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Colomer MT. Special Issue "Design, Synthesis and Applications of Macroporous, Mesoporous, and Microporous Materials". Int J Mol Sci 2024; 25:7127. [PMID: 39000235 PMCID: PMC11241322 DOI: 10.3390/ijms25137127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Accepted: 06/14/2024] [Indexed: 07/16/2024] Open
Abstract
The intention of this Special Issue was to highlight the importance of the design, synthesis, and applications of macro-, meso-, and microporous materials [...].
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Ali MF, He M, Rizwan M, Song Y, Zhou X, Asif Nawaz M, Sun H, Zhou M, Jiang P. Enhancing the selectivity for light olefins through catalytic cracking of n-hexane by phosphorus doping on lanthanum-modified ZSM-5. Front Chem 2024; 12:1368595. [PMID: 38835725 PMCID: PMC11148451 DOI: 10.3389/fchem.2024.1368595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 04/18/2024] [Indexed: 06/06/2024] Open
Abstract
Naphtha, as the primary raw material in the production of light olefins, could well accommodate their increasing demand through the energy-efficient process of catalytic cracking with ZSM-5. In the current work, different amounts of lanthanum and phosphorous were loaded on ZSM-5 using the wet impregnation method to tune the acidic properties of ZSM-5 for selective catalytic cracking of n-hexane to produce light olefins. Various characterization techniques such as X-ray diffraction (XRD), Al nuclear magnetic resonance (NMR), temperature-programmed desorption of NH3 (NH3-TPD), Py-Fourier transform infra-red (Py-FTIR), inductively coupled plasma optical emission spectroscopy (ICP-OES), N2 adsorption-desorption, X-ray photoelectron spectra (XPS), and scanning electron microscopy were adopted to investigate the modified zeolites. It was found that adding La to ZSM-5 (0.25 wt% to 1 wt%) improved the catalytic life and increased the n-hexane conversion (to 99.7%), while the further addition had a negative impact, reducing the conversion rate and deviating the product selectivity towards a substantial, undesired benzene, toluene, and xylene (BTX) fraction (33%). On the other hand, a 64% selectivity for light olefins was achieved on phosphorous-doped ZSM-5 (at a loading amount of 1 wt%) while reducing the BTX fraction (2.3%) and converting 69% of the n-hexane. A dual metal-modified ZSM-5 with optimal loading amount, 1P0.25LaZ5 (phosphorus 1 wt% and La 0.25 wt%), helped boost the light olefin selectivity to 62% in the tuned Lewis acid sites at an n-hexane conversion of about 77% while decreasing the undesired BTX selectivity to 3% by reducing the number of Brønsted sites. Thus, the current study reveals that tuning the acidic sites of ZMS-5 by dual metal augmentation with P.La is an effective way of controlling the amount of undesirable BTX produced at a stable n-hexane conversion rate and substantial olefin selectivity.
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Affiliation(s)
- Muhammad Faryad Ali
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Mu He
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Muhammad Rizwan
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Yueqin Song
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Xiaolong Zhou
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Muhammad Asif Nawaz
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Hui Sun
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Mengke Zhou
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Peng Jiang
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
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Liaquat I, Munir R, Abbasi NA, Sadia B, Muneer A, Younas F, Sardar MF, Zahid M, Noreen S. Exploring zeolite-based composites in adsorption and photocatalysis for toxic wastewater treatment: Preparation, mechanisms, and future perspectives. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123922. [PMID: 38580064 DOI: 10.1016/j.envpol.2024.123922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Water scarcity has become a critical global concern exacerbated by population growth, globalization, and industrial expansion, resulting in the production of wastewater containing a wide array of contaminants. Tackling this challenge necessitates the adoption of innovative materials and technologies for effective wastewater treatment. This review article provides a comprehensive exploration of the preparation, applications, mechanisms, and economic environmental analysis of zeolite-based composites in wastewater treatment. Zeolite, renowned for its versatility and porous nature, is of paramount importance due to its exceptional properties, including high surface area, ion exchange capability, and adsorption capacity. Various synthetic methods for zeolite-based composites are discussed. The utilization of zeolites in wastewater treatment, particularly in adsorption and photocatalysis, is thoroughly investigated. The significance of zeolite in adsorption and its role in the photocatalytic degradation of pollutants are examined, along with its applications in treating volatile organic compounds (VOCs), dye wastewater, oil-field wastewater, and radioactive waste. Mechanisms underlying zeolite-based adsorption and photocatalysis, including physical and chemical adsorption, ion exchange, and surface modification, are elucidated. Additionally, the role of micropores in the adsorption process is explored. Furthermore, the review delves into regeneration and desorption studies of zeolite-based composites, crucial for sustainable wastewater treatment practices. Economic and environmental analyses are conducted to assess the feasibility and sustainability of employing zeolite-based composites in wastewater treatment applications. Future recommendations are provided to guide further research and development in the field of zeolite-based composites, aiming to enhance wastewater treatment efficiency and environmental sustainability. By exploring the latest advancements and insights into zeolite-based nanocomposites, this paper aims to contribute to the development of more efficient and sustainable wastewater treatment strategies. The integration of zeolite-based materials in wastewater treatment processes shows promise for mitigating water pollution and addressing water scarcity challenges, ultimately contributing to environmental preservation and public health protection.
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Affiliation(s)
- Iqra Liaquat
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Ruba Munir
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Naseer Ahmed Abbasi
- Department of Land and Water Management, Faculty of Agricultural Engineering, Sindh Agriculture University Tandojam, 70060, Pakistan
| | - Bushra Sadia
- Centre of Agricultural Biochemistry and Biotechnology (CABB), University of Agriculture, Faisalabad, 38000, Pakistan
| | - Amna Muneer
- Department of Physics, Government College Women University, Faisalabad 38000, Pakistan
| | - Fazila Younas
- School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Muhammad Fahad Sardar
- Qingdao Key Laboratory of Ecological Protection and Restoration, School of Life Science, Shandong University, Qingdao, 266237, China
| | - Muhammad Zahid
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Saima Noreen
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan.
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Wang Y, Yuan X, Liu J, Jia X. Recent Advances in Zeolites-Catalyzed Biomass Conversion to Hydroxymethylfurfural: The Role of Porosity and Acidity. Chempluschem 2024; 89:e202300399. [PMID: 37889167 DOI: 10.1002/cplu.202300399] [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: 07/28/2023] [Revised: 10/27/2023] [Accepted: 10/27/2023] [Indexed: 10/28/2023]
Abstract
Biomass is an attractive raw material for the production of fuel oil and chemical intermediates due to its abundant reserves, low price, easy biodegradability, and renewable use. Hydroxymethylfurfural (5-HMF) is a valuable platform chemically derived from biomass that has gained significant research interest owing to its economic and environmental benefits. In this review, recent advances in biomass catalytic conversion systems for 5-HMF production were examined with a focus on the catalysts selection and feedstocks' impact on the 5-HMF selectivity and yield. Specifically, the potential of zeolite-based catalysts for efficient biomass catalysis was evaluated given their unique pore structure and tunable (Lewis and Brønsted) acidity. The benefits of hierarchical modifications and the interactions between porosity and acidity in zeolites, which are critical factors for the development of green catalytic systems to convert biomass to 5-HMF efficiently, were summarized and assessed. This Review suggests that zeolite-based catalysts hold significant promise in facilitating the sustainable utilization of biomass resources.
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Affiliation(s)
- Yanan Wang
- Department of Chemical Engineering, China University of Petroleum-Beijing at Karamay, Karamay, 83400, P.R. China
| | - Xiaoxian Yuan
- Department of Chemical Engineering, China University of Petroleum-Beijing at Karamay, Karamay, 83400, P.R. China
| | - Jianxin Liu
- Department of Chemical Engineering, China University of Petroleum-Beijing at Karamay, Karamay, 83400, P.R. China
- Department of Mechanical and Transportation Engineering, China University of Petroleum-Beijing, Beijing, 102249, P.R. China
| | - Xicheng Jia
- Department of Chemical Engineering, China University of Petroleum-Beijing at Karamay, Karamay, 83400, P.R. China
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Gomes GJ, Zalazar MF, Padilha JC, Costa MB, Bazzi CL, Arroyo PA. Unveiling the mechanisms of carboxylic acid esterification on acid zeolites for biomass-to-energy: A review of the catalytic process through experimental and computational studies. CHEMOSPHERE 2024; 349:140879. [PMID: 38061565 DOI: 10.1016/j.chemosphere.2023.140879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/19/2023] [Accepted: 12/01/2023] [Indexed: 01/10/2024]
Abstract
In recent years, there has been significant interest from industrial and academic areas in the esterification of carboxylic acids catalyzed by acidic zeolites, as it represents a sustainable and economically viable approach to producing a wide range of high-value-added products. However, there is a lack of comprehensive reviews that address the intricate reaction mechanisms occurring at the catalyst interface at both the experimental and atomistic levels. Therefore, in this review, we provide an overview of the esterification reaction on acidic zeolites based on experimental and theoretical studies. The combination of infrared spectroscopy with atomistic calculations and experimental strategies using modulation excitation spectroscopy techniques combined with phase-sensitive detection is presented as an approach to detecting short-lived intermediates at the interface of zeolitic frameworks under realistic reaction conditions. To achieve this goal, this review has been divided into four sections: The first is a brief introduction highlighting the distinctive features of this review. The second addresses questions about the topology and activity of different zeolitic systems, since these properties are closely correlated in the esterification process. The third section deals with the mechanisms proposed in the literature. The fourth section presents advances in IR techniques and theoretical calculations that can be applied to gain new insights into reaction mechanisms. Finally, this review concludes with a subtle approach, highlighting the main aspects and perspectives of combining experimental and theoretical techniques to elucidate different reaction mechanisms in zeolitic systems.
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Affiliation(s)
- Glaucio José Gomes
- Laboratorio de Estructura Molecular y Propiedades (LEMyP), Instituto de Química Básica y Aplicada Del Nordeste Argentino, (IQUIBA-NEA), Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional Del Nordeste (CONICET-UNNE), Avenida Libertad 5460, 3400, Corrientes, Argentina; Laboratório de Catálise Heterogênea e Biodiesel (LCHBio), Universidade Estadual de Maringá (UEM), Avenida Colombo, 5790, (87020-900), Maringá, Paraná, Brazil; Programa de Pós-Graduação Interdisciplinar Em Energia e Sustentabilidade, Universidade Federal da Integração Latino-Americana (UNILA), Avenida Presidente Tancredo Neves, 3838, (85870-650), Foz Do Iguaçu, Paraná, Brazil.
| | - María Fernanda Zalazar
- Laboratorio de Estructura Molecular y Propiedades (LEMyP), Instituto de Química Básica y Aplicada Del Nordeste Argentino, (IQUIBA-NEA), Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional Del Nordeste (CONICET-UNNE), Avenida Libertad 5460, 3400, Corrientes, Argentina.
| | - Janine Carvalho Padilha
- Programa de Pós-Graduação Interdisciplinar Em Energia e Sustentabilidade, Universidade Federal da Integração Latino-Americana (UNILA), Avenida Presidente Tancredo Neves, 3838, (85870-650), Foz Do Iguaçu, Paraná, Brazil
| | - Michelle Budke Costa
- Universidade Tecnológica Federal Do Paraná (UTFPR), Avenida Brasil 4232, (85884-000), Medianeira, Brazil
| | - Claudio Leones Bazzi
- Universidade Tecnológica Federal Do Paraná (UTFPR), Avenida Brasil 4232, (85884-000), Medianeira, Brazil
| | - Pedro Augusto Arroyo
- Laboratório de Catálise Heterogênea e Biodiesel (LCHBio), Universidade Estadual de Maringá (UEM), Avenida Colombo, 5790, (87020-900), Maringá, Paraná, Brazil
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Koike M, Grosskreuz I, Asakura Y, Miyawaki R, Gies H, Wada H, Shimojima A, Marler B, Kuroda K. Bridging the Gap between Zeolites and Dense Silica Polymorphs: Formation of All-Silica Zeolite with High Framework Density from Natural Layered Silicate Magadiite. Chemistry 2023; 29:e202301942. [PMID: 37486717 DOI: 10.1002/chem.202301942] [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: 07/12/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
A silica zeolite (RWZ-1) with a very high framework density (FD) was synthesized from highly crystalline natural layered silicate magadiite, bridging the gap between the two research areas of zeolites and dense silica polymorphs. Magadiite was topotactically converted into a 3D framework through two-step heat treatment. The resulting structure had a 1D micropore system of channel-like cavities with an FD of 22.1 Si atoms/1000 Å3 . This value is higher than those of all other silica zeolites reported so far, approaching those of silica polymorphs (tridymite (22.6) and α-quartz (26.5)). RWZ-1 is a slight negative thermal expansion material with thermal properties approaching those of dense silica polymorphs. It contributes to the creation of a new field on microporous high-density silica/silicates. Synergistic interactions are expected between the micropores with molecular sieving properties and the dense layer-like building units with different topologies which provide thermal and mechanical stabilities.
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Affiliation(s)
- Masakazu Koike
- Department of Applied Chemistry Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan
- Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku-ku, Tokyo, 169-0051, Japan
| | - Isabel Grosskreuz
- Institute of Geology, Mineralogy and Geophysics, Ruhr-University Bochum, Bochum, 44801, Germany
| | - Yusuke Asakura
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
- Present Address: Graduate School of Engineering, Nagoya University Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Ritsuro Miyawaki
- Department of Geology and Paleontology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, 305-0005, Japan
| | - Hermann Gies
- Institute of Geology, Mineralogy and Geophysics, Ruhr-University Bochum, Bochum, 44801, Germany
| | - Hiroaki Wada
- Department of Applied Chemistry Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan
| | - Atsushi Shimojima
- Department of Applied Chemistry Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan
- Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku-ku, Tokyo, 169-0051, Japan
| | - Bernd Marler
- Institute of Geology, Mineralogy and Geophysics, Ruhr-University Bochum, Bochum, 44801, Germany
| | - Kazuyuki Kuroda
- Department of Applied Chemistry Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan
- Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku-ku, Tokyo, 169-0051, Japan
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Leonova AA, Yashnik SA, Paukshtis EA, Mel’gunov MS. Unusual Acid Sites in LSX Zeolite: Formation Features and Physico-Chemical Properties. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2308. [PMID: 36984188 PMCID: PMC10051662 DOI: 10.3390/ma16062308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/26/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
The advanced approach for the preparation of the NH4 form of highly crystalline LSX zeolite under gentle drying conditions (40 °C, membrane pump dynamic vacuum) is discussed. Decationization of this form at moderate temperatures led to the formation of Brønsted acid sites (BASs), whose concentration and strength were characterized by IR spectroscopy. It was found that a maximum concentration of three BASs per unit cell can be achieved at 200 °C prior to the initiation of zeolite structure degradation. The proton affinity of BASs is unusual, and aspires 1240 kJ/mol, which is significantly higher compared to faujasites with higher moduli. The increase in temperature of the heat treatment (up to 300 °C) resulted in thermal decomposition of BASs and the manifestation of amorphous phase with corresponding Lewis acid sites (LASs) as well as terminal Si-OH groups. Both the destruction of BASs and formation of the LAS-containing amorphous phase are the key reasons for the significant decrease in the adsorption capacity in the micropore region revealed for the sample decationized at 300 °C.
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Zabihpour A, Ahmadpour J, Yaripour F. Strategies to control reversible and irreversible deactivation of ZSM-5 zeolite during the conversion of methanol to propylene (MTP): a review. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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9
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Sub-micron sized hierarchical porous ZSM-5 particles with controllable mesoporous structures by changing the alkalinity in the synthesis using NaOH. J SOLID STATE CHEM 2023. [DOI: 10.1016/j.jssc.2023.123989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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10
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Wawrzyńczak A, Nowak I, Woźniak N, Chudzińska J, Feliczak-Guzik A. Synthesis and Characterization of Hierarchical Zeolites Modified with Polysaccharides and Its Potential Role as a Platform for Drug Delivery. Pharmaceutics 2023; 15:pharmaceutics15020535. [PMID: 36839857 PMCID: PMC9968069 DOI: 10.3390/pharmaceutics15020535] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/24/2023] [Accepted: 02/03/2023] [Indexed: 02/09/2023] Open
Abstract
Hierarchical zeolites are aluminosilicates with a crystal structure, which next to the micropores possess secondary porosity in the range of mesopores and/or small macropores. Due to their ordered structure and additional secondary porosity, they have aroused great interest among scientists in recent years. Therefore, the present work concerns the synthesis and characterization of hierarchical zeolites with secondary mesoporosity, based on commercial zeolites such as MFI (ZSM-5), BEA (β) and FAU (Y), and modified with polysaccharides such as inulin, hyaluronic acid, and heparin. All materials were characterized by various analytical techniques and applied as a platform for delivery of selected drug molecules. On the basis of X-ray diffraction (presence of reflections in the 2θ angle range of 1.5-2.5°) and low-temperature nitrogen sorption isotherms (mixture of isotherms of I and IV type) additional secondary porosity was found in the mesopore range. Additional tests were also conducted to determine the possibility of loading selected molecules with biological activity into the aforementioned materials and then releasing them in the therapeutic process. Molecules with different therapeutic options were selected for testing, namely ibuprofen, curcumin, and ferulic acid with anti-inflammatory, potentially anticancer, antioxidant, and skin discoloration activities, respectively. Preliminary studies have confirmed the possibility of using hierarchical zeolites as potential carriers for bioactive molecules, as the loading percentage of active substances ranged from 39-79% and cumulative release for ibuprofen reached almost 100% after 8 h of testing.
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Affiliation(s)
- Agata Wawrzyńczak
- Correspondence: (A.W.); (A.F.-G.); Tel.: +48-61-829-1749 (A.W.); +48-61-829-1747 (A.F.-G)
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Hierarchical Zeolite Synthesis by Alkaline Treatment: Advantages and Applications. Catalysts 2023. [DOI: 10.3390/catal13020316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Zeolites are of great interest to the scientific and industrial communities due to their interesting catalytic properties, such as high specific area, shape selectivity, and thermal and hydrothermal stability. For this reason, zeolites have been intensively studied and applied in several reactions of great industrial interest. However, the size of zeolite micropores may hinder the diffusion of bulky molecules in the pore system, limiting the use of zeolites in some reactions/applications that use bulky molecules. One way to address this limitation is to generate secondary porosity (in the range of supermicropores, mesopores and/or macropores) in such a way that it connects with the existing micropores, creating a hierarchical pore system. There are different hierarchical approaches; however, most are not economically viable and are complicated/time-consuming. Alkaline treatment has been highlighted in recent years due to its excellent results, simplicity, speed and low cost. In this review, we highlight the importance of alkaline treatment in the generation of secondary porosity and the parameters that influence alkaline treatment in different zeolitic structures. The properties and catalytic performance of hierarchical zeolites prepared by alkaline treatment are extensively discussed. It is expected that this approach will be useful for understanding how alkaline treatment acts on different hierarchical structures and will thus open doors to achieve other hierarchical zeolites by this method.
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A Comprehensive Review on Zeolite Chemistry for Catalytic Conversion of Biomass/Waste into Green Fuels. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238578. [PMID: 36500669 PMCID: PMC9739862 DOI: 10.3390/molecules27238578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 11/24/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
Numerous attempts have been made to produce new materials and technology for renewable energy and environmental improvements in response to global sustainable solutions stemming from fast industrial expansion and population growth. Zeolites are a group of crystalline materials having molecularly ordered micropore arrangements. Over the past few years, progress in zeolites has been observed in transforming biomass and waste into fuels. To ensure effective transition of fossil energy carriers into chemicals and fuels, zeolite catalysts play a key role; however, their function in biomass usage is more obscure. Herein, the effectiveness of zeolites has been discussed in the context of biomass transformation into valuable products. Established zeolites emphasise conversion of lignocellulosic materials into green fuels. Lewis acidic zeolites employ transition of carbohydrates into significant chemical production. Zeolites utilise several procedures, such as catalytic pyrolysis, hydrothermal liquefaction, and hydro-pyrolysis, to convert biomass and lignocelluloses. Zeolites exhibit distinctive features and encounter significant obstacles, such as mesoporosity, pore interconnectivity, and stability of zeolites in the liquid phase. In order to complete these transformations successfully, it is necessary to have a thorough understanding of the chemistry of zeolites. Hence, further examination of the technical difficulties associated with catalytic transformation in zeolites will be required. This review article highlights the reaction pathways for biomass conversion using zeolites, their challenges, and their potential utilisation. Future recommendations for zeolite-based biomass conversion are also presented.
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Serebrennikov DV, Grigor’eva NG, Khazipova AN, Samigullina ZS, Kutepov BI. Granulated Hierarchical Zeolite Y and Dealuminated Samples Based on It in Pentene Oligomerization. KINETICS AND CATALYSIS 2022. [DOI: 10.1134/s0023158422050093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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Liu Y, Zhang Q, Li J, Wang X, Terasaki O, Xu J, Yu J. Protozeolite‐Seeded Synthesis of Single‐Crystalline Hierarchical Zeolites with Facet‐Shaped Mesopores and Their Catalytic Application in Methanol‐to‐Propylene Conversion. Angew Chem Int Ed Engl 2022; 61:e202205716. [DOI: 10.1002/anie.202205716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Yinghao Liu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University Qianjin Street 2699 Changchun 130012 P. R. China
| | - Qiang Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University Qianjin Street 2699 Changchun 130012 P. R. China
| | - Junyan Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University Qianjin Street 2699 Changchun 130012 P. R. China
- Center for High-resolution Electron Microscopy (CħEM) School of Physical Science and Technology ShanghaiTech University 393 Middle Huaxia Road, Pudong Shanghai 201210 P. R. China
| | - Xingxing Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University Qianjin Street 2699 Changchun 130012 P. R. China
- National Centre for Magnetic Resonance in Wuhan State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Innovation Academy for Precision Measurement Science and Technology Chinese Academy of Sciences Wuhan 430071 P. R. China
| | - Osamu Terasaki
- Center for High-resolution Electron Microscopy (CħEM) School of Physical Science and Technology ShanghaiTech University 393 Middle Huaxia Road, Pudong Shanghai 201210 P. R. China
| | - Jun Xu
- National Centre for Magnetic Resonance in Wuhan State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Innovation Academy for Precision Measurement Science and Technology Chinese Academy of Sciences Wuhan 430071 P. R. China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University Qianjin Street 2699 Changchun 130012 P. R. China
- International Center of Future Science Jilin University Qianjin Street 2699 Changchun 130012 P. R. China
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Silva LL, Florindo BR, Catuzo GL, Zapelini IW, Cardoso JVS, Luna FMT, Cavalcante CL, Martins L. Investigation of the secondary porosity in ill-crystallized or desilicated ZSM-5 zeolites and its performance on MTH reaction. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Liu Y, Zhang Q, Li J, Wang X, Terasaki O, Xu J, Yu J. Protozeolite‐Seeded Synthesis of Single‐Crystalline Hierarchical Zeolites with Facet‐Shaped Mesopores and Their Catalytic Application in Methanol‐to‐Propylene Conversion. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205716] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yinghao Liu
- Jilin University College of Chemistry State Key Laboratory of Inorganic Synthesis and Preparative Chemistry Henan Province People'S Republic Of China Yuzhou City Liangbei Town Suwangkou Vi CHINA
| | - Qiang Zhang
- Jilin University College of Chemistry State Key Laboratory of Inorganic Synthesis and Preparative Chemistry CHINA
| | - Junyan Li
- Jilin University College of Chemistry State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University; Centre for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University. CHINA
| | - Xingxing Wang
- Jilin University College of Chemistry State Key Laboratory of Inorganic Synthesis and Preparative Chemistry CHINA
| | - Osamu Terasaki
- ShanghaiTech University Centre for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University CHINA
| | - Jun Xu
- Innovation Academy for Precision Measurement Science and Technology CAS: Chinese Academy of Sciences Innovation Academy for Precision Measurement Science and Technology National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics CHINA
| | - Jihong Yu
- Jilin University College of Chemistry Qianjin Street 2699 130012 Changchun CHINA
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17
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Łach M, Grela A, Pławecka K, Guigou MD, Mikuła J, Komar N, Bajda T, Korniejenko K. Surface Modification of Synthetic Zeolites with Ca and HDTMA Compounds with Determination of Their Phytoavailability and Comparison of CEC and AEC Parameters. MATERIALS 2022; 15:ma15124083. [PMID: 35744143 PMCID: PMC9229494 DOI: 10.3390/ma15124083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/03/2022] [Accepted: 06/06/2022] [Indexed: 11/16/2022]
Abstract
Zeolites obtained from fly ash are characterized by very good anion- and cation-exchange properties and a developed porous structure. This paper presents the results of surface modification studies of synthetic zeolites obtained from calcined coal shale (clay materials). Calcium compounds and hexadecyltrimethylammonium bromide (HDTMA) were used as modifying substances. The characteristics of the raw material and the zeolite obtained as a result of its synthesis are presented. The surface modification method is described. Furthermore, the results of sorption and desorption of NO3, PO4, and SO4 from raw and modified samples are presented. The results of anion- and cation-exchange capacities for other zeolite types were also compared. Modification of the materials with Ca ions and HDTMA surfactant only improved the sorption of sulfates. The 90% desorption of nitrates, phosphates, and sulphates from the zeolite material without modification indicates a good release capacity of these compounds and their potential use as fertilizer additives.
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Affiliation(s)
- Michał Łach
- Faculty of Material Engineering and Physics, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland; (M.Ł.); (K.P.); (J.M.)
| | - Agnieszka Grela
- Faculty of Environmental and Power Engineering, Cracow University of Technology, Warszawska 24, 30-155 Cracow, Poland;
| | - Kinga Pławecka
- Faculty of Material Engineering and Physics, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland; (M.Ł.); (K.P.); (J.M.)
| | - Martin Duarte Guigou
- Facultad de Ingeniería y Tecnologías, Universidad Católica del Uruguay, B de Octubre 2738, Montevideo 11600, Uruguay;
| | - Janusz Mikuła
- Faculty of Material Engineering and Physics, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland; (M.Ł.); (K.P.); (J.M.)
| | - Norbert Komar
- Ekologia Przedsiębiorczość Innowacje Spółka z o.o., Kühna 17, 42-256 Olsztyn, Poland;
| | - Tomasz Bajda
- Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Adama Mickiewicza 30, 30-059 Cracow, Poland;
| | - Kinga Korniejenko
- Faculty of Material Engineering and Physics, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland; (M.Ł.); (K.P.); (J.M.)
- Correspondence: ; Tel.: +48-609-974-988
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18
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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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19
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Inchaurrondo NS, Font J. Clay, Zeolite and Oxide Minerals: Natural Catalytic Materials for the Ozonation of Organic Pollutants. Molecules 2022; 27:2151. [PMID: 35408550 PMCID: PMC9000877 DOI: 10.3390/molecules27072151] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 02/06/2023] Open
Abstract
Ozone has been successfully employed in water treatment due to its ability to oxidize a wide variety of refractory compounds. In order to increase the process efficiency and optimize its economy, the implementation of heterogeneous catalysts has been encouraged. In this context, the use of cheap and widely available natural materials is a promising option that would promote the utilization of ozone in a cost-effective water treatment process. This review describes the use of natural clays, zeolites and oxides as supports or active catalysts in the ozonation process, with emphasis on the structural characteristics and modifications performed in the raw natural materials; the catalytic oxidation mechanism; effect of the operating parameters and degradation efficiency outcomes. According to the information compiled, more research in realistic scenarios is needed (i.e., real wastewater matrix or continuous operation in pilot scale) in order to transfer this technology to the treatment of real wastewater streams.
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Affiliation(s)
- Natalia Soledad Inchaurrondo
- Departamento de Ingeniería Química/Div, Catalizadores y Superficies-INTEMA-CONICET, Universidad Nacional de Mar del Plata, Mar del Plata B7606BWV, Argentina
| | - Josep Font
- Universitat Rovira i Virgili, Departament d’Enginyeria Química, Campus Sescelades, Av. Països Catalans 26, 43007 Tarragona, Spain
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20
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Albalad J, Hernández-López L, Carné-Sánchez A, Maspoch D. Surface chemistry of metal-organic polyhedra. Chem Commun (Camb) 2022; 58:2443-2454. [PMID: 35103260 DOI: 10.1039/d1cc07034g] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal-organic polyhedra (MOPs) are discrete, intrinsically-porous architectures that operate at the molecular regime and, owing to peripheral reactive sites, exhibit rich surface chemistry. Researchers have recently exploited this reactivity through post-synthetic modification (PSM) to generate specialised molecular platforms that may overcome certain limitations of extended porous materials. Indeed, the combination of modular solubility, orthogonal reactive sites, and accessible cavities yields a highly versatile molecular platform for solution to solid-state applications. In this feature article, we discuss representative examples of the PSM chemistry of MOPs, from proof-of-concept studies to practical applications, and highlight future directions for the MOP field.
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Affiliation(s)
- Jorge Albalad
- Centre for Advanced Nanomaterials and Department of Chemistry, The University of Adelaide, North Terrace, Adelaide, SA 5000, Australia.
| | - Laura Hernández-López
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, Barcelona Institute of Science and Technology, Bellaterra 08193, Barcelona, Spain.
| | - Arnau Carné-Sánchez
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, Barcelona Institute of Science and Technology, Bellaterra 08193, Barcelona, Spain.
| | - Daniel Maspoch
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, Barcelona Institute of Science and Technology, Bellaterra 08193, Barcelona, Spain. .,ICREA, 08010 Barcelona, Spain
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21
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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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22
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Zhao R, Li S, Bi L, Fu Q, Tan HZ, Wang M, Cui H. Enhancement of p-Xylene Selectivity in the Reaction between 2,5-Dimethylfuran and Ethanol over Ammonium Fluoride Modified ZSM-5 Zeolite. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01793d] [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 renewable synthesis of p-xylene (PX) via Diels-Alder cycloaddition of biomass derived 2,5-dimethylfuran (2,5-DMF) and ethanol was realized over various catalysts. In the tandem reaction, multiple competitive reactions exist, among...
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23
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Zhang H, Samsudin IB, Jaenicke S, Chuah GK. Zeolites in catalysis: sustainable synthesis and its impact on properties and applications. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01325h] [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
Zeolites are versatile catalysts not only for large scale petrochemical processes but also in applications related to fine chemicals synthesis, biomass conversion and CO2 utilization. Introduction of mesopores and heteroatoms...
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24
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Maroa S, Inambao F. A review of sustainable biodiesel production using biomass derived heterogeneous catalysts. Eng Life Sci 2021; 21:790-824. [PMID: 34899118 PMCID: PMC8638282 DOI: 10.1002/elsc.202100025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/22/2021] [Accepted: 06/24/2021] [Indexed: 12/22/2022] Open
Abstract
The production of biodiesel through chemical production processes of transesterification reaction depends on suitable catalysts to hasten the chemical reactions. Therefore, the initial selection of catalysts is critical although it is also dependent on the quantity of free fatty acids in a given sample of oil. Earlier forms of biodiesel production processes relied on homogeneous catalysts, which have undesirable effects such as toxicity, high flammability, corrosion, by-products such as soap and glycerol, and high wastewater. Heterogeneous catalysts overcome most of these problems. Recent developments involve novel approaches using biomass and bio-waste resource derived heterogeneous catalysts. These catalysts are renewable, non-toxic, reusable, offer high catalytic activity and stability in both acidic and base conditions, and show high tolerance properties to water. This review work critically reviews biomass-based heterogeneous catalysts, especially those utilized in sustainable production of biofuel and biodiesel. This review examines the sustainability of these catalysts in literature in terms of small-scale laboratory and industrial applications in large-scale biodiesel and biofuel production. Furthermore, this work will critically review natural heterogeneous biomass waste and bio-waste catalysts in relation to upcoming nanotechnologies. Finally, this work will review the gaps identified in the literature for heterogeneous catalysts derived from biomass and other biocatalysts with a view to identifying future prospects for heterogeneous catalysts.
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Affiliation(s)
- Semakula Maroa
- College of Agriculture Science and EngineeringDiscipline of Mechanical EngineeringGreen Energy GroupUniversity of KwaZulu‐NatalDurbanSouth Africa
| | - Freddie Inambao
- College of Agriculture Science and EngineeringDiscipline of Mechanical EngineeringGreen Energy GroupUniversity of KwaZulu‐NatalDurbanSouth Africa
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25
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Kadja GTM, Azhari NJ, Mardiana S, Khalil M, Subagjo, Mahyuddin MH. Accelerated, Mesoporogen-Free Synthesis of Hierarchical Nanorod ZSM-48 Assisted by Hydroxyl Radicals. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c03586] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Grandprix Thomryes Marth Kadja
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
- Center for Catalysis and Reaction Engineering, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
| | - Noerma Juli Azhari
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
| | - St Mardiana
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
| | - Munawar Khalil
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia
| | - Subagjo
- Center for Catalysis and Reaction Engineering, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
- Department of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
| | - Muhammad Haris Mahyuddin
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
- Research Group of Advanced Functional Materials, Faculty of Industrial Technology, Institut Teknologi Bandung, Jalan Ganesha no. 10, Bandung 40132, Indonesia
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26
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Taghavi S, Ghedini E, Menegazzo F, Mäki-Arvela P, Peurla M, Zendehdel M, Cruciani G, Di Michele A, Murzin DY, Signoretto M. CuZSM-5@HMS composite as an efficient micro-mesoporous catalyst for conversion of sugars into levulinic acid. Catal Today 2021. [DOI: 10.1016/j.cattod.2021.11.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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27
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Bing L, Xu C, Li F, Li Q, Wang F, Han D, Wang G. Preparation of Hierarchical SSZ-13 with Core-Shell Structure by Post-synthesis Fluoride Etching. CHEM LETT 2021. [DOI: 10.1246/cl.210198] [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)
- Liancheng Bing
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042, P. R. China
| | - Changyou Xu
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042, P. R. China
| | - Fangni Li
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042, P. R. China
| | - Qiang Li
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042, P. R. China
| | - Fang Wang
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042, P. R. China
| | - Dezhi Han
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042, P. R. China
| | - Guangjian Wang
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042, P. R. China
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28
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Zhang H, Jiang Z, Xia Q, Zhou D. Progress and perspective of enzyme immobilization on zeolite crystal materials. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108033] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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29
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Mousavi H, Towfighi Darian J, Mokhtarani B. Enhanced nitrogen adsorption capacity on Ca2+ ion-exchanged hierarchical X zeolite. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118442] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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30
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Ameri A, Taghizadeh T, Talebian-Kiakalaieh A, Forootanfar H, Mojtabavi S, Jahandar H, Tarighi S, Faramarzi MA. Bio-removal of phenol by the immobilized laccase on the fabricated parent and hierarchical NaY and ZSM-5 zeolites. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.03.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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31
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Hemmer K, Cokoja M, Fischer RA. Exploitation of Intrinsic Confinement Effects of MOFs in Catalysis. ChemCatChem 2021. [DOI: 10.1002/cctc.202001606] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Karina Hemmer
- Chair of Inorganic and Metal-Organic Chemistry Catalysis Research Center and Department of Chemistry Technical University of Munich Ernst-Otto-Fischer-Straße 1 D-85748 Garching Germany
| | - Mirza Cokoja
- Chair of Inorganic and Metal-Organic Chemistry Catalysis Research Center and Department of Chemistry Technical University of Munich Ernst-Otto-Fischer-Straße 1 D-85748 Garching Germany
| | - Roland A. Fischer
- Chair of Inorganic and Metal-Organic Chemistry Catalysis Research Center and Department of Chemistry Technical University of Munich Ernst-Otto-Fischer-Straße 1 D-85748 Garching Germany
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32
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Lima RB, Neto MM, Oliveira DS, Santos AG, Souza LD, Caldeira VP. Obtainment of hierarchical ZSM-5 zeolites by alkaline treatment for the polyethylene catalytic cracking. ADV POWDER TECHNOL 2021. [DOI: 10.1016/j.apt.2020.12.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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33
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Synthesis methods and recent advances in hierarchical zeolites: a brief review. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2021. [DOI: 10.1007/s13738-021-02183-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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34
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Wang J, Liu C, Zhu P, Liu H, Zhang X, Zhang Y, Liu J, Zhang L, Zhang W. Synthesis of hierarchical ZSM-5 nano-aggregated microspheres for application in enhancing the stability of n-hexane aromatization. NEW J CHEM 2021. [DOI: 10.1039/d1nj03077a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Hierarchical ZSM-5 nano-aggregated microspheres were directly synthesized without any mesoporous templates and exhibited improved catalytic stability in n-hexane aromatization.
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Affiliation(s)
- Jinshan Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Cun Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Peng Zhu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Haiou Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Xiongfu Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Yuan Zhang
- Shaanxi Yanchang Petroleum (Group) Co., Ltd. Dalian Institute of Chemical Physics Xi’an Clean Energy (Chemical) Research Institute, Xi’an 710065, China
| | - Junxia Liu
- Shaanxi Yanchang Petroleum (Group) Co., Ltd. Dalian Institute of Chemical Physics Xi’an Clean Energy (Chemical) Research Institute, Xi’an 710065, China
| | - Liang Zhang
- Shaanxi Yanchang Petroleum (Group) Co., Ltd. Dalian Institute of Chemical Physics Xi’an Clean Energy (Chemical) Research Institute, Xi’an 710065, China
| | - Wei Zhang
- Shaanxi Yanchang Petroleum (Group) Co., Ltd. Dalian Institute of Chemical Physics Xi’an Clean Energy (Chemical) Research Institute, Xi’an 710065, China
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35
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Medina-Ramírez A, Trejo-García AJ, Ruiz-Camacho B, López-Badillo CM, Minchaca-Mojica JI, Martínez-Gómez C. Simple synthesis of hierarchically structured X zeolite from geothermal nanosilica and its evaluation in the dehydration of aqueous solutions of ethanol. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-020-01302-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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36
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Kerstens D, Smeyers B, Van Waeyenberg J, Zhang Q, Yu J, Sels BF. State of the Art and Perspectives of Hierarchical Zeolites: Practical Overview of Synthesis Methods and Use in Catalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2004690. [PMID: 32969083 DOI: 10.1002/adma.202004690] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/18/2020] [Indexed: 06/11/2023]
Abstract
Microporous zeolites have proven to be of great importance in many chemical processes. Yet, they often suffer from diffusion limitations causing inefficient use of the available catalytically active sites. To address this problem, hierarchical zeolites have been developed, which extensively improve the catalytic performance. There is a multitude of recent literature describing synthesis of and catalysis with these hierarchical zeolites. This review attempts to organize and overview this literature (of the last 5 years), with emphasis on the most important advances with regard to synthesis and application of such zeolites. Special attention is paid to the most common and important 10- and 12-membered ring zeolites (MTT, TON, FER, MFI, MOR, FAU, and *BEA). In contrast to previous reviews, the research per zeolite topology is brought together and discussed here. This allows the reader to instantly find the best synthesis method in accordance to the desired zeolite properties. A summarizing graph is made available to enable the reader to select suitable synthesis procedures based on zeolite acidity and mesoporosity, the two most important tunable properties.
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Affiliation(s)
- Dorien Kerstens
- Centre for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan, 200f, 3001, Leuven, Belgium
| | - Brent Smeyers
- Centre for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan, 200f, 3001, Leuven, Belgium
| | - Jonathan Van Waeyenberg
- Centre for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan, 200f, 3001, Leuven, Belgium
| | - Qiang Zhang
- State Key Laboratory of Inorganic Synthesis and Preperative Chemistry College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preperative Chemistry College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Bert F Sels
- Centre for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan, 200f, 3001, Leuven, Belgium
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37
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Shelyapina MG, Yocupicio-Gaxiola RI, Zhelezniak IV, Chislov MV, Antúnez-García J, Murrieta-Rico FN, Galván DH, Petranovskii V, Fuentes-Moyado S. Local Structures of Two-Dimensional Zeolites-Mordenite and ZSM-5-Probed by Multinuclear NMR. Molecules 2020; 25:E4678. [PMID: 33066351 PMCID: PMC7587376 DOI: 10.3390/molecules25204678] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 10/10/2020] [Accepted: 10/13/2020] [Indexed: 11/19/2022] Open
Abstract
Mesostructured pillared zeolite materials in the form of lamellar phases with a crystal structure of mordenite (MOR) and ZSM-5 (MFI) were grown using CTAB as an agent that creates mesopores, in a one-pot synthesis; then into the CTAB layers separating the 2D zeolite plates were introduced by diffusion the TEOS molecules which were further hydrolyzed, and finally the material was annealed to remove the organic phase, leaving the 2D zeolite plates separated by pillars of silicon dioxide. To monitor the successive structural changes and the state of the atoms of the zeolite framework and organic compounds at all the steps of the synthesis of pillared MOR and MFI zeolites, the nuclear magnetic resonance method (NMR) with magic angle spinning (MAS) was applied. The 27Al and 29Si MAS NMR spectra confirm the regularity of the zeolite frameworks of the as synthetized materials. Analysis of the 1H and 13C MAS NMR spectra and an experiment with variable contact time evidence a strong interaction between the charged "heads" -[N(CH3)3]+ of CTAB and the zeolite framework at the place of [AlO4]- location. According to 27Al and 29Si MAS NMR the evacuation of organic cations leads to a partial but not critical collapse of the local zeolite structure.
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Affiliation(s)
- Marina G. Shelyapina
- Department of Nuclear Physics Research Methods, Saint-Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia; (I.V.Z.); (M.V.C.)
| | - Rosario I. Yocupicio-Gaxiola
- Center for Scientific Research and Higher Education at Ensenada (CICESE), Ensenada, Baja California 22860, Mexico;
| | - Iuliia V. Zhelezniak
- Department of Nuclear Physics Research Methods, Saint-Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia; (I.V.Z.); (M.V.C.)
| | - Mikhail V. Chislov
- Department of Nuclear Physics Research Methods, Saint-Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia; (I.V.Z.); (M.V.C.)
| | - Joel Antúnez-García
- Center for Nanoscience and Nanotechnology, National Autonomous University of Mexico (CNyN, UNAM), Ensenada, Baja California 22860, Mexico; (J.A.-G.); (F.N.M.-R.); (D.H.G.); (V.P.); (S.F.-M.)
| | - Fabian N. Murrieta-Rico
- Center for Nanoscience and Nanotechnology, National Autonomous University of Mexico (CNyN, UNAM), Ensenada, Baja California 22860, Mexico; (J.A.-G.); (F.N.M.-R.); (D.H.G.); (V.P.); (S.F.-M.)
| | - Donald Homero Galván
- Center for Nanoscience and Nanotechnology, National Autonomous University of Mexico (CNyN, UNAM), Ensenada, Baja California 22860, Mexico; (J.A.-G.); (F.N.M.-R.); (D.H.G.); (V.P.); (S.F.-M.)
| | - Vitalii Petranovskii
- Center for Nanoscience and Nanotechnology, National Autonomous University of Mexico (CNyN, UNAM), Ensenada, Baja California 22860, Mexico; (J.A.-G.); (F.N.M.-R.); (D.H.G.); (V.P.); (S.F.-M.)
| | - Sergio Fuentes-Moyado
- Center for Nanoscience and Nanotechnology, National Autonomous University of Mexico (CNyN, UNAM), Ensenada, Baja California 22860, Mexico; (J.A.-G.); (F.N.M.-R.); (D.H.G.); (V.P.); (S.F.-M.)
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Enhanced Removal of Soluble and Insoluble Dyes over Hierarchical Zeolites: Effect of Synthesis Condition. INORGANICS 2020. [DOI: 10.3390/inorganics8090052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A hierarchical zeolite ZSM-5 with micro and meso-pore was prepared by optimising the most affecting parameter in sequence of desilication and dealumination. The physicochemical properties of zeolite were characterised with XRD, nitrogen adsorption–desorption, FTIR and SEM. The potential of this zeolite for decolorisation of CR, RY, MB, RhB, DB-1 and DB-14 was evaluated with adsorption isotherm, thermodynamics, kinetics, and influencing parameter for adsorption. The unique modification of ZSM-5 resulted in lower crystallinity, easier porosity control, rich terminal silanol and unbridged silanol groups which assisted in higher adsorption capacity. The adsorption capacity of the optimum ZSM-5 was 323, 435, 589, 625, 61 and 244 mg/g for CR, RY, MB, RhB, DB-1 and DB-14, respectively. The dye adsorption progressed through pseudo-first-order kinetic and close to the Langmuir model. The adsorption mechanism is proposed mainly through interaction between deprotonated silanol site and the electron-rich dye site.
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Combining Soft- and Hard-Templating Approaches in MWW-Type Zeolites. Molecules 2020; 25:molecules25153335. [PMID: 32717782 PMCID: PMC7435698 DOI: 10.3390/molecules25153335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/07/2020] [Accepted: 07/15/2020] [Indexed: 11/16/2022] Open
Abstract
A combination of hard-templating (HT) and soft-templating (ST) approaches was studied to obtain MWW-type materials with intermediate physicochemical properties. The HT methodology involved the introduction of carbon particles as hard templates during gel synthesis to obtain a layered zeolitic precursor (LZP) with particles possessing a microspherical morphology. The LZP obtained was treated with surfactants as soft templates to expand the layers of the LZP, followed by a pillaring procedure. The materials were characterized by X-ray diffraction, transmission and scanning electron microscopy, elemental analysis and N2 adsorption. The results demonstrate that the obtained material possesses intermediate properties from both approaches, with interparticle mesopores/macropores and pore sizes between 18 and 46 Å. However, the ST procedure causes a partial disruption of some microspheres, forming small crystallite aggregates, and results in a decrease in the number of interparticle mesopores/macropores previously formed by the HT method. All synthesized solids presented catalytic activity, which was evaluated by the cracking of low-density polyethylene (LDPE) as a probe reaction.
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Duplouy L, Moissette A, Hureau M, De Waele V, Daou TJ, Batonneau-Gener I. Effect of zeolite morphology on charge separated states: ZSM-5-type nanocrystals, nanosheets and nanosponges. Phys Chem Chem Phys 2020; 22:12015-12027. [PMID: 32421132 DOI: 10.1039/d0cp01701a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In the present work, we investigate the electron transfer occurring in the porous void of three MFI-type zeolite (ZSM-5) nanomaterials (nanocrystals, nanosheets and nanosponges) after adsorption and photoexcitation of t-stilbene (t-St). ZSM-5 nanosheets are constituted of lamellar stacking of several nanosheets (20-40 nm) where each nanosheet has a thickness of 2 nm. Nanosponges are composed of ZSM-5 nanocrystals (2-3 nm) separated by mesoporous holes of 5.8 nm facilitating the synthesis of hierachical materials. While the nanosheets show microporosity similar to that observed for the ZSM-5 nanocrystals, the absorption isotherms of the nanosponges show the existence of secondary micropores. After photoirradiation of t-St, UV-vis absorption spectroscopy shows the formation of charge separated states (radical cation and charge transfer complex) in the nanocrystals and in the nanosheets whereas no ionized species is detected in the nanosponges. The radical cation (RC) is stabilized in the nanosheets while it evolves very rapidly towards a Charge Transfer Complex (CTC) in the nanocrocrystals. The particular morphology of the nanosheets and nanosponges is put forward to explain this result since all host materials are of the MFI-type. To investigate ultra-short phenomena in the three nanomaterials, the UV-vis transient spectra were recorded between 2 and 450 μs after photoexcitation by nanosecond laser pulses. In the nanocrystals and nanosheets only the RC is detected whereas CTC formation is not observed. Photoexcitation of t-St in the nanosponges also leads to the formation of a RC but it recombines completely within 70 μs. This suggests the preferential location of t-St in the secondary micropores with pores larger than the micropores of the MFI-type framework and possibly in the mesopores of the nanosponges.
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Affiliation(s)
- Lucie Duplouy
- LASIRE, Bât. C5, Faculté des Sciences et Technologies, Université de Lille, 59655 Villeneuve d'Ascq Cedex, France.
| | - Alain Moissette
- LASIRE, Bât. C5, Faculté des Sciences et Technologies, Université de Lille, 59655 Villeneuve d'Ascq Cedex, France.
| | - Matthieu Hureau
- LASIRE, Bât. C5, Faculté des Sciences et Technologies, Université de Lille, 59655 Villeneuve d'Ascq Cedex, France.
| | - Vincent De Waele
- LASIRE, Bât. C5, Faculté des Sciences et Technologies, Université de Lille, 59655 Villeneuve d'Ascq Cedex, France.
| | - T Jean Daou
- Université de Haute Alsace (UHA), CNRS, IS2M (Institut de Science des Matériaux de Mulhouse), UMR 7361, F-68100 Mulhouse, France and Université de Strasbourg, France
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41
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Metal encapsulation in zeolite particles: A rational design of zeolite-supported catalyst with maximum site activity. ADV POWDER TECHNOL 2020. [DOI: 10.1016/j.apt.2020.01.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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42
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Khamkeaw A, Phisalaphong M, Jongsomjit B, Lin KYA, Yip ACK. Synthesis of mesoporous MFI zeolite via bacterial cellulose-derived carbon templating for fast adsorption of formaldehyde. JOURNAL OF HAZARDOUS MATERIALS 2020; 384:121161. [PMID: 31629599 DOI: 10.1016/j.jhazmat.2019.121161] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/03/2019] [Accepted: 09/04/2019] [Indexed: 06/10/2023]
Abstract
Mesoporous ZSM-5 (MFI) zeolite was synthesized by using bacterial cellulose-derived activated carbon (BC-AC500) with a high surface area as a hard template. Different ratios of BC-AC500 and zeolite precursor gel were prepared in a Teflon-lined autoclave and crystallized at 180 °C for 48 h in a rotating oven. The physicochemical properties of the samples were characterized by x-ray diffraction (XRD), scanning/transmission electron microscopies (SEM/TEM), and N2 physisorption techniques. It was found that the mesoporous ZSM-5 zeolites have a specific surface area of 184-190 m2/g, a high mesopore volume of 0.120-0.956 ml/g and a wide pore size distribution ranging from 5 to 100 nm with a maximum at approximately 25.3 nm. The successfully made mesoporous ZSM-5 was tested as an adsorbent for formaldehyde adsorption in batch mode. The mesoporous ZSM-5 zeolite made from bacterial cellulose-derived activated carbon showed significantly faster adsorption kinetics than conventional ZSM-5 (0.0081 vs. 0.0007 g/mg min, respectively). The prepared material has an adsorption capacity of 98 mg/g and is highly reusable. The reported mesoporous ZSM-5 zeolites can be deployed for the rapid removal of toxic organics from wastewater when urgently needed, e.g., under breakthrough conditions.
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Affiliation(s)
- Arnon Khamkeaw
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
| | - Muenduen Phisalaphong
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
| | - Bunjerd Jongsomjit
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
| | - Kun-Yi Andrew Lin
- Department of Environmental Engineering, National Chung Hsing University, Taichung, Taiwan
| | - Alex C K Yip
- Department of Chemical and Process Engineering, The University of Canterbury, Christchurch, New Zealand.
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43
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Antunes MM, Fernandes A, Falcão D, Pillinger M, Ribeiro F, Valente AA. Optimized preparation and regeneration of MFI type base catalysts for d-glucose isomerization in water. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00188k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Eco-friendly solid bases possessing hierarchical MFI structure ford-glucose isomerization tod-fructose. Optimizing catalyst synthesis and composition for enhanced stability.
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Affiliation(s)
- Margarida M. Antunes
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- Campus Universitário de Santiago
- 3810-193 Aveiro
| | - Auguste Fernandes
- Centro de Química Estrutural
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - Diogo Falcão
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- Campus Universitário de Santiago
- 3810-193 Aveiro
| | - Martyn Pillinger
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- Campus Universitário de Santiago
- 3810-193 Aveiro
| | - Filipa Ribeiro
- Centro de Química Estrutural
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - Anabela A. Valente
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- Campus Universitário de Santiago
- 3810-193 Aveiro
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Liu L, Chen Z, Qu H, Yuan J, Yu M, Xie H, Zhong Q. Dual-template assembled hierarchical Cu-SSZ-13: morphology evolution, crystal growth and stable high-temperature selective catalytic reduction performance. CrystEngComm 2020. [DOI: 10.1039/d0ce01144d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Assembled hierarchical Cu-SSZ-13 zeolites maintained excellent high-temperature activity due to mesoporous inhibition of ammonia oxidation.
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Affiliation(s)
- Li Liu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Zhiqiang Chen
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Hongxia Qu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Jiaxi Yuan
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Mahong Yu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Huifang Xie
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Qin Zhong
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- China
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45
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Preparation of hydrophobic MFI zeolites containing hierarchical micro-mesopores using seeds functionalized with octyltriethoxysilane. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124109] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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46
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Busca G, Gervasini A. Solid acids, surface acidity and heterogeneous acid catalysis. ADVANCES IN CATALYSIS 2020. [DOI: 10.1016/bs.acat.2020.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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47
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Al-Ani A, Haslam JJC, Mordvinova NE, Lebedev OI, Vicente A, Fernandez C, Zholobenko V. Synthesis of nanostructured catalysts by surfactant-templating of large-pore zeolites. NANOSCALE ADVANCES 2019; 1:2029-2039. [PMID: 36134217 PMCID: PMC9416908 DOI: 10.1039/c9na00004f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 03/28/2019] [Accepted: 02/27/2019] [Indexed: 06/11/2023]
Abstract
Zeolites and related crystalline molecular sieves are utilised in a wide range of reactions and processes due to their regular microporous structure, strong acidity, shape selectivity and ion-exchange properties. However, their practical applications can be limited by the small size of the channels and cavities of the microporous structures, and therefore, a great deal of effort has been devoted to enhancing the transport of large-sized molecules in the host pores. Several commercially available zeolites, including faujasite (FAU), mordenite (MOR), beta (BEA), ZSM-5 (MFI) and zeolite L (LTL), have been exposed to a variety of acid and base treatments in the presence of a surfactant (cetyltrimethyl ammonium bromide, CTAB), which led to the controlled introduction of intracrystalline mesoporosity. The detailed characterisation of the obtained mesostructured zeolites has been carried out using FTIR spectroscopy, high resolution TEM, XRD, N2 adsorption, 29Si and 27Al MAS NMR. This work demonstrates a successful application of the supramolecular templating approach for generating tuneable mesoporosity in a range of zeolites possessing 12-membered ring channels, which has been applied to zeolite L for the first time, thus producing hierarchical meso-microporous materials with improved accessibility of active sites and enhanced catalytic performance in dealkylation of tri-isopropylbenzene.
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Affiliation(s)
- Aqeel Al-Ani
- School of Chemical and Physical Sciences, Keele University Keele Staffordshire ST5 5BG UK
- Oil Marketing Company (SOMO) Baghdad Iraq
| | - Josiah J C Haslam
- School of Chemical and Physical Sciences, Keele University Keele Staffordshire ST5 5BG UK
| | - Natalie E Mordvinova
- Laboratoire CRISMAT, ENSICAEN, UMR CNRS 6508 6 Boulevard du Maréchal Juin 14050 Caen Cedex 04 France
| | - Oleg I Lebedev
- Laboratoire CRISMAT, ENSICAEN, UMR CNRS 6508 6 Boulevard du Maréchal Juin 14050 Caen Cedex 04 France
| | - Aurélie Vicente
- Normandie Univ, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Christian Fernandez
- Normandie Univ, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Vladimir Zholobenko
- School of Chemical and Physical Sciences, Keele University Keele Staffordshire ST5 5BG UK
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