New Trends in Catalysis: ELITECAT 2024

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

Deadline for manuscript submissions: closed (31 January 2025) | Viewed by 651

Special Issue Editors


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Guest Editor
IRCELYON, UMR 5256-CNRS, Université Claude Bernard Lyon 1, 2 Avenue Albert Einstein, CEDEX, 69626 Villeurbanne, France
Interests: heterogeneous catalysis; catalytic process for environmental applications; preparation of noble metal catalysts; synthesis of mixed oxide catalysts; characterization of catalysts; NOx abatement; VOC abatement; post-treatment
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Guest Editor
Institute of Nanostructured Materials, Palermo Research Division, CNR - ISMN, Via Ugo La Malfa 153, 90146 Palermo, Italy
Interests: supported noble metals; nanostructured and mesoporous materials; inorganic perovskites for application in NO SCR from exhaust gases (stationary and mobile sources); VOCs oxidation; dry/steam hydrocarbons reaction; CO2 methanation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Chemical Engineering Department, Faculty of Chemical Sciences and Technologies, University of Castilla La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
Interests: conventional catalysis and electrocatalysis; the application of the phenomenon of the electrochemical promotion of catalysis; the synthesis of carbon nanostructures (nanotubes, nanofibers, nanospheres and graphene) that have been used as catalysts or in the formulation of composites used in construction (aerogels), nautical, aeronautics and energy sector; the encapsulation of phase change materials and catalysts; pyrolysis, combustion and gasification of biomass; and simulation and modeling of chemical processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Catalysis has undergone significant advancements since the 1950s. Numerous sophisticated tools and concepts have enhanced our understanding of the mechanisms governing catalytic reactions. Today, one of the primary challenges for scientists is to develop new reaction pathways that are efficient in terms of atom economy, reaction steps, energy consumption, waste reduction, and increased selectivity and safety. Catalysis is crucial in the development of these new reaction paths, necessitating highly skilled professionals who can understand the principles and tools required to bridge the gap between laboratory research and industrial applications. In pursuit of this goal, the catalysis training course Elitecat 2024 (https://elitecat2024.univ-lyon1.fr/en) will be held from July 8th to 12th, 2024, at the LyonTech La Doua scientific campus in Villeurbanne, France. The course will cover the latest developments in the field of catalysis; key procedures for preparing, characterizing, and testing catalysts for various applications; tools for establishing kinetic models; and the types of reactors used for catalytic reactions.

The thematic Special Issue "New Trends in Catalysis: ELITECAT 2024" will encompass all the latest advancements in the field of heterogeneous catalysis. Topics will include recent developments in the synthesis of catalytic materials and catalyst characterization. It will also cover kinetics, mechanisms, reactivity, and modeling, as well as transport processes in reactions catalyzed by solids and process simulation. Additionally, the issue will feature ab initio calculations and the simulation of complex catalytic systems, valorization of CO2, biomass valorization, alternative fuels, life cycles of materials, and research data exploitation and management.

Prof. Dr. Anne Giroir-Fendler
Dr. Leonarda Liotta
Prof. Dr. Jose Luis Valverde Palomino
Guest Editors

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Keywords

  • process simulation
  • CO2 valorization
  • biomass
  • alternative fuels
  • LCA
  • data exploitation and management

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Published Papers (1 paper)

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Research

20 pages, 3643 KiB  
Article
Unlocking Catalytic Efficiency: How Preparation Strategies and Copper Loading Enhance Hydroxyapatite Catalysts for NH3 Oxidation
by Sebastiano Campisi, Melissa Greta Galloni and Antonella Gervasini
Catalysts 2025, 15(4), 405; https://doi.org/10.3390/catal15040405 - 21 Apr 2025
Viewed by 137
Abstract
The selective catalytic oxidation of ammonia (NH3-SCO) is gaining attention due to the hazardous nature of NH3 and its inclusion in emission reduction frameworks such as the National Emission Ceilings Directive and the Gothenburg Protocol (1999). Copper-based hydroxyapatite (Cu/HAP) catalysts [...] Read more.
The selective catalytic oxidation of ammonia (NH3-SCO) is gaining attention due to the hazardous nature of NH3 and its inclusion in emission reduction frameworks such as the National Emission Ceilings Directive and the Gothenburg Protocol (1999). Copper-based hydroxyapatite (Cu/HAP) catalysts have emerged as a promising solution, offering high activity and cost-effectiveness. This study evaluated two preparation methods: a one-pot co-precipitation technique and post-synthesis copper deposition, varying both the contact time and copper concentration. The influence of copper loading and preparation method on catalyst performance in NH3-SCO was investigated in a continuous flow reactor over a temperature range of 200–500 °C, with a fixed gas hourly space velocity (GHSV) of 120,000 h1 and an NH3/O2 ratio of 0.03. X-ray diffraction and DR-UV spectroscopy confirmed the high crystallinity of HAP and provided insights into copper speciation. X-ray photoelectron spectroscopy revealed that Cu/HAP catalysts prepared via one-pot co-precipitation predominantly contained isolated Cu2+ species, which were associated with high catalytic activity in selective NH3-SCO. Conversely, a higher degree of copper structuring was observed in catalysts prepared by post-synthesis deposition, particularly at higher Cu loadings. These findings highlight the potential to tailor Cu structuring on HAP to enhance performance in NH3-SCO through optimized preparation strategies. Full article
(This article belongs to the Special Issue New Trends in Catalysis: ELITECAT 2024)
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