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Catalysts
Special Issues
Editorial Board Members’ Collection Series: Green Catalysts
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Editorial Board Members’ Collection Series: Green Catalysts

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (10 October 2023) | Viewed by 10799

Special Issue Editors

Prof. Dr. Moris S. Eisen

E-Mail Website
Guest Editor
Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 3200008, Israel
Interests: actinide and lanthanide organometallic chemistry; polymerisation catalysis; organo-f-complexes in catalysis; small molecule activation; transition metal organometallic chemistry; metal-ligand multiple bonding; group 4 organometallics in catalysis
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Simona M. Coman

E-Mail Website
Guest Editor
Department of Inorganic Chemistry, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
Interests: heterogeneous catalysis; asymmetric catalysis; organocatalysis; green chemistry; biomass valorization
Special Issues, Collections and Topics in MDPI journals
Dr. Werner Oberhauser

E-Mail Website
Guest Editor
Istituto di Chimica dei Composti Organometallici (CNR-ICCOM), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
Interests: synthesis of nanostructured catalysts; catalytic aerobic alcohol and polyol oxidation reactions; characterization of nanostructured materials by X-ray diffraction; high pressure NMR and IR spectroscopy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce this Collection titled “Editorial Board Members’ Collection Series: Green Catalysts”, which will collect papers invited by the Editorial Board Members.

The aim of this Special Issue is to cover promising, recent and novel research trends in using strategies, methodologies and techniques for the preparation and application of homogeneous and heterogeneous green catalysts both on enzymatic and synthetic nature. We invite submissions of Original Research, Review, Mini Review, Perspective articles on these themes, but not limited to. All papers will be fully open access upon publication after peer review.

Prof. Dr. Moris S. Eisen
Prof. Dr. Simona M. Coman
Dr. Werner Oberhauser
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • green catalysis
  • catalytic biotechnology
  • catalytic bioreactors
  • enzymatic processes (homogeneous and heterogeneous)
  • green chemical catalysts for chemical transformations (homogeneous and heterogeneous)
  • sustainable green catalysts

Published Papers (6 papers)

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Research

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15 pages, 3976 KiB  
Article
A Novel Strategy for the Preparation of Supported Pd as an Efficient Catalyst for the Hydrogenation of Nitrobenzene in Mild Conditions
by Zhi Hu, Yiyi Cheng, Meng Wu, Ying Duan, Yanliang Yang and Tianliang Lu
Catalysts 2023, 13(11), 1438; https://doi.org/10.3390/catal13111438 - 14 Nov 2023
Viewed by 1039
Abstract
An advanced strategy was developed for the synthesis of molecular sieve-supported Pd catalysts. In this method, reductant containing C=C was in-situ prepared and pre-dispersed in the pore of the zeolites. The C=C group in the reductant can reduce the Pd2+ to Pd [...] Read more.
An advanced strategy was developed for the synthesis of molecular sieve-supported Pd catalysts. In this method, reductant containing C=C was in-situ prepared and pre-dispersed in the pore of the zeolites. The C=C group in the reductant can reduce the Pd2+ to Pd0 efficiently, leading to the formation of small and uniform Pd nanoparticles (~2 nm). The physical and chemical properties of the catalyst were characterized by XRD, TEM, XPS (ICP-OES), N2 isothermal adsorption-desorption, and H2-TPR. These catalysts showed high catalytic performance for the hydrogenation of nitrobenzene to aniline. All the TOFs for 1.5 Pd/Y, 1.5 Pd/ZSM-5, and 1.5 Pd/MOR with 1.5 wt% Pd loading are higher than 1000 h−1 at 30 °C and 0.1 MPa H2. Meanwhile, kinetic analysis for 2.0 Pd/Y was carried out, and an apparent activation energy of 28.88 kJ mol−1 was obtained, which is lower than most of the reported values in the literature. Furthermore, these catalysts were stable and recyclable. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: Green Catalysts)
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13 pages, 3452 KiB  
Article
Formic Acid Dehydrogenation over a Monometallic Pd and Bimetallic Pd:Co Catalyst Supported on Activated Carbon
by María Ribota Peláez, E. Ruiz-López, M. I. Domínguez, S. Ivanova and M. A. Centeno
Catalysts 2023, 13(6), 977; https://doi.org/10.3390/catal13060977 - 06 Jun 2023
Cited by 2 | Viewed by 1647
Abstract
In this study, palladium is proposed as an active site for formic acid dehydrogenation reaction. Pd activity was modulated with Co metal with the final aim of finding a synergistic effect that makes possible efficient hydrogen production for a low noble metal content. [...] Read more.
In this study, palladium is proposed as an active site for formic acid dehydrogenation reaction. Pd activity was modulated with Co metal with the final aim of finding a synergistic effect that makes possible efficient hydrogen production for a low noble metal content. For the monometallic catalysts, the metal loadings were optimized, and the increase in the reaction temperature and presence of additives were carefully considered. The present study aimed, to a great extent, to enlighten the possible routes for decreasing noble metal loading in view of the better sustainability of hydrogen production from liquid organic carrier molecules, such as formic acid. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: Green Catalysts)
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16 pages, 5219 KiB  
Article
Cyclic Carbonates through the Photo-Induced Carboxylative Cyclization of Allylic Alcohol with CO2: A Comprehensive Kinetic Study of the Reaction Mechanism by In Situ ATR-IR Spectroscopy
by Joseph Grondin, Christian Aupetit, Jean-Marc Vincent and Thierry Tassaing
Catalysts 2023, 13(6), 939; https://doi.org/10.3390/catal13060939 - 26 May 2023
Viewed by 1156
Abstract
A one-pot multicomponent green process is investigated for the synthesis of perfluoroalkylated cyclic carbonate which merges the photo-promoted Atom Transfer Radical Addition (ATRA) of a perfluoroalkyl iodide (Rf-I) onto allyl alcohols with the Lewis-base-promoted carboxylative cyclization. The evolution of the complex mixture during [...] Read more.
A one-pot multicomponent green process is investigated for the synthesis of perfluoroalkylated cyclic carbonate which merges the photo-promoted Atom Transfer Radical Addition (ATRA) of a perfluoroalkyl iodide (Rf-I) onto allyl alcohols with the Lewis-base-promoted carboxylative cyclization. The evolution of the complex mixture during the reaction was monitored by in situ ATR-IR and Raman spectroscopies that provided insights into the reaction mechanism. The effect on the kinetics and the carbonate yields of key parameters such as the stoichiometry of reagents, the nature of the Lewis base and the solvent, the temperature and the pressure were evaluated. It was found that high yields were obtained using strong Lewis bases that played both the role of activating the allyl alcohol for the generation of the allyl carbonate in the presence of CO2 and promoting the ATRA reaction through the activation of C4F9I by halogen bonding. This protocol was also extended to various unsaturated alcohols. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: Green Catalysts)
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Review

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17 pages, 3641 KiB  
Review
Advances and Prospects of d-Tagatose Production Based on a Biocatalytic Isomerization Pathway
by Peiyu Miao, Qiang Wang, Kexin Ren, Zigang Zhang, Tongtong Xu, Meijuan Xu, Xian Zhang and Zhiming Rao
Catalysts 2023, 13(11), 1437; https://doi.org/10.3390/catal13111437 - 14 Nov 2023
Cited by 1 | Viewed by 1750
Abstract
d-tagatose is a low-calorie alternative to sucrose natural monosaccharide that is nearly as sweet. As a ketohexose, d-tagatose has disease-relieving and health-promoting properties. Due to its scarcity in nature, d-tagatose is mainly produced through chemical and biological methods. Compared to [...] Read more.
d-tagatose is a low-calorie alternative to sucrose natural monosaccharide that is nearly as sweet. As a ketohexose, d-tagatose has disease-relieving and health-promoting properties. Due to its scarcity in nature, d-tagatose is mainly produced through chemical and biological methods. Compared to traditional chemical methods, biological methods use whole cells and isolated enzymes as catalysts under mild reaction conditions with few by-products and no pollution. Nowadays, biological methods have become a very important topic in related fields due to their high efficiency and environmental friendliness. This paper introduces the functions and applications of d-tagatose and systematically reviews its production, especially by l-arabinose isomerase (L-AI), using biological methods. The molecular structures and catalytic mechanisms of L-AIs are also analyzed. In addition, the properties of L-AIs from different microbial sources are summarized. Finally, we overview strategies to improve the efficiency of d-tagatose production by engineering L-AIs and provide prospects for the future bioproduction of d-tagatose. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: Green Catalysts)
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25 pages, 14513 KiB  
Review
The Acquisition of Primary Amines from Alcohols through Reductive Amination over Heterogeneous Catalysts
by Hao Huang, Yuejun Wei, Yuran Cheng, Shuwen Xiao, Mingchih Chen and Zuojun Wei
Catalysts 2023, 13(10), 1350; https://doi.org/10.3390/catal13101350 - 07 Oct 2023
Cited by 2 | Viewed by 1802
Abstract
The synthesis of primary amines via the reductive amination of alcohols involves a hydrogen-borrowing or hydrogen-transfer mechanism, which consists of three main steps: alcohol hydroxyl dehydrogenation, carbonyl imidization, and imine hydrogenation. Heterogeneous catalysts are widely used for this reaction because of their high [...] Read more.
The synthesis of primary amines via the reductive amination of alcohols involves a hydrogen-borrowing or hydrogen-transfer mechanism, which consists of three main steps: alcohol hydroxyl dehydrogenation, carbonyl imidization, and imine hydrogenation. Heterogeneous catalysts are widely used for this reaction because of their high performance and amenability to separation and reuse. However, the efficiency of reductive amination is limited by the dehydrogenation step, which is severely affected by the competitive adsorption of NH3. We hope to improve the efficiency of reductive amination by increasing dehydrogenation efficiency. Therefore, in this overview, we introduce the research progress of alcohol reductive amination reaction catalyzed by heterogeneous metal catalysts, focusing on methods of enhancing dehydrogenation efficiency by screening the metal component and the acidity/alkalinity of the support. Finally, we propose some new strategies for the preparation of catalysts from the perspective of overcoming the competitive adsorption of NH3 and speculate on the design and synthesis of novel catalysts with high performance in the future. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: Green Catalysts)
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20 pages, 2092 KiB  
Review
Pesticides in Foods: Towards Bioremediation Biocatalysts?
by Giorgia Perpetuini, Pilar Anais Nzobouh Fossi, Seyi Kwak, Oscar Namessi, Awanwee Petchkongkaew, Rosanna Tofalo and Yves Waché
Catalysts 2023, 13(7), 1055; https://doi.org/10.3390/catal13071055 - 29 Jun 2023
Cited by 3 | Viewed by 2080
Abstract
The presence of hazardous chemical compounds in foods is a growing concern in almost every country. Although some toxins come from microbial contamination, a major part comes from residues of pesticides used for plant health and food preservation. Despite plans to decrease their [...] Read more.
The presence of hazardous chemical compounds in foods is a growing concern in almost every country. Although some toxins come from microbial contamination, a major part comes from residues of pesticides used for plant health and food preservation. Despite plans to decrease their use, the concentration of hazardous residues encountered in food is growing. The societal solution to this issue is to find alternatives to chemicals and replace the most hazardous by biodegradable, fewer toxic compounds. However, as this greener transition takes some time, any transitory solution to decrease the risks of contamination is welcome. Among them, the stimulation of microbial pesticide degradation in food in a similar way to bioremediation in the environment would be very positive. In this review, we present the problem of food contamination, focusing on organophosphates and organochlorines, and the various possibilities of microbial decontamination. We discuss the possible use of microbial biocatalysts as a biopreservation tool. We conclude that, although this process is very promising, it lacks research taking into account the various degradation products and the elaboration of screening procedures able to choose some rare, efficient biopreservation strains. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: Green Catalysts)
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