlous A, Xiong Y, Desmurs M, Ruaux V, Guillet-Nicolas R, Valtchev V. Nanosized Zeolite P for Enhanced CO 2 Adsorption Kinetics. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38996061 DOI: 10.1021/acsami.4c05988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2024]
Abstract
Downsizing zeolite crystals is a rational solution to address the challenge of slow adsorption rates for industrial applications. In this work, we report an environmentally friendly seed-assisted method for synthesizing nanoscale zeolite P, which has been shown to be promising for binary separations. The potassium-exchanged form of nanoagglomerates demonstrates dramatically enhanced CO2 adsorption capacity, improved diffusion rate, and separation performance. Single-component CO2 adsorption at equilibrium demonstrated higher CO2 uptake and faster adsorption kinetics (ca. 1400 s vs >130000 s) for nanosized zeolite (KP1) compared to its micron-sized (KP2) counterpart. The diffusion kinetics analysis revealed the relation between the crystal size and the transport mechanism. The micron-sized KP2 sample was primarily governed by a surface barrier resistance mechanism, while in KP1, the diffusion process involved both intracrystalline and surface barrier resistance, facilitating the surface diffusion process and enhancing the overall diffusion rate. Breakthrough curve analysis confirmed these findings as fast and efficient CO2/N2 and CO2/CH4 separations recorded for the nanosized sample. The results showed remarkably enhanced breakthrough time for KP2 vs KP1 in CO2/N2 (1.0 vs 10.9 min) and CO2/CH4 (1.1 vs 9.9 min) mixtures, along with much higher adsorption capacity for CO2/N2 (0.18 vs 1.33 mmol/g) and CO2/CH4 (0.18 vs 1.21 mmol/g) mixtures. The set of experimental data demonstrates the importance of zeolite crystal engineering for improving the gas separation performance of processes involving CO2, N2, and CH4.
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Affiliation(s)
- Jaouad Al Atrach
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
| | - Abdelhafid Aitblal
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
| | - Abdallah Amedlous
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
| | - Ying Xiong
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
| | - Marie Desmurs
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
| | - Valérie Ruaux
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
| | - Rémy Guillet-Nicolas
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
| | - Valentin Valtchev
- Université de Normandie, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), Caen 14050, France
- Faculty of Chemistry and Pharmacy, University of Sofia, Sofia 1126, Bulgaria
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Zhan J, Wang Y, He T, Sheng L, Wu B, Liu Q, Jia M, Zhang Y. Nonionic polymer and amino acid-assisted synthesis of ZSM-5 nanocrystals and their catalytic application in the alkylation of 2-methylnaphthalene. Dalton Trans 2024; 53:7384-7396. [PMID: 38587258 DOI: 10.1039/d4dt00096j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
The synthesis of nanosized ZSM-5 zeolites with high crystallinity and suitable acidity is very significant for their great potential in various catalytic applications. Herein, a series of zeolite ZSM-5 crystals with different particle sizes and SiO2/Al2O3 ratios (10-30) were synthesized by a temperature-varying two-step crystallization method in a concentrated gel system containing L-lysine and/or polyvinylpyrrolidone (PVP) additives. By optimizing the addition amounts of the two additives, the crystal size of the ZSM-5 zeolite could be reduced to less than 100 nm. Meanwhile, relatively high crystallinity and framework Al incorporation rates could be achieved, resulting in the generation of high-quality ZSM-5 nanocrystals. The nanosized H-form ZSM-5 zeolite with a SiO2/Al2O3 ratio of 20 showed enhanced catalytic efficiency and stability for the alkylation of 2-methylnaphthalene (2-MN) with methanol to produce an important intermediate, 2,6-dimethylnaphthalene (2,6-DMN). A relatively high and steady yield of 2,6-DMN (above 7.2%) could be achieved during 20 h time-on-stream at 400 °C. The smaller crystal size, higher crystallinity and framework Al content could provide more accessible Brønsted acid sites in the 10-membered ring channel of the ZSM-5 nanocrystals, which are the main active sites responsible for the shape-selectivity of the targeted product of 2,6-DMN. As a result, the formation of other side products like 1-MN and poly-MN could be effectively inhibited, thus leading to an improved 2,6-DMN yield and coke resistance over the nanosized ZSM-5 catalyst.
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Affiliation(s)
- Junling Zhan
- College of Chemistry, Jilin University, Changchun, Jilin, 130012, China.
- College of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin, Jilin, 132022, China.
| | - Ying Wang
- College of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin, Jilin, 132022, China.
| | - Tengfei He
- College of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin, Jilin, 132022, China.
| | - Luyang Sheng
- College of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin, Jilin, 132022, China.
| | - Banghao Wu
- College of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin, Jilin, 132022, China.
| | - Qun Liu
- College of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin, Jilin, 132022, China.
| | - Mingjun Jia
- College of Chemistry, Jilin University, Changchun, Jilin, 130012, China.
| | - Yu Zhang
- College of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin, Jilin, 132022, China.
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Wang Y, Xue Y, Züttel A. Nanoscale engineering of solid-state materials for boosting hydrogen storage. Chem Soc Rev 2024; 53:972-1003. [PMID: 38111973 DOI: 10.1039/d3cs00706e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
The development of novel materials capable of securely storing hydrogen at high volumetric and gravimetric densities is a requirement for the wide-scale usage of hydrogen as an energy carrier. In recent years, great efforts via nanoscale tuning and designing strategies on both physisorbents and chemisorbents have been devoted to improvements in their thermodynamic and kinetic aspects. Increasing the hydrogen storage capacity/density for physisorbents and chemisorbents and improving the dehydrogenation kinetics of hydrides are still considered a challenge. The extensive and fast development of advanced nanotechnologies has fueled a surge in research that presents huge potential in designing solid-state materials to meet the ultimate U.S. Department of Energy capacity targets for onboard light-duty vehicles, material-handling equipments, and portable power applications. Different from the existing literature, in this review, particular attention is paid to the recent advances in nanoscale engineering of solid-state materials for boosting hydrogen storage, especially the nanoscale tuning and designing strategies. We first present a short overview of hydrogen storage mechanisms of nanoscale engineering for boosted hydrogen storage performance on solid-state materials, for example, hydrogen spillover, nanopump effect, nanosize effect, nanocatalysis, and other non-classical hydrogen storage mechanisms. Then, the focus is on recent advancements in nanoscale engineering strategies aimed at enhancing the gravimetric hydrogen storage capacity of porous materials, reducing dehydrogenation temperature and improving reaction kinetics and reversibility of hydrogen desorption/absorption for metal hydrides. Effective nanoscale tuning strategies for enhancing the hydrogen storage performance of porous materials include optimizing surface area and pore volume, fine-tuning nanopore sizes, introducing nanostructure doping, and crafting nanoarchitecture and nanohybrid materials. For metal hydrides, successful strategies involve nanoconfinement, nanosizing, and the incorporation of nanocatalysts. This review further addresses the points to future research directions in the hope of ushering in the practical applications of hydrogen storage materials.
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Affiliation(s)
- Yunting Wang
- Institute of Chemical Sciences and Engineering, École polytechnique fédérale de Lausanne (EPFL), CH-1950 Sion, Switzerland.
- Empa Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Yudong Xue
- Institute of Chemical Sciences and Engineering, École polytechnique fédérale de Lausanne (EPFL), CH-1950 Sion, Switzerland.
| | - Andreas Züttel
- Institute of Chemical Sciences and Engineering, École polytechnique fédérale de Lausanne (EPFL), CH-1950 Sion, Switzerland.
- Empa Materials Science and Technology, 8600 Dübendorf, Switzerland
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Kurupath VP, Coasne B. Mixture Adsorption in Nanoporous Zeolite and at Its External Surface: In-Pore and Surface Selectivity. J Phys Chem B 2023; 127:9596-9607. [PMID: 37879034 DOI: 10.1021/acs.jpcb.3c04221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Using toluene, ethylene, and water as gas compounds with different representative molecular interactions, we perform atom-scale simulations for their mixtures to investigate the selectivity of the core nanoporosity and external surface in a prototypical zeolite. As expected, the overall behavior suggests that increasing the pressure of a given component promotes the desorption of the coadsorbing species. However, for water-toluene mixtures, we identify that the pseudohydrogen bonding between water and toluene leads to beneficial coadsorption as toluene adsorption in the low-pressure range promotes water adsorption. Moreover, when the zeolite is completely filled with water, toluene adsorption does not occur due to steric repulsion, and ethylene shows oversolubility as the amount of ethylene per water molecule is significantly larger than in bulk water. The underlying oversolubility mechanism is found to be due to localized ethylene adsorption in the density minima arising from the layering of water in nanoconfinement. Despite these specific effects, the relatively weak coadsorption effects in the zeolite nanoporosity, which are found to be reasonably captured using the ideal adsorbed solution theory, arise from the fact that adsorption of these gases having different molecular sizes occurs in distinct pore regions (channel type, channel intersection). Finally, in contrast to confinement in the nanoporosity, mixture adsorption at the external surface does not show coadsorption effects as it mostly follows the Henry regime. These results show that selectivity is mostly governed by the confinement effects as the external surface leads to a selectivity loss.
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Affiliation(s)
| | - Benoit Coasne
- Univ. Grenoble Alpes, CNRS LIPhy, Grenoble F-38000, France
- Institut Laue-Langevin, Grenoble F-38042, France
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Chitac R, Zholobenko VL, Fletcher RS, Softley E, Bradley J, Mayoral A, Turrina A, Wright PA. Synthetic Control of the Defect Structure and Hierarchical Extra-Large-/Small-Pore Microporosity in Aluminosilicate Zeolite SWY. J Am Chem Soc 2023; 145:22097-22114. [PMID: 37755328 PMCID: PMC10571081 DOI: 10.1021/jacs.3c07873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Indexed: 09/28/2023]
Abstract
The SWY-type aluminosilicate zeolite, STA-30, has been synthesized via different routes to understand its defect chemistry and solid acidity. The synthetic parameters varied were the gel aging, the Al source, and the organic structure directing agent. All syntheses give crystalline materials with similar Si/Al ratios (6-7) that are stable in the activated K,H-form and closely similar by powder X-ray diffraction. However, they exhibit major differences in the crystal morphology and in their intracrystalline porosity and silanol concentrations. The diDABCO-C82+ (1,1'-(octane-1,8-diyl)bis(1,4-diazabicyclo[2.2.2]octan)-1-ium)-templated STA-30 samples (but not those templated by bisquinuclidinium octane, diQuin-C82+) possess hierarchical microporosity, consisting of noncrystallographic extra-large micropores (13 Å) that connect with the characteristic swy and gme cages of the SWY structure. This results in pore volumes up to 30% greater than those measured in activated diQuin-C8_STA-30 as well as higher concentrations of silanols and fewer Brønsted acid sites (BASs). The hierarchical porosity is demonstrated by isopentane adsorption and the FTIR of adsorbed pyridine, which shows that up to 77% of the BASs are accessible (remarkable for a zeolite that has a small-pore crystal structure). A structural model of single can/d6r column vacancies is proposed for the extra-large micropores, which is revealed unambiguously by high-resolution scanning transmission electron microscopy. STA-30 can therefore be prepared as a hierarchically porous zeolite via direct synthesis. The additional noncrystallographic porosity and, subsequently, the amount of SiOHs in the zeolites can be enhanced or strongly reduced by the choice of crystallization conditions.
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Affiliation(s)
- Ruxandra
G. Chitac
- EaStCHEM
School of Chemistry, University of St Andrews, St Andrews KY16 9ST, U.K.
| | | | | | - Emma Softley
- Johnson
Matthey, Catalyst Technologies, Billingham TS23 1LB, U.K.
| | | | - Alvaro Mayoral
- Instituto
de Nanociencia y Materiales de Aragon (INMA), Spanish National Research Council (CSIC)-University of Zaragoza, 12 Calle de Pedro Cerbuna, Zaragoza 50009, Spain
| | | | - Paul A. Wright
- EaStCHEM
School of Chemistry, University of St Andrews, St Andrews KY16 9ST, U.K.
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6
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Vandaele J, de Jong F, Romolini G, Pham HT, Escudero D, Fron E. Photophysical Properties of Silver Clusters in Faujasite Zeolites: Does the Crystal Size Matter? J Phys Chem Lett 2023; 14:7626-7631. [PMID: 37602768 DOI: 10.1021/acs.jpclett.3c01547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Electrostatic interactions between the zeolite cavity and confined noble-metal nanoparticles govern the photophysical properties of these materials. A better understanding of these interactions can afford new perspectives in optoelectronics applications. We investigated this interplay by revealing the peculiar photophysical properties of Ag clusters embedded in nanosized faujasite zeolite structures. Crystal size and steady state optical properties were characterized via integrated light and electron microscopy (ILEM) and steady state spectroscopy. Extensive time-resolved spectroscopy experiments performed on femtosecond to millisecond time scales revealed excited state dynamics that are intriguingly different from those observed for their micrometer sized counterpart. Multiscale modeling investigations were performed to rationalize the effect of the crystal size on the photophysical properties. Our results indicate that for the nanosized crystals, the emissive properties as well as the radiative and nonradiative processes involving the Ag clusters are dramatically dependent on the surface charge density and surface charge balance.
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Affiliation(s)
- Johannes Vandaele
- Molecular Imaging and Photonics, Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Flip de Jong
- Molecular Imaging and Photonics, Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Giacomo Romolini
- Molecular Imaging and Photonics, Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Hung Tan Pham
- Quantum Chemistry and Physical Chemistry, Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Daniel Escudero
- Quantum Chemistry and Physical Chemistry, Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Eduard Fron
- Molecular Imaging and Photonics, Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
- Core facility for Advanced Spectroscopy, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
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7
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Mena-Silva D, Alfaro A, León A, Guajardo-Correa E, Elgueta E, Diaz P, Vilos C, Cardenas H, Denardin JC, Orihuela PA. Zeolite Nanoparticles Loaded with 2-Methoxystradiol as a Novel Drug Delivery System for the Prostate Cancer Therapy. Int J Mol Sci 2023; 24:10967. [PMID: 37446151 DOI: 10.3390/ijms241310967] [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: 05/19/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
The estrogen metabolite 2-methoxyestradiol (2ME) is a promissory anticancer drug mainly because of its pro-apoptotic properties in cancer cells. However, the therapeutic use of 2ME has been hampered due to its low solubility and bioavailability. Thus, it is necessary to find new ways of administration for 2ME. Zeolites are inorganic aluminosilicates with a porous structure and are considered good adsorbents and sieves in the pharmaceutical field. Here, mordenite-type zeolite nanoparticles were loaded with 2ME to assess its efficiency as a delivery system for prostate cancer treatment. The 2ME-loaded zeolite nanoparticles showed an irregular morphology with a mean hydrodynamic diameter of 250.9 ± 11.4 nm, polydispersity index of 0.36 ± 0.04, and a net negative surface charge of -34 ± 1.73 meV. Spectroscopy with UV-vis and Attenuated Total Reflectance Infrared Fourier-Transform was used to elucidate the interaction between the 2ME molecules and the zeolite framework showing the formation of a 2ME-zeolite conjugate in the nanocomposite. The studies of adsorption and liberation determined that zeolite nanoparticles incorporated 40% of 2ME while the liberation of 2ME reached 90% at pH 7.4 after 7 days. The 2ME-loaded zeolite nanoparticles also decreased the viability and increased the mRNA of the 2ME-target gene F-spondin, encoded by SPON1, in the human prostate cancer cell line LNCaP. Finally, the 2ME-loaded nanoparticles also decreased the viability of primary cultures from mouse prostate cancer. These results show the development of 2ME-loaded zeolite nanoparticles with physicochemical and biological properties compatible with anticancer activity on the human prostate and highlight that zeolite nanoparticles can be a good carrier system for 2ME.
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Affiliation(s)
- Denisse Mena-Silva
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9160000, Chile
| | - Aline Alfaro
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9160000, Chile
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología CEDENNA, Santiago 9160000, Chile
| | - Andrea León
- Faculty of Chemistry and Food Chemistry, Technische Universitat Dresden, Bergstrasse 66c, 01069 Dresden, Germany
| | - Emanuel Guajardo-Correa
- Advanced Center for Chronic Diseases (ACCDIS), Facultad de Ciencias Químicas y Farmacéuticas y Universidad de Chile, Santiago 8380000, Chile
| | - Estefania Elgueta
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9160000, Chile
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología CEDENNA, Santiago 9160000, Chile
| | - Patricia Diaz
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología CEDENNA, Santiago 9160000, Chile
| | - Cristian Vilos
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología CEDENNA, Santiago 9160000, Chile
- Laboratory of Nanomedicine and Targeted Delivery, School of Medicine, Universidad de Talca, Talca 3460000, Chile
- Center for Nanomedicine, Diagnostic & Drug Development (cND3), Universidad de Talca, Talca 3460000, Chile
| | - Hugo Cardenas
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9160000, Chile
| | - Juliano C Denardin
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología CEDENNA, Santiago 9160000, Chile
- Departamento de Física, Universidad de Santiago de Chile, Santiago 9160000, Chile
| | - Pedro A Orihuela
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9160000, Chile
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología CEDENNA, Santiago 9160000, Chile
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Ghojavand S, Dib E, Rey J, Daouli A, Clatworthy EB, Bazin P, Ruaux V, Badawi M, Mintova S. Interplay between alkali-metal cations and silanol sites in nanosized CHA zeolite and implications for CO 2 adsorption. Commun Chem 2023; 6:134. [PMID: 37386117 DOI: 10.1038/s42004-023-00918-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 06/01/2023] [Indexed: 07/01/2023] Open
Abstract
Silanols are key players in the application performance of zeolites, yet, their localization and hydrogen bonding strength need more studies. The effects of post-synthetic ion exchange on nanosized chabazite (CHA), focusing on the formation of silanols, were studied. The significant alteration of the silanols of the chabazite nanozeolite upon ion exchange and their effect on the CO2 adsorption capacity was revealed by solid-state nuclear magnetic resonance (NMR), Fourier-transform infrared (FTIR) spectroscopy, and periodic density functional theory (DFT) calculations. Both theoretical and experimental results revealed changing the ratio of extra-framework cations in CHA zeolites changes the population of silanols; decreasing the Cs+/K+ ratio creates more silanols. Upon adsorption of CO2, the distribution and strength of the silanols also changed with increased hydrogen bonding, thus revealing an interaction of silanols with CO2 molecules. To the best of our knowledge, this is the first evidence of the interplay between alkali-metal cations and silanols in nanosized CHA.
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Affiliation(s)
- Sajjad Ghojavand
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000, Caen, France
| | - Eddy Dib
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000, Caen, France
| | - Jérôme Rey
- Université de Lorraine, CNRS, Laboratoire de Physique et Chimie Théoriques (LPCT), F-54000, Nancy, France
| | - Ayoub Daouli
- Université de Lorraine, CNRS, Laboratoire de Physique et Chimie Théoriques (LPCT), F-54000, Nancy, France
| | - Edwin B Clatworthy
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000, Caen, France
| | - Philippe Bazin
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000, Caen, France
| | - Valérie Ruaux
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000, Caen, France
| | - Michael Badawi
- Université de Lorraine, CNRS, Laboratoire de Physique et Chimie Théoriques (LPCT), F-54000, Nancy, France
| | - Svetlana Mintova
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000, Caen, France.
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9
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Asgar Pour Z, Abduljawad MM, Alassmy YA, Cardon L, Van Steenberge PHM, Sebakhy KO. A Comparative Review of Binder-Containing Extrusion and Alternative Shaping Techniques for Structuring of Zeolites into Different Geometrical Bodies. Catalysts 2023. [DOI: 10.3390/catal13040656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
Abstract
Zeolites are crystalline metallosilicates displaying unique physicochemical properties with widespread applications in catalysis, adsorption, and separation. They are generally obtained by a multi-step process that starts with primary mixture aging, followed by hydrothermal crystallization, washing, drying, and, finally, a calcination step. However, the zeolites obtained are in the powder form and because of generating a pressure drop in industrial fixed bed reactors, not applicable for industrial purposes. To overcome such drawbacks, zeolites are shaped into appropriate geometries and the desired size (a few centimeters) using extrusion, where zeolite powders are mixed with binders (e.g., mineral clays or inorganic oxides). The presence of binders provides good mechanical strength against crushing in shaped zeolites, but binders may have adverse impacts on zeolite catalytic and sorption properties, such as active site dilution and pore blockage. The latter is more pronounced when the binder has a smaller particle size, which makes the zeolite internal active sites mainly inaccessible. In addition to the shaping requirements, a hierarchical structure with different levels of porosity (micro-, meso-, and macropores) and an interconnected network are essential to decrease the diffusion limitation inside the zeolite micropores as well as to increase the mass transfer through the presence of larger auxiliary pores. Thus, the generation of hierarchical structure and its preservation during the shaping step is of great importance. The aim of this review is to provide a comprehensive survey and detailed overview on the binder-containing extrusion technique compared to alternative shaping technologies with improved mass transfer properties. An emphasis is allocated to those techniques that have been less discussed in detail in the literature.
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MFI Type Zeolite Aggregates with Nanosized Particles via a Combination of Spray Drying and Steam-Assisted Crystallization (SAC) Techniques. Catalysts 2023. [DOI: 10.3390/catal13030536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Hydrothermal synthesis is the state-of-the-art technique for the preparation of zeolites and related porous solids. However, when it comes to the preparation of nanosized zeolites, this technique is limited by low yields, separation problems and high amounts of waste. In this work, we utilized the strengths of a combination of spray drying and steam-assisted crystallization (SAC), also known as dry gel conversion, to reduce these problems. At spray drying temperatures between 300 and 400 °C, it was possible to convert all the amorphous material via SAC into zeolite particles without extra addition of template. Kinetic studies of SAC revealed that about 4 to 8 days are needed to achieve the formation of a 100% crystalline product. The newly formed crystalline phase was crystallized on the surface of the nanosized zeolites and led to a slight increase in the primary particle size while the macroscopic morphology of the spray-dried aggregates was preserved. This work demonstrates that the combination of spray drying and SAC are useful tools in supplementing the hydrothermal synthesis of nanosized zeolites.
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11
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Li J, Gao M, Yan W, Yu J. Regulation of the Si/Al ratios and Al distributions of zeolites and their impact on properties. Chem Sci 2023; 14:1935-1959. [PMID: 36845940 PMCID: PMC9945477 DOI: 10.1039/d2sc06010h] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/27/2022] [Indexed: 12/29/2022] Open
Abstract
Zeolites are typically a class of crystalline microporous aluminosilicates that are constructed by SiO4 and AlO4 tetrahedra. Because of their unique porous structures, strong Brönsted acidity, molecular-level shape selectivity, exchangeable cations, and high thermal/hydrothermal stability, zeolites are widely used as catalysts, adsorbents, and ion-exchangers in industry. The activity, selectivity, and stability/durability of zeolites in applications are closely related to their Si/Al ratios and Al distributions in the framework. In this review, we discussed the basic principles and the state-of-the-art methodologies for regulating the Si/Al ratios and Al distributions of zeolites, including seed-assisted recipe modification, interzeolite transformation, fluoride media, and usage of organic structure-directing agents (OSDAs), etc. The conventional and newly developed characterization methods for determining the Si/Al ratios and Al distributions were summarized, which include X-ray fluorescence spectroscopy (XRF), solid state 29Si/27Al magic-angle-spinning nuclear magnetic resonance spectroscopy (29Si/27Al MAS NMR), Fourier-transform infrared spectroscopy (FT-IR), etc. The impact of Si/Al ratios and Al distributions on the catalysis, adsorption/separation, and ion-exchange performance of zeolites were subsequently demonstrated. Finally, we presented a perspective on the precise control of the Si/Al ratios and Al distributions of zeolites and the corresponding challenges.
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Affiliation(s)
- Jialiang Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China
| | - Mingkun Gao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China
| | - Wenfu Yan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 2699 Qianjin Street Changchun 130012 China .,International Center of Future Science, Jilin University 2699 Qianjin Street Changchun 130012 China
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12
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Synthesis of nanozeolites type A and X from quartz-rich Cameroonian kaolin: application to the modification of carbon paste electrode for acetaminophen and epinine electrochemical sensing. J Solid State Electrochem 2023. [DOI: 10.1007/s10008-022-05355-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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13
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Amedlous A, Hélaine C, Guillet-Nicolas R, Lebedev O, Valable S, Mintova S. Gadolinium-loaded LTL nanosized zeolite for efficient oxygen delivery and magnetic resonance imaging. Inorg Chem Front 2023. [DOI: 10.1039/d3qi00169e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
The search for efficient gas carriers for biomedical applications presents a challenging task due to the kinetics of gas adsorption/desorption. This article presents a novel approach utilizing Gd-LTL zeolite crystals for oxygen delivery combined with an MRI study.
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Affiliation(s)
- Abdallah Amedlous
- Normandie Université, ENSICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050 Caen, France
| | - Charly Hélaine
- Normandie Université, UNICAEN, CNRS, ISTCT, GIP CYCERON, 14000 Caen, France
| | - Rémy Guillet-Nicolas
- Normandie Université, ENSICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050 Caen, France
| | - Oleg Lebedev
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire de Cristallographie et Science des Matériaux (CRISMAT), 14050 Caen, France
| | - Samuel Valable
- Normandie Université, UNICAEN, CNRS, ISTCT, GIP CYCERON, 14000 Caen, France
| | - Svetlana Mintova
- Normandie Université, ENSICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050 Caen, France
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14
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Parmar D, Mallette AJ, Yang T, Zou X, Rimer JD. Unique Role of GeO 2 as a Noninvasive Promoter of Nano-Sized Zeolite Crystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2205885. [PMID: 36125846 DOI: 10.1002/adma.202205885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/05/2022] [Indexed: 06/15/2023]
Abstract
The synthesis of zeolites with nano-sized dimensions is often limited to a narrow design space that conventionally relies upon the design of organics to direct hierarchical materials. Here, it is demonstrated that the addition of an inorganic modifier, germanium oxide (GeO2 ), to a zeolite growth mixture directs the formation of crystals with ultrasmall dimensions. This effect is observed for zeolites ZSM-11 and ZSM-5 over a range of synthesis conditions wherein the role of GeO2 in zeolite crystallization deviates from its typical function as a heteroatom. Notably, the final products contain trace amounts of Ge, which indicates the inorganic modifier does not compete for sites in the zeolite framework based on its formation of a discrete phase that enables GeO2 recovery. Catalytic tests using the methanol-to-hydrocarbons reaction reveal significant enhancement in the performance of zeolite catalysts prepared with GeO2 compared to reported examples of nano-sized zeolites. These findings highlight a potentially generalizable and commercially viable synthesis method to reduce mass-transport limitations in zeolites for diverse applications.
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Affiliation(s)
- Deependra Parmar
- Department of Chemical and Biomolecular Engineering, University of Houston, 4226 Martin Luther King Boulevard, Houston, TX, 77204, USA
| | - Adam J Mallette
- Department of Chemical and Biomolecular Engineering, University of Houston, 4226 Martin Luther King Boulevard, Houston, TX, 77204, USA
| | - Taimin Yang
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, 106 91, Sweden
| | - Xiaodong Zou
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, 106 91, Sweden
| | - Jeffrey D Rimer
- Department of Chemical and Biomolecular Engineering, University of Houston, 4226 Martin Luther King Boulevard, Houston, TX, 77204, USA
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15
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He P, Yi Q, Geng H, Shao Y, Liu M, Wu Z, Luo W, Liu Y, Valtchev V. Boosting the Catalytic Activity and Stability of Ru Metal Clusters in Hydrodeoxygenation of Guaiacol through MWW Zeolite Pore Constraints. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Ping He
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Songling Road 189, Laoshan District, Qingdao 266101, China
| | - Qisong Yi
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Songling Road 189, Laoshan District, Qingdao 266101, China
| | - Huawei Geng
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Songling Road 189, Laoshan District, Qingdao 266101, China
| | - Yuanchao Shao
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Songling Road 189, Laoshan District, Qingdao 266101, China
| | - Meng Liu
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC, China University of Petroleum-Beijing, Fuxue Road 18, Changping, Beijing 102249, China
| | - Zhijie Wu
- State Key Laboratory of Heavy Oil Processing and the Key Laboratory of Catalysis of CNPC, China University of Petroleum-Beijing, Fuxue Road 18, Changping, Beijing 102249, China
| | - Wenhao Luo
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Yuanshuai Liu
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Songling Road 189, Laoshan District, Qingdao 266101, China
| | - Valentin Valtchev
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Songling Road 189, Laoshan District, Qingdao 266101, China
- Laboratoire Catalyse et Spectrochimie, Normandie Univ, ENSICAEN, UNICAEN, CNRS, 6 Boulevard Maréchal Juin, 14050 Caen, France
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16
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Zhou P, Wu T, Sun Z, Liu Y, Chen X, Zhu M, Zhang F, Hu N, Li Y, Gui T, Chen X, Kita H. Influence of sodium ion on high-silica SSZ-13 membranes for efficient CO2/CH4 and N2/CH4 separations. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Erdosy DP, Wenny MB, Cho J, DelRe C, Walter MV, Jiménez-Ángeles F, Qiao B, Sanchez R, Peng Y, Polizzotti BD, de la Cruz MO, Mason JA. Microporous water with high gas solubilities. Nature 2022; 608:712-718. [PMID: 36002487 DOI: 10.1038/s41586-022-05029-w] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 06/28/2022] [Indexed: 11/09/2022]
Abstract
Liquids with permanent microporosity can absorb larger quantities of gas molecules than conventional solvents1, providing new opportunities for liquid-phase gas storage, transport and reactivity. Current approaches to designing porous liquids rely on sterically bulky solvent molecules or surface ligands and, thus, are not amenable to many important solvents, including water2-4. Here we report a generalizable thermodynamic strategy to preserve permanent microporosity and impart high gas solubilities to liquid water. Specifically, we show how the external and internal surface chemistry of microporous zeolite and metal-organic framework (MOF) nanocrystals can be tailored to promote the formation of stable dispersions in water while maintaining dry networks of micropores that are accessible to gas molecules. As a result of their permanent microporosity, these aqueous fluids can concentrate gases, including oxygen (O2) and carbon dioxide (CO2), to much higher densities than are found in typical aqueous environments. When these fluids are oxygenated, record-high capacities of O2 can be delivered to hypoxic red blood cells, highlighting one potential application of this new class of microporous liquids for physiological gas transport.
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Affiliation(s)
- Daniel P Erdosy
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Malia B Wenny
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Joy Cho
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Christopher DelRe
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Miranda V Walter
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Felipe Jiménez-Ángeles
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
| | - Baofu Qiao
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
| | - Ricardo Sanchez
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Yifeng Peng
- Division of Basic Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, MA, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Brian D Polizzotti
- Division of Basic Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, MA, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Monica Olvera de la Cruz
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA.,Department of Physics and Astronomy, Northwestern University, Evanston, IL, USA.,Department of Chemistry, Northwestern University, Evanston, IL, USA
| | - Jarad A Mason
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA.
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18
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Medeiros-Costa IC, Laroche C, Coasne B, Pérez-Pellitero J. Xylene Selectivity at the External Surface of Hierarchical Zeolites: Experiment and Molecular Modeling. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Catherine Laroche
- IFP Energies nouvelles, Rond-point de l’échangeur, BP3, Solaize 69360, France
| | - Benoit Coasne
- Univ. Grenoble Alpes, CNRS, LIPhy, Grenoble F-38000, France
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19
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Nishioka M, Miyakawa M, Nagase T. Semiflow Microwave Heating Reactor with Resonator Moving Mechanism Applied to Zeolite Synthesis. ACS OMEGA 2022; 7:18638-18645. [PMID: 35694498 PMCID: PMC9178737 DOI: 10.1021/acsomega.2c01303] [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: 03/04/2022] [Accepted: 04/26/2022] [Indexed: 06/15/2023]
Abstract
A semiflow microwave (MW) heating reactor similar to a flow reactor system was developed. Slurry raw materials in the reaction tube were heated continuously and cooled rapidly by moving a thin MW resonator instead of flowing slurry raw materials. From highly viscous mother slurries, Linde-type A (LTA) and faujasite (FAU)-type zeolite nanoparticles of small crystal grains were synthesized quickly. Results show that this heating system can synthesize hydroxy-sodalite (SOD)-type zeolite from coal fly ash particles including those larger than 50 μm. Numerical calculations using the COMSOL Multiphysics program revealed the thermal distribution of liquids of various viscosities using the semiflow MW heating reactor.
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20
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A Review on the Effects of Organic Structure-Directing Agents on the Hydrothermal Synthesis and Physicochemical Properties of Zeolites. CHEMISTRY 2022. [DOI: 10.3390/chemistry4020032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The study on the synthesis of zeolites, including both the development of novel techniques of synthesis and the discovery of new zeolitic frameworks, has a background of several decades. In this context, the application of organic structure-directing agents (SDAs) is one of the key factors having an important role in the formation of porous zeolitic networks as well as the crystallization process of zeolites. There are various elements that are needed to be explored for elucidating the effects of organic SDAs on the final physicochemical properties of zeolites. Although SDAs were firstly used as pore generators in the synthesis of high-silica zeolites, further studies proved their multiple roles during the synthesis of zeolites, such as their influences on the crystallization evolution of zeolite, the size of the crystal and the chemical composition, which is beyond their porogen properties. The aim of this mini review is to present and briefly summarize these features as well as the advances in the synthesis of new SDAs during the last decades.
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21
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Kellouai W, Judeinstein P, Plazanet M, Baudoin S, Drobek M, Julbe A, Coasne B. Gas Adsorption in Zeolite and Thin Zeolite Layers: Molecular Simulation, Experiment, and Adsorption Potential Theory. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:5428-5438. [PMID: 35486814 DOI: 10.1021/acs.langmuir.1c03420] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Molecular simulations and experiments are used to investigate methane adsorption in bulk and thin layers of MFI zeolite (silicalite-1). After comparing the theoretical adsorption data obtained using Grand Canonical Monte Carlo simulations for bulk MFI at various temperatures against experiments, zeolite layers with different crystalline orientations and levels of surface flexibility are considered. The data obtained for such prototypical systems allow us to rationalize both the qualitative and quantitative impact of external surface in nanoporous solids. In particular, due to strong confinement in zeolite pores, methane is found to adsorb at low pressures in the core of the zeolite while external surface adsorption occurs at pressures where the internal porosity of zeolite is saturated. Using Polanyi's adsorption potential theory, which is derived here from Hill's general scheme for adsorption, we provide a simple thermodynamic formalism to predict consistently adsorption both in the internal porosity and at the external surface of nanoporous solids. While this seminal theory has been already applied for gases in nanoporous solids, its extension to describe both surface and volume adsorption is important to provide a general rational framework for fluid adsorption in finely divided materials. We also discuss the applicability of this formalism for gas adsorption data under supercritical conditions.
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Affiliation(s)
- Wanda Kellouai
- Université Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France
| | | | - Marie Plazanet
- Université Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France
| | - Simon Baudoin
- Institut Laue Langevin, 71 Av. des Martyrs, 38000 Grenoble, France
| | - Martin Drobek
- Institut Européen des Membranes, CNRS, ENSCM, Univ Montpellier, Place Eugène Bataillon, 34095 Montpellier, France
| | - Anne Julbe
- Institut Européen des Membranes, CNRS, ENSCM, Univ Montpellier, Place Eugène Bataillon, 34095 Montpellier, France
| | - Benoit Coasne
- Université Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France
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22
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Hu S, Liu J, Chen J, Meng J, Ye G, Zhou X. Reducing External Surface Diffusion Barriers by Chemical Vapor Deposition for Improved Zeolite Catalysis. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shen Hu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Junru Liu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jiaxuan Chen
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jinlin Meng
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Guanghua Ye
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xinggui Zhou
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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23
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Azhari NJ, Nurdini N, Mardiana S, Ilmi T, Fajar AT, Makertihartha I, Subagjo, Kadja GT. Zeolite-based catalyst for direct conversion of CO2 to C2+ hydrocarbon: A review. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.101969] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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24
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Dai W, Zhang L, Liu R, Wu G, Guan N, Li L. Plate-Like ZSM-5 Zeolites as Robust Catalysts for the Cracking of Hydrocarbons. ACS APPLIED MATERIALS & INTERFACES 2022; 14:11415-11424. [PMID: 35226463 DOI: 10.1021/acsami.1c23614] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Zeolites with good acid site accessibility and high diffusion rates are highly desirable catalysts, especially when dealing with bulk molecules. In this work, ZSM-5 zeolites with similar Si/Al ratios but different thicknesses along the b-axis (from ∼30 nm to ∼5 μm), namely, two plate-like ZSM-5 zeolites and two reference zeolites have been prepared and the impacts of b-axis thickness on the surface properties and catalytic cracking performances are explored. Comprehensive physiochemical studies demonstrate that reducing the b-axis thickness of the zeolite crystals endows the samples with better acid site accessibility and more external surface acid sites. Two model compounds with different molecule sizes, namely, 1,3,5-triisopropylbenzene (TIPB) and cumene, are selected to explore the catalytic cracking performances of the as-synthesized samples. The results reveal that decreasing the b-axis thickness of zeolite crystals can effectually promote the catalytic activity and stability in catalytic cracking reactions. For TIPB cracking, the greatly enhanced catalytic activity is ascribed to the enhanced acid site accessibility in plate-like ZSM-5 zeolites, and for cumene cracking, the improved catalytic stability is ascribed to the shortened diffusion length of plate-like zeolites.
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Affiliation(s)
- Weijiong Dai
- School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, P. R. China
| | - Lina Zhang
- School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, P. R. China
| | - Runze Liu
- School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, P. R. China
| | - Guangjun Wu
- School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, P. R. China
| | - Naijia Guan
- School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, P. R. China
| | - Landong Li
- School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, P. R. China
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25
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Hu S, Chen J, Zhang Q, Liu J, Meng J, Ye G, Zhou X, Yuan W. Crystal‐size‐dependent external surface diffusion barriers in Pt/
ZSM
‐5 catalyzed
n
‐pentane isomerization. AIChE J 2022. [DOI: 10.1002/aic.17677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shen Hu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Jiaxuan Chen
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Qunfeng Zhang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Junru Liu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Jinlin Meng
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Guanghua Ye
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Xinggui Zhou
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Weikang Yuan
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering East China University of Science and Technology Shanghai China
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26
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Liu M, Nothling MD, Zhang S, Fu Q, Qiao GG. Thin film composite membranes for postcombustion carbon capture: Polymers and beyond. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101504] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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27
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Liu MN, Xie ZX, Luo QX, Zhang J, Chen H, Xu L, Sun M, Ma X, Hao QQ. Synthesis of Nanosized Mordenite with Enhanced Catalytic Performance in the Alkylation of Benzene with Benzyl Alcohol. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c03419] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Meng-Nan Liu
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
| | - Zhi-Xia Xie
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
| | - Qun-Xing Luo
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Xi’an, Shaanxi 710069, China
- International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi’an, Shaanxi 710069, China
| | - Jianbo Zhang
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Xi’an, Shaanxi 710069, China
- International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi’an, Shaanxi 710069, China
| | - Huiyong Chen
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Xi’an, Shaanxi 710069, China
- International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi’an, Shaanxi 710069, China
| | - Long Xu
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Xi’an, Shaanxi 710069, China
- International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi’an, Shaanxi 710069, China
| | - Ming Sun
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Xi’an, Shaanxi 710069, China
- International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi’an, Shaanxi 710069, China
| | - Xiaoxun Ma
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Xi’an, Shaanxi 710069, China
- International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi’an, Shaanxi 710069, China
| | - Qing-Qing Hao
- School of Chemical Engineering, Northwest University, Xi’an, Shaanxi 710069, China
- Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Xi’an, Shaanxi 710069, China
- International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi’an, Shaanxi 710069, China
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28
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Smeets V, Gaigneaux EM, Debecker DP. Titanosilicate Epoxidation Catalysts: A Review of Challenges and Opportunities. ChemCatChem 2022. [DOI: 10.1002/cctc.202101132] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Valentin Smeets
- Institute of Condensed Matter and Nanosciences (IMCN) Université catholique de Louvain (UCLouvain) Place Louis Pasteur 1, Box L4.01.09 1348 Louvain-la-Neuve Belgium
| | - Eric M. Gaigneaux
- Institute of Condensed Matter and Nanosciences (IMCN) Université catholique de Louvain (UCLouvain) Place Louis Pasteur 1, Box L4.01.09 1348 Louvain-la-Neuve Belgium
| | - Damien P. Debecker
- Institute of Condensed Matter and Nanosciences (IMCN) Université catholique de Louvain (UCLouvain) Place Louis Pasteur 1, Box L4.01.09 1348 Louvain-la-Neuve Belgium
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29
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Abstract
Nano-zeolite is an innovative class of materials that received recognition for its potential use in water and tertiary wastewater treatment. These applications include ion-exchange/sorption, photo-degradation, and membrane separation. The aim of this work is to summarize and analyze the current knowledge about the utilization of nano-zeolite in these applications, identify the gaps in this field, and highlight the challenges that face the wide scale applications of these materials. Within this context, an introduction to water quality, water and wastewater treatment, utilization of zeolite in contaminant removal from water was addressed and linked to its structure and the advances in zeolite preparation techniques were overviewed. To have insights into the trends of the scientific interest in this field, an in-depth analysis of the variation in annual research distribution over the last decade was performed for each application. This analysis covered the research that addressed the potential use of both zeolites and nano-zeolites. For each application, the characterization, experimental testing schemes, and theoretical analysis methodologies were overviewed. The results of the most advanced research were collected, summarized, and analyzed to allow an easy visualization and comparison of these research results. Finally, the gaps and challenges that face these applications are concluded.
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30
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Nakhaei Pour A, Mohammadi A. Effect of ZSM-5 zeolite porosity on catalytic cracking of n-heptane. NEW J CHEM 2022. [DOI: 10.1039/d2nj03251a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The selectivity of ethylene and propylene in cracking of n-heptane is connected to the micropore to mesopore ratioof ZSM-5 structure.
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Affiliation(s)
- Ali Nakhaei Pour
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
| | - Ali Mohammadi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
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31
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Wu Q, Luan H, Xiao FS. OUP accepted manuscript. Natl Sci Rev 2022; 9:nwac023. [PMID: 36128457 PMCID: PMC9477206 DOI: 10.1093/nsr/nwac023] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/24/2022] [Accepted: 02/18/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Qinming Wu
- Key Lab of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Huimin Luan
- Key Lab of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310007, China
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32
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Li S, van de Poll RCJ, Kosinov N, Hensen EJM. Facile synthesis of nanosized mordenite and beta zeolites with improved catalytic performance: non-surfactant diquaternary ammonium compounds as structure-directing agents. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00696k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Nanosized MOR and BEA zeolites were directly synthesized using simple diquaternary ammonium compounds. The nanosized zeolites show improved catalytic performance in Friedel–Crafts and n-alkane hydroconversion reactions.
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Affiliation(s)
- Shaojie Li
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Rim C. J. van de Poll
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Nikolay Kosinov
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Emiel J. M. Hensen
- Laboratory of Inorganic Materials and Catalysis, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
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33
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Taherizadeh A, Harpf A, Simon A, Choi J, Richter H, Voigt I, Stelter M. Thermochemical study of the structural stability of low-silicate CHA zeolite crystals. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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34
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Shafei EN, Masudi A, Yamani ZH, Muraza O. Acidity modifications of nanozeolite-Y for enhanced selectivity to olefins from the steam catalytic cracking of dodecane. RSC Adv 2022; 12:18274-18281. [PMID: 35800300 PMCID: PMC9210351 DOI: 10.1039/d2ra02184f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/16/2022] [Indexed: 11/21/2022] Open
Abstract
Nanozeolite Y for enhanced selectivity to olefins from dodecane cracking.
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Affiliation(s)
- Emad N. Shafei
- Research and Development Center, Saudi Aramco, Dhahran 31311, Saudi Arabia
| | - Ahmad Masudi
- Interdisciplinary Research Center for Hydrogen and Energy Storage and Chemical Engineering Department King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Zain H. Yamani
- Interdisciplinary Research Center for Hydrogen and Energy Storage and Chemical Engineering Department King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Oki Muraza
- Interdisciplinary Research Center for Hydrogen and Energy Storage and Chemical Engineering Department King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
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35
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Pagis C, Laprune D, Roiban L, Epicier T, Daniel C, Tuel A, Farrusseng D, coasne B. Morphology and topology assessment in hierarchical zeolite materials: adsorption hysteresis, scanning behavior, and domain theory. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00603k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Using a prototypical family of hierarchical zeolites, we show how adsorption-based characterization can be extended to provide morphological and topological assessment beyond state-of-the-art tools. The well-controlled materials under study consist...
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36
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Dai H, Lee C, Liu W, Yang T, Claret J, Zou X, Dauenhauer PJ, Li X, Rimer JD. Enhanced Selectivity and Stability of Finned Ferrierite Catalysts in Butene Isomerization. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202113077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Heng Dai
- Department of Chemical and Biomolecular Engineering University of Houston Houston TX 77204 USA
| | - Choongsze Lee
- Department of Chemical Engineering and Materials Science University of Minnesota Minneapolis MN 55455 USA
| | - Wen Liu
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Dalian 116023 China
| | - Taimin Yang
- Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
| | - Jakob Claret
- Department of Chemical and Biomolecular Engineering University of Houston Houston TX 77204 USA
| | - Xiaodong Zou
- Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
| | - Paul J. Dauenhauer
- Department of Chemical Engineering and Materials Science University of Minnesota Minneapolis MN 55455 USA
| | - Xiujie Li
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Dalian 116023 China
| | - Jeffrey D. Rimer
- Department of Chemical and Biomolecular Engineering University of Houston Houston TX 77204 USA
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37
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Dai H, Lee C, Liu W, Yang T, Claret J, Zou X, Dauenhauer PJ, Li X, Rimer JD. Enhanced Selectivity and Stability of Finned Ferrierite Catalysts in Butene Isomerization. Angew Chem Int Ed Engl 2021; 61:e202113077. [PMID: 34877748 DOI: 10.1002/anie.202113077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Indexed: 11/09/2022]
Abstract
Designing zeolite catalysts with improved mass transport properties is crucial for restrictive networks of either one- or two-dimensional pore topologies. Here, we demonstrate the synthesis of finned ferrierite (FER), a commercial zeolite with two-dimensional pores, where protrusions on crystal surfaces behave as pseudo nanoparticles. Catalytic tests of 1-butene isomerization reveal a 3-fold enhancement of catalyst lifetime and an increase of 12 % selectivity to isobutene for finned samples compared to corresponding seeds. Electron tomography was used to confirm the identical crystallographic registry of fins and seeds. Time-resolved titration of Brønsted acid sites confirmed the improved mass transport properties of finned ferrierite compared to conventional analogues. These findings highlight the advantages of introducing fins through facile and tunable post-synthesis modification to impart material properties that are otherwise unattainable by conventional synthesis methods.
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Affiliation(s)
- Heng Dai
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204, USA
| | - Choongsze Lee
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA
| | - Wen Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Dalian, 116023, China
| | - Taimin Yang
- Department of Materials and Environmental Chemistry, Stockholm University, 10691, Stockholm, Sweden
| | - Jakob Claret
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204, USA
| | - Xiaodong Zou
- Department of Materials and Environmental Chemistry, Stockholm University, 10691, Stockholm, Sweden
| | - Paul J Dauenhauer
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA
| | - Xiujie Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Dalian, 116023, China
| | - Jeffrey D Rimer
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204, USA
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38
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Wang L, Niu P, Xi H, Chen X, Chen C, Ma Z, Jia L, Hou B, Li D. Facile Synthesis of Size-Controlled ZSM-22 Zeolite along the [001] Direction via Two-Step Crystallization. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Le Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Pengyu Niu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
| | - Hongjuan Xi
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
- Dalian National Laboratory for Clean Energy, Dalian 116023, People’s Republic of China
| | - Xiaoyan Chen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
| | - Congbiao Chen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
| | - Zhongyi Ma
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
| | - Litao Jia
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
| | - Bo Hou
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
| | - Debao Li
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, People’s Republic of China
- Dalian National Laboratory for Clean Energy, Dalian 116023, People’s Republic of China
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39
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Salmankhani A, Mousavi Khadem SS, Seidi F, Hamed Mashhadzadeh A, Zarrintaj P, Habibzadeh S, Mohaddespour A, Rabiee N, Lima EC, Shokouhimehr M, Varma RS, Saeb MR. Adsorption onto zeolites: molecular perspective. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01817-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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40
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Efficient Synthesis of Mesoporous Nano ZSM-5 Zeolite Crystals without a Mesoscale Template. CRYSTALS 2021. [DOI: 10.3390/cryst11101247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Hierarchical zeolites attract people’s attention due to their enhanced mass transfer properties in catalytic reactions. The research over obtaining these zeolites in green and efficient methods is of great significance for the current post-treatments and templating strategies tend to be costly for hierarchical zeolite synthesis. In this research, nanosized mesoporous ZSM-5 (SN-ZSM-5) zeolites have been synthesized without the addition of mesoscale templates under highly concentrated conditions. The physicochemical characteristics were systematically investigated by XRD, SEM, N2 sorption, TEM, and NMR. The SEM images showed ZSM-5 crystals with sizes between 50–110 nm were obtained. N2 sorption and high-resolution TEM images gave direct evidence for the hierarchical structure of SN-ZSM-5. The forming mechanism for the hierarchical structure was proposed that the etching effect of the highly alkaline environment for the starting gels played a critical role in the formation of hierarchical structure. Catalytic tests in methanol-to-olefins (MTO) showed the SN-ZSM-5 performed a longer catalyst lifetime and higher propylene selectivity than the conventional ZSM-5 zeolites (C-ZSM-5) obtained from a traditional hydrothermal method. The features of hierarchical structure in the SN-ZSM-5 crystals and the sustainability for synthesis method could show a promising choice for wide applications of these SN-ZSM-5 zeolites in the future.
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41
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A Short Review on the Utilization of Incense Sticks Ash as an Emerging and Overlooked Material for the Synthesis of Zeolites. CRYSTALS 2021. [DOI: 10.3390/cryst11101255] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The traditional hydrothermal synthesis methods are mainly performed under batch operation, which generally takes few days to weeks to yield a zeolite with the desired properties and structure. The zeolites are the backbone of the petrochemical and wastewater industries due to their importance. The commercial methods for zeolite synthesis are expensive, laborious and energy intensive. Among waste products, incense sticks ash is a compound of aluminosilicates and could act as a potential candidate for the synthesis of zeolites for daily needs in these industries. Incense sticks ash is the byproduct of religious places and houses and is rich in Ca, Mg, Al and Si. As a result, incense sticks ash can be proven to be a potential candidate for the formation of calcium-rich zeolites. The formation of zeolites from incense sticks ash is an economical, reliable and eco-friendly method. The application of incense sticks ash for zeolite synthesis can also minimize the problem related to its disposal in the water bodies, which will also minimize the solid waste in countries where it is considered sacred and generated in tons every day.
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42
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Medeiros-Costa IC, Dib E, Nesterenko N, Dath JP, Gilson JP, Mintova S. Silanol defect engineering and healing in zeolites: opportunities to fine-tune their properties and performances. Chem Soc Rev 2021; 50:11156-11179. [PMID: 34605833 DOI: 10.1039/d1cs00395j] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Zeolites have been game-changing materials in oil refining and petrochemistry over the last 60 years and have the potential to play the same role in the emerging processes of the energy and environmental transition. Although zeolites are crystalline inorganic solids, their structures are not perfect and the presence of defect sites - mainly Brønsted acid sites and silanols - influences their thermal and chemical resistance as well as their performances in key areas such as catalysis, gas and liquid separations and ion-exchange. In this paper, we review the type of defects in zeolites and the characterization techniques used for their identification and quantification with the focus on diffraction, spectroscopic and modeling approaches. More specifically, throughout the review, we will focus on silanol (Si-OH) defects located within the micropore structure and/or on the external surface of zeolites. The main approaches applied to engineer and heal defects and their consequences on the properties and applications of zeolites in catalysis and separation processes are highlighted. Finally, the challenges and opportunities of silanol defect engineering in tuning the properties of zeolites to meet the requirements for specific applications are presented.
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Affiliation(s)
- Izabel C Medeiros-Costa
- Laboratoire Catalyse et Spectrochimie (LCS), Normandie University, ENSICAEN, CNRS, 6 boulevard du Marechal Juin, 14050 Caen, France. .,Total Research and Technology Feluy, B-7181 Seneffe, Belgium
| | - Eddy Dib
- Laboratoire Catalyse et Spectrochimie (LCS), Normandie University, ENSICAEN, CNRS, 6 boulevard du Marechal Juin, 14050 Caen, France.
| | | | | | - Jean-Pierre Gilson
- Laboratoire Catalyse et Spectrochimie (LCS), Normandie University, ENSICAEN, CNRS, 6 boulevard du Marechal Juin, 14050 Caen, France.
| | - Svetlana Mintova
- Laboratoire Catalyse et Spectrochimie (LCS), Normandie University, ENSICAEN, CNRS, 6 boulevard du Marechal Juin, 14050 Caen, France.
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43
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Gilani NS, Tilami SE, Azizi SN. One‐step green synthesis of nano‐sodalite zeolite and its performance for the adsorptive removal of crystal violet. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202100258] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Neda Salek Gilani
- Analytical Division, Faculty of Chemistry University of Mazandaran Babolsar Iran
| | | | - Seyed Naser Azizi
- Analytical Division, Faculty of Chemistry University of Mazandaran Babolsar Iran
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44
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Rainer DN, Morris RE. New avenues for mechanochemistry in zeolite science. Dalton Trans 2021; 50:8995-9009. [PMID: 34152333 PMCID: PMC8258784 DOI: 10.1039/d1dt01440d] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/09/2021] [Indexed: 11/28/2022]
Abstract
Zeolites are a class of microporous materials with tremendous value for large scale industrial applications such as catalysis, ion exchange, or gas separation. In addition to naturally ocurring variants, zeolites are made synthetically using hydrothermal synthesis, requiring temperatures beyond 100 °C and long reaction times up to weeks. Furthermore, specific applications may require more sophisticated synthesis conditions, expensive reagents, or post-synthetic modifications. Some of these issues can be tackled by using the reemerged technique of mechanochemistry. In 2014, Majano et al. reviewed the space and outlined several possibilities for the usage of mechanical forces in zeolite chemistry. Since then the field has seen many more publications employing mechanochemical methodology to further and improve the synthesis and properties of zeolite materials. The usage ranges from the activation of raw materials, rendering the synthesis of the widely used catalysts much more economical in terms of duration, atom efficiency, and production of waste, to post-synthetic modification of the materials leading to improved properties for target aplications. We present a short review of the advances that have been reported recently, highlight promising work and important studies, and give a perspective of potential future endeavours.
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Affiliation(s)
- Daniel N Rainer
- School of Chemistry, EaStCHEM, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9ST, UK.
| | - Russell E Morris
- School of Chemistry, EaStCHEM, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9ST, UK. and Department of Physical and Macromolecular Chemistry, Faculty of Sciences, Charles University, Hlavova 8, 128 43 Prague 2, Czech Republic
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45
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Ghojavand S, Clatworthy EB, Vicente A, Dib E, Ruaux V, Debost M, El Fallah J, Mintova S. The role of mixed alkali metal cations on the formation of nanosized CHA zeolite from colloidal precursor suspension. J Colloid Interface Sci 2021; 604:350-357. [PMID: 34273779 DOI: 10.1016/j.jcis.2021.06.176] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/08/2021] [Accepted: 06/30/2021] [Indexed: 11/26/2022]
Abstract
A clear understanding of the crystal formation pathways of zeolites remains one of the most challenging issues to date. Here we investigate the synthesis of nanosized chabazite (CHA) zeolites using organic template-free colloidal suspensions by varying the time of aging at room temperature and the time of hydrothermal treatment at 90 °C. The role of mixed alkali metal cations (Na+, K+, Cs+) on the formation of CHA in the colloidal suspensions was studied. Increasing the aging time of the precursor colloidal suspension from 4 to 17 days resulted in faster crystallization of CHA nanocrystals (3 h instead of 7 h at 90 °C) to afford significantly smaller particles (60 nm vs 600 nm). During the crystallization a considerable change in the content of inorganic cations in the recovered solid material was observed to coincide with the formation of the CHA nanocrystals. The Na+ cations were found to direct the formation of condensed and pre-shaped aluminosilicate particles in the colloidal precursor suspensions, while K+ cations facilitated the formation of secondary building units (SBUs) of the CHA type framework structure such as d6r and cha cages, and the Cs+ cations promoted the long-range crystalline order facilitating the crystallization of stable zeolite nanocrystals.
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Affiliation(s)
- Sajjad Ghojavand
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France
| | - Edwin B Clatworthy
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France
| | - Aurélie Vicente
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France
| | - Eddy Dib
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France
| | - Valérie Ruaux
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France
| | - Maxime Debost
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France; Normandie Université, ENSICAEN, UNICAEN, CNRS, CRISMAT, 14000 Caen, France
| | - Jaafar El Fallah
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France
| | - Svetlana Mintova
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14000 Caen, France.
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46
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Kuvatova RZ, Travkina OS, Kutepov BI. Synthesis of Micro/Mesoporous Zeolite ZSM-5 Using a Natural Aluminosilicate. CATALYSIS IN INDUSTRY 2021. [DOI: 10.1134/s2070050421020070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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47
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Aqueous-Phase Cellulose Hydrolysis over Zeolite HY Nanocrystals Grafted on Anatase Titania Nanofibers. Catal Letters 2021. [DOI: 10.1007/s10562-020-03402-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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48
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49
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Shojaei S, Nouri A, Baharinikoo L, Davoodabadi Farahani M, Shojaei S. Removal of the hazardous dyes through adsorption over nanozeolite-X: Simultaneous model, design and analysis of experiments. Polyhedron 2021. [DOI: 10.1016/j.poly.2020.114995] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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50
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Recent Progress in Synthesis and Application of Nanosized and Hierarchical Mordenite—A Short Review. Catalysts 2021. [DOI: 10.3390/catal11030308] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Zeolites with their unique properties find applications in various fields, including medicine, agronomy, ecology, production of detergents and drying agents, and in a number of industrial processes. Among zeolites, mordenite is particularly widespread because of its high silica/alumina ratio, which allows it to resist exposure to high temperatures and to acidic gases and liquids. Mordenite is commercially available as a natural mineral and as a synthesized material. This zeolite is mostly used in its synthetic form as an acid catalyst in the petrochemical industry for the isomerization of alkanes and aromatics. In this review, we consider the scientific literature on the structure, synthesis, and two main types of modifications that solve the diffusion difficulties during catalytic processes. The first type of modifications is related to a reduction of the size of the mordenite crystals obtained to submicron or nanometric range, whereas the second ones aim to obtain hierarchical mordenite samples by appropriate post-synthetic treatments. Both types of modifications find many other applications besides solving diffusion constraints in catalytic processes. Attempts to fine-tune and control the particle size in the first type of modifications or the pore size in the second ones by adjusting various parameters during the synthesis are described.
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