Advances in Synthesis and Applications of Supported Nanocatalysts

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Catalysis Enhanced Processes".

Deadline for manuscript submissions: 15 September 2024 | Viewed by 552

Special Issue Editors


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Guest Editor
Faculty of Chemical Engineering Department, Universidad Michoacana de San Nicolás de Hidalgo, Morelia 58000, Mexico
Interests: chemical engineering; materials science; environmental science

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Hydrocarbons Refining, Mexican Petroleum Institute, Lázaro Cárdenas 152, San Bartolo Atepehuacan, Gustavo A. Madero, Mexico City 07730, Mexico
Interests: heterogeneous catalysis; clean fuels production; biomass transformation to fuels and chemicals; hydrogen production; oil refining catalysts
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Guest Editor
Department of Inorganic Chemistry, Crystallography and Mineralogy, University of Malaga, 29071 Malaga, Spain
Interests: nanomaterials; catalysis; environment; clean energy
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Special Issue Information

Dear Colleagues,

Around 90% of industrial processes utilize different types of various catalysts. More than ever, those materials are required to promote more efficient applications that could satisfy the production of goods and manufactured items to cover societal needs worldwide. This must be achieved by emphasizing satisfaction of necessities accompanied by using environmentally friendly processes.

This research topic is focused on showcasing scientific contributions to the development of improved materials aimed at participating in the green revolution that, fortunately, is gaining supporters all over the world. Nanocatalysts could potentially change the paradigms accepted in catalysis and surface science so far. By exhibiting different properties to those found in larger particle agglomerates (related to confining effects, for instance), they could significantly modify their surface properties, becoming better materials of improved characteristics for various applications. In this sense, it is well-known that atoms of decreased coordination number, as those found in nanoparticles edges or corners, constitute preferred sites to adsorb various molecules. Depending on the application after adsorption, chemical reactions among adsorbed molecules (of distinctive properties different from those of non-adsorbed free ones) could take place under more favorable operating conditions (temperature and pressure). In particular, that could be the case with structure-sensitive catalyzed reactions of commercial interest, and new reaction routes to desired products could be found and promoted over nanomaterials. Therefore, this Research Topic focuses on exciting reports of new investigations and reviews that could shed light on the physicochemical properties of nanomaterials and how they could positively contribute to improving solutions to societal demands and diminishing the environmental footprint of human development.

We especially welcome high-quality papers aimed at contributing to the aforementioned goals alongside the submission of original research, review, and perspective articles on themes including, but not limited to, the following:

  • Novel methods for nanocatalysts synthesis;
  • New approaches (such as novel environmentally friendly reagents and more sustainable preparations methodologies) to traditional nanocatalysts synthesis;
  • Improved textural, structural, and surface physicochemical characterization of nanocatalysts;
  • Testing (adsorption measurements and kinetics, catalytic activity, selectivity, and stability) of novel nanocatalysts.

Prof. Dr. Rafael Huirache-Acuña
Dr. José Escobar Aguilar
Prof. Dr. Antonia Infantes-Molina
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. Processes 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 2400 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

  • nanocatalysts
  • synthesis
  • novel methods
  • environmentally

Published Papers (1 paper)

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Research

16 pages, 5160 KiB  
Article
Functional Improvement of NiOx/CeO2 Model Catalyst Active in Dry Methane Reforming via Optimization of Nickel Content
by Piotr Legutko, Mateusz Marzec, Marcin Kozieł, Krystian Sokołowski, Marek Michalik and Andrzej Adamski
Processes 2024, 12(5), 851; https://doi.org/10.3390/pr12050851 - 23 Apr 2024
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Abstract
The valorization of greenhouse gases, especially when focused on carbon dioxide, currently belongs to the main challenges of pro-environmental chemical processes. One of the important technologies in this field is dry methane reforming (DMR), leading to the so-called synthesis gas (CO + H [...] Read more.
The valorization of greenhouse gases, especially when focused on carbon dioxide, currently belongs to the main challenges of pro-environmental chemical processes. One of the important technologies in this field is dry methane reforming (DMR), leading to the so-called synthesis gas (CO + H2). However, to be efficient and economically viable, an active and stable catalyst is required. Ni-based systems can be recommended in this regard. This research aimed to investigate how nickel content can influence the activity of model NiOx/CeO2 catalysts in DMR. A series of NiOx/CeO2 samples of various nickel loadings (0–10 wt.%) were prepared through dry impregnation. The obtained samples were characterized through XRD, RS, N2-BET, DRIFT, SEM, UV/Vis-DR, and XPS. Nonlinear changes in surface properties of the investigated samples with increasing nickel concentration were found. The observed changes are mirrored both in the determined nickel speciation and in the corresponding catalytic activity. The highest activity was found for the catalyst containing 3 wt.%. of nickel. Full article
(This article belongs to the Special Issue Advances in Synthesis and Applications of Supported Nanocatalysts)
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