Oxidative Catalysis Processes

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

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 4716

Special Issue Editors


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Guest Editor
School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
Interests: nanostructured materials for energy applications; nanotechnology; exsolution; surface chemistry; heterogeneous catalysis; chemical looping processes; H2 production; CO2 utilization; sustainability
School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
Interests: reaction engineering; clean energy; chemical looping; heterogeneous catalysis; hydrogen production; CO2 separation

Special Issue Information

Dear Colleagues,

Catalytic oxidation processes involve partial or total oxidation reactions in either gas or liquid phase, which use catalytic materials for the production of energy and chemicals, as well as for de-pollution purposes. Some examples include the conversion of major air pollutants, such as CO, VOCs and NH3, the combustion of natural gas towards energy production, the production of various chemicals such as formaldehyde from methanol, the elimination of contaminants such as dyes and phenols in water decontamination processes, and electrocatalytic oxidation of compounds including water splitting.

Due to the increased environmental concerns, energy-efficient catalytic oxidation processes have to be promoted for a more sustainable future. Thus, it has become increasingly important to develop novel multifunctional materials—from design, synthesis and characterization through to application—that could function as oxidation catalysts in more environmentally-friendly processes. It is also imperative to continue improving the efficiency of the current processes themselves, be they redox, electrochemical or photochemical, through innovation in reaction engineering.

Based on the above considerations, submissions to this Special Issue are welcome in the form of original research papers, reviews, or communications that highlight promising recent research and novel trends including the design, synthesis, characterization and application of novel materials, new approaches in reaction engineering, as well as modelling of materials and reactions in the field of heterogeneous oxidative catalysis.

Dr. Kalliopi Kousi
Dr. Wenting Hu
Guest Editors

Manuscript Submission Information

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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

  • heterogeneous catalysis
  • chemical looping processes
  • photocatalysis
  • electrochemistry
  • oxide catalysts
  • synthesis of chemicals
  • carbon capture and utilization
  • greenhouse gas conversion

Published Papers (1 paper)

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Research

14 pages, 5279 KiB  
Article
Exploring the Stability of Fe–Ni Alloy Nanoparticles Exsolved from Double-Layered Perovskites for Dry Reforming of Methane
by Alfonso J. Carrillo and José Manuel Serra
Catalysts 2021, 11(6), 741; https://doi.org/10.3390/catal11060741 - 16 Jun 2021
Cited by 19 | Viewed by 3875
Abstract
Exsolution is emerging as a promising route for the creation of nanoparticles that remain anchored to the oxide support, imparting remarkable stability in high temperature chemical processes such as dry reforming of methane. This process takes place at temperatures around 850 °C, which [...] Read more.
Exsolution is emerging as a promising route for the creation of nanoparticles that remain anchored to the oxide support, imparting remarkable stability in high temperature chemical processes such as dry reforming of methane. This process takes place at temperatures around 850 °C, which causes sintering-related issues in catalysts prepared using conventional impregnation methods, which could be overcome by using exsolution functionalized oxides. In this work, FeNi3 alloy nanoparticles exsolved from Sr2FexNi1-xMoO6-δ double-layered perovskites were evaluated as a dry reforming catalyst, paying special attention to structure–activity relationships. Our results indicate that increasing the Ni content favors the nanoparticle dispersion, eventually leading to increased CO2 and CH4 conversions. The exsolved nanoparticles presented remarkable nanoparticle size (ca. 30 nm) stability after the 10 h treatment, although the formation of some phase segregations over the course of the reaction caused a minor decrease in the nanoparticle population. Overall, the results presented here serve as materials processing guidelines that could find further potential use in the design of more efficient (electro)catalysts in other fuel production or energy conversion technologies. Full article
(This article belongs to the Special Issue Oxidative Catalysis Processes)
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