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Zeolites and Mesoporous Materials: Properties and Applications, 2nd Edition

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Applied Chemistry".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 2905

Special Issue Editor


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Guest Editor
Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Krakow, Poland
Interests: catalyst; porous materials; surface properties; catalyst synthesis; infrared spectroscopy

Special Issue Information

Dear Colleagues,

Zeolites and mesoporous materials are important from the perspective of scientific research. The main applications of zeolites and mesoporous materials span such fields as heterogeneous catalysts in the petrochemical and other industries; biomass upgrading and the production of fine chemicals; water softening and purification; environmental pollution control; gas separation, purification and storage; agriculture and aquaculture; medicine and biotechnology; the deactivation and immobilization of hazardous substances; and nano-photonic and nano-sensor devices. The reasons for the such versatile applications of microporous zeolites and nanoporous materials in many industrial processes are their unique properties, including channel system, uniform pore dimensions, shape selectivity, resistance to coke formation, and chemical, thermal and hydrothermal stability. Zeolites are also a fascinating subject of fundamental research due to their crystalline structure and well-defined structure. Therefore, structural and spectroscopic studies and quantumchemical calculations can be performed for these materials.

Research that makes a relevant contribution to any of these (or related) fields will be welcome in this Special Issue of Molecules. Also welcome are reports on novel methods of synthesis, which could be needed to obtain materials in a specific form or to optimize the particle size, crystallinity or dimensionality of zeolites for some specialized applications. Papers presenting structural and spectroscopic studies as well as quantuchemical calculations are also welcome.

Dr. Łukasz Kuterasiński
Guest Editor

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Keywords

  • crystalline aluminosilicates
  • zeolites
  • mesoporous materials
  • synthesis
  • structure
  • catalysis spectroscopy (IR, NMR etc.)
  • modeling

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Related Special Issue

Published Papers (4 papers)

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Research

20 pages, 4666 KiB  
Article
CuI-Zeolite Catalysis for Biaryl Synthesis via Homocoupling Reactions of Phenols or Aryl Boronic Acids
by Xiaohui Di, Tony Garnier, Arnaud Clerc, Eliott Jung, Christian Lherbet, Valérie Bénéteau, Patrick Pale and Stefan Chassaing
Molecules 2024, 29(23), 5552; https://doi.org/10.3390/molecules29235552 - 25 Nov 2024
Viewed by 294
Abstract
Due to the importance of biaryls as natural products, drugs, agrochemicals, dyes, or organic electronic materials, a green alternative biaryl synthesis has been developed based on easy-to-prepare and cheap copper(I)-exchanged zeolite catalysts. CuI-USY proved to efficiently catalyze the direct homocoupling of [...] Read more.
Due to the importance of biaryls as natural products, drugs, agrochemicals, dyes, or organic electronic materials, a green alternative biaryl synthesis has been developed based on easy-to-prepare and cheap copper(I)-exchanged zeolite catalysts. CuI-USY proved to efficiently catalyze the direct homocoupling of either phenols or aryl boronic acids under simple and practical conditions. The CuI-USY-catalyzed oxidative homocoupling of phenols could conveniently be performed under air either in warm methanol or water with good to high yields. In methanol, a small amount of Cs2CO3 was required, while none was necessary in water. The homocoupling of aryl boronic acids was best performed also in warm methanol, without an additive. These mild conditions showed good functional-group tolerance, leading to a variety of substituted (hetero)biaryls (28 examples). The heterogeneous CuI-USY catalyst could readily be recovered and reused. Interestingly, the homocoupling of vinyl boronic acids was successfully coupled to a Diels–Alder reaction, even in a one-pot process, allowing access to highly functionalized cyclohexenes. Full article
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17 pages, 3562 KiB  
Article
The Impact of Support and Reduction Temperature on the Catalytic Activity of Bimetallic Nickel-Zirconium Catalysts in the Hydrocracking Reaction of Algal Oil from Spirulina Platensis
by Lukasz Szkudlarek, Karolina A. Chalupka-Spiewak, Aleksandra Zimon, Michal Binczarski, Waldemar Maniukiewicz, Pawel Mierczynski and Malgorzata Iwona Szynkowska-Jozwik
Molecules 2024, 29(22), 5380; https://doi.org/10.3390/molecules29225380 - 15 Nov 2024
Viewed by 356
Abstract
The aim of this work was to investigate the hydrocracking of algae oil derived from Spirulina Platensis species catalyzed with bi-component nickel-zirconia catalysts supported onto different carriers (BEA, ZSM-5 and Al2O3) in an autoclave at 320 °C for 2 [...] Read more.
The aim of this work was to investigate the hydrocracking of algae oil derived from Spirulina Platensis species catalyzed with bi-component nickel-zirconia catalysts supported onto different carriers (BEA, ZSM-5 and Al2O3) in an autoclave at 320 °C for 2 h with a hydrogen pressure of 75 bar. All catalysts were prepared using the wet co-impregnation method and were characterized by H2-TPR, XRD, NH3-TPD, BET and SEM-EDS. Before reactions, catalysts were calcined at 600 °C for 4 h in a muffle furnace, then reduced with 5%H2-95%Ar reducing mixture at 500 °C, 600 °C or 700 °C for 2 h. The obtained products were analyzed and identified by HPLC and GC-MS techniques. In addition to the investigation of the support effect, the influence of the reduction temperature of catalytic systems on the catalytic activity and selectivity of the products was also examined. The activity results show that Ni-Zr systems supported on zeolites exhibited high conversion of algal oil. A gradual decrease in conversion was observed when increasing the reduction temperature of the catalyst (from 500 °C to 600 °C and 700 °C) for BEA zeolite catalysts. The reaction products contain hydrocarbons from C7 to C33 (for zeolite-supported catalysts) and C36 (for systems on Al2O3). The identified hydrocarbons mainly belong to the gasoil fraction (C14–C22). In the research, the best catalyst for the algal oil hydrocracking reaction was found to be the 5%Ni-5%Zr/BEA system reduced at 600 °C, which exhibited the second highest algal oil conversion (94.0%). The differences in catalytic activity that occur are due to the differences in the specific surface area among the supports and to differences in the acidity of the catalyst surface depending on the reduction temperature. Full article
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31 pages, 4061 KiB  
Article
A Novel Approach to Waste Recycling and Dye Removal: Lithium-Functionalized Nanoparticle Zeolites
by Diana Guaya, Alexis Debut and Jhuliana Campoverde
Molecules 2024, 29(19), 4643; https://doi.org/10.3390/molecules29194643 - 29 Sep 2024
Viewed by 855
Abstract
A zeolitic sample, named MT-ZLSH, was synthesized using mining tailings (MT) as the precursor material, resulting in a structure comprising: Linde type A (LTA) and sodalite-hydroxysodalite (ZLSH). This naming convention reflects the material’s origin and its structural characteristics. The material was further modified [...] Read more.
A zeolitic sample, named MT-ZLSH, was synthesized using mining tailings (MT) as the precursor material, resulting in a structure comprising: Linde type A (LTA) and sodalite-hydroxysodalite (ZLSH). This naming convention reflects the material’s origin and its structural characteristics. The material was further modified by incorporating lithium, producing MT-ZLSH-Li+. Physicochemical characterizations were performed, and the material was evaluated for its potential to remove methylene blue (MB) from synthetic wastewater through adsorption and photocatalysis. Efficient adsorption was observed under typical wastewater pH conditions, with a maximum adsorption capacity of 23.4 mg·g−1, which fit well with the Langmuir isotherm model. The key mechanisms governing MB adsorption were identified as ion exchange, electrostatic attraction, and hydrogen bonding. The adsorption process was exothermic, with kinetic data fitting both the pseudo-second order and intraparticle diffusion models, achieving 82% removal and a maximum adsorption capacity of 40 mg·g−1 over 12 h. MB adsorption followed a two-step process, initially involving film diffusion, followed by intraparticle diffusion. Additionally, photocatalytic degradation of MB achieved 77% degradation within 180 min. However, a decrease in reusability was observed during a second cycle of MB adsorption and photodegradation, highlighting the need for further optimization to enhance the material’s long-term performance. Full article
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20 pages, 3659 KiB  
Article
Cu-Containing Faujasite-Type Zeolite as an Additive in Eco-Friendly Energetic Materials
by Łukasz Kuterasiński, Marta Sadowska, Paulina Żeliszewska, Bogna Daria Napruszewska, Małgorzata Ruggiero-Mikołajczyk, Mateusz Pytlik and Andrzej Biessikirski
Molecules 2024, 29(13), 3184; https://doi.org/10.3390/molecules29133184 - 4 Jul 2024
Viewed by 858
Abstract
Regarding the current state of the art on the utilization of zeolites in industry, the application of zeolites as an additive to eco-friendly energetic materials indicates the innovative character of the present research. One of the most commonly used energetic materials in the [...] Read more.
Regarding the current state of the art on the utilization of zeolites in industry, the application of zeolites as an additive to eco-friendly energetic materials indicates the innovative character of the present research. One of the most commonly used energetic materials in the mining industry (engineering works) is ANFO (ammonium nitrate fuel oil), due to its easy and cheap production procedure as well as its good energetic properties and vast possibilities for modification. In the present research, we investigated Cu-zeolite with a faujasite structure (Cu-FAU) as a modifier of ANFO-based energetic materials. Analysis of the results obtained from thermodynamic calculations of energetic performance led to the conclusion that the application of Cu-faujasite as an additive to ANFO resulted in a relevant reduction in the total emission of post-decomposition fumes, with simultaneous enhancement of the energetic properties of the energetic material, which corresponded with the changes in the status of the surface and the reduced thermal effect accompanying the ammonium nitrate’s decomposition. From analysis of both the energetic performance and fumes, it may be concluded that our eco-friendly and enhanced energetic material can be used as a low-emission source of energy for the quarrying of raw materials. Full article
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