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Catalysts
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Palladium Catalysis
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Palladium Catalysis

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 1649

Special Issue Editor

Prof. Dr. Silvia Todorova

E-Mail Website
Guest Editor
Institute of Catalysis, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Interests: heterogeneous catalysis; complete oxidation of volatile organic compounds; in situ infrared spectroscopy; characterization of new catalysts by different methods (FTIR, TPR, solid-state NMR, XRD, XPS, and adsorption); catalysis of supported metal on porous materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Palladium is the most versatile and widely used transition metal in different important industrial catalytic reactions. Palladium is the active phase in the catalysts (homogeneous and heterogeneous) for a variety of organic reactions, such as reactions for the removal of organic and inorganic pollutants from gaseous emissions, fuel cells, the hydrogen economy, and the direct synthesis of H2O2. The reactions such as alkylation, isomerization, cyclization, hydrogenation, oxidation, cross-coupling, etc., are catalyzed by palladium-based catalysts. These Pd-supported catalysts are widely accepted as the most active catalysts for catalytic combustion of methane and the low-temperature oxidation of CO. Original research papers and reviews directed at the preparation, characterization, and application of Pd catalysts in different industrial and laboratory processes are welcome. Articles related to quantum chemical and kinetic modeling are also welcome. 

Prof. Dr. Silvia Todorova
Guest Editor

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

  • homogeneous and heterogeneous palladium catalysts
  • Pd catalysts for environmental protection
  • Pd catalysts in organic reactions

Published Papers (1 paper)

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Research

17 pages, 3375 KiB  
Article
Polysaccharide-Stabilized PdAg Nanocatalysts for Hydrogenation of 2-Hexyn-1-ol
by Alima K. Zharmagambetova, Eldar T. Talgatov, Assemgul S. Auyezkhanova, Farida U. Bukharbayeva and Aigul I. Jumekeyeva
Catalysts 2023, 13(11), 1403; https://doi.org/10.3390/catal13111403 - 28 Oct 2023
Viewed by 1199
Abstract
We used a new one-pot green technique to prepare polysaccharide-based Pd and PdAg nanocatalysts. Catalysts were obtained using a sequentially supporting natural polymer (2-hydroxyethyl cellulose (HEC), chitosan (Chit), pectin (Pec)) and metals on zinc oxide. Nanocatalysts based on a polysaccharide were studied using [...] Read more.
We used a new one-pot green technique to prepare polysaccharide-based Pd and PdAg nanocatalysts. Catalysts were obtained using a sequentially supporting natural polymer (2-hydroxyethyl cellulose (HEC), chitosan (Chit), pectin (Pec)) and metals on zinc oxide. Nanocatalysts based on a polysaccharide were studied using various physicochemical methods (IR spectroscopy, transmission electron microscopy, X-ray powder diffraction, etc.). The catalyst characterization results indicated the complete adsorption of polysaccharides and metal ions onto the inorganic support (ZnO). We demonstrated the formation of polysaccharide-stabilized Pd nanoparticles with a size of ~2 nm. Metal nanoparticles were uniformly located on the surface of polysaccharide-modified zinc oxide. The synthesized catalysts were tested using liquid-phase hydrogenation of 2-hexyn-1-ol under mild conditions (0.1 MPa, 40 °C). Close conversion values of 2-hexyn1-ol were obtained for all the developed catalysts. The selectivity for cis-hexen-1-ol of the polysaccharide-based PdAg nanocatalysts varied as follows: PdAg-HEC/ZnO > PdAg-Pec/ZnO > PdAg-Chit/ZnO. A similar correlation was obtained in the presence of monometallic Pd-polysaccharide/ZnO catalysts. We determined the optimum reaction temperature and catalyst loading for PdAg catalysts modified using HEC and Chit (40 °C, 0.05 g). Full article
(This article belongs to the Special Issue Palladium Catalysis)
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