Heterogeneous Catalysis for Environmentally Compatible Reactions and Processes, 2nd Edition

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

Deadline for manuscript submissions: closed (31 March 2025) | Viewed by 1472

Special Issue Editors


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CINDECA (CCT La Plata-CONICET-UNLP), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Calle 47 N° 257, La Plata, Buenos Aires 1900, Argentina
Interests: heterogeneous catalysis; environmental catalysis; oxides; characterization of catalysts; catalytic combustion; biomass valorization; catalytic pyrolysis
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Instituto de Química de Recursos Naturales (IQRN), Universidad de Talca, Avenida Lircay Casilla 747, Talca 3341717, Chile
Interests: heterogeneous catalysis; environmental catalysis; characterization of catalysts; monometallic and bimetallic catalysts; steam reforming; H2 production; waste valorization; catalytic pyrolysis

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Centro de Investigación y Desarrollo en Ciencias Aplicadas “Dr. Jorge J. Ronco” (CINDECA, CCT CONICET—La Plata, UNLP, CICPBA), Calle 47 No. 257, La Plata 1900, Argentina
Interests: preparation and characterization of catalysts; biodiesel obtention; selective oxidation and etherification glycerol; application of surface organometallic chemistry on metals for chemo-, stereo- and enantioselective hydrogenation reactions; biomass valorization; computational modeling of catalysts; pyrolysis of waste biomass; water denitrification
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue is a continuation of the previous Special Issue “Heterogeneous Catalysis for Environmentally Compatible Reactions and Processes”.

In recent decades, scientific–technological efforts have been intensified to reduce the effect of pollutants on health, the environment, and consequent climate change. Heterogeneous catalysis has been successfully applied in various chemistry and chemical engineering fields such as traditional industrial processes, petrochemicals, environmental protection, obtaining fuels, and chemical products. Currently, the solution to several problems is addressed towards reactions and environmentally friendly processes. Various lines of research have been devoted to eliminating and controlling emissions and environmental remediation. On the other hand, and no less important, the study of reactions and processes allowing waste recovery and clean fuel obtention has been intensified. The growing demand for energy and using renewable sources as alternatives to fossil fuels has increased the interest in new fields and lines of research. To respond to the challenge, developing new active and selective catalysts and environmentally friendly catalytic processes for existing and new applications is essential.

This Special Issue of Catalysts aims to cover new research and trends in the development and application of catalytic materials for sustainable catalytic applications, including pollution control, clean energy production, fine chemical, biomass valorization, and environmental remediation. The Editors welcome contributions in the form of research papers, short communications, and reviews focusing on the design and development of catalysts for sustainable catalytic processes. Topics include but are not limited to the following:

  • Environmental catalysis;
  • Wastewater treatment;
  • Catalysis in green synthesis;
  • Catalysts for emission control and air pollution control;
  • Biomass conversion and biofuel production;
  • Waste conversion;
  • Biomass derivates sub-products valorization;
  • Catalytic Pyrolysis;
  • H2 production, CO2 conversion, gasification, Fischer–Tropsch synthesis;
  • New materials for catalytic applications;
  • In situ/operando characterization techniques for studying the catalyst;
  • Computational catalysis.

Dr. Ileana Daniela Lick
Dr. Paula Osorio-Vargas
Prof. Dr. Mónica L. Casella
Guest Editors

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Keywords

  • heterogeneous catalysis
  • environmental catalysis
  • waste valorization
  • biofuel
  • energy

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Published Papers (2 papers)

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Research

30 pages, 3225 KiB  
Article
Obtention and Products Distribution of Bioliquid from Catalytic Pyrolysis of Tomato Plant Waste
by José L. Buitrago, Leticia J. Méndez, Juan J. Musci, Juan A. Cecilia, Daniel Ballesteros-Plata, Enrique Rodríguez-Castellón, Mónica L. Casella, Luis R. Pizzio and Ileana D. Lick
Catalysts 2025, 15(4), 388; https://doi.org/10.3390/catal15040388 - 17 Apr 2025
Viewed by 255
Abstract
The use of tomato plant residues (i.e., stems, leaves, etc.) as a substrate for catalytic pyrolysis of biomass was investigated. A comprehensive study was conducted to investigate the impact of catalysts on the performance of different pyrolysis fractions (i.e., gas, biosolid, waxes, and [...] Read more.
The use of tomato plant residues (i.e., stems, leaves, etc.) as a substrate for catalytic pyrolysis of biomass was investigated. A comprehensive study was conducted to investigate the impact of catalysts on the performance of different pyrolysis fractions (i.e., gas, biosolid, waxes, and bioliquid) as well as the distribution of products within the bioliquid. The catalysts employed in this study were derived from two distinct types of zirconia. The first type was synthesized by a conventional sol-gel method, while the second type was prepared with a modified method aimed at improving the presence of mesopores. This modification involved the incorporation of Pluronic 123. These materials were designated ZrO2 and ZrO2P25, respectively. Both types of zirconia were used as supports for tungstophosphoric acid (H3PW12O40, TPA), a heteropolyacid with a Keggin structure, in the preparation of catalysts with strong acid sites. The results demonstrated that the bioliquid yield of the non-catalytic fast pyrolysis of tomato plant waste was approximately 23% and that the obtained bioliquid contained a wide variety of molecules, which were detected and quantified by GC-MS. In the presence of the catalysts, both the bioliquid yield and the distribution of bioliquid products were substantially modified. Furthermore, the possible sugar degradation pathways leading to the formation of the molecules present in the pyrolytic bioliquids were thoroughly examined. The results obtained from this study indicate that the physicochemical characteristics of the catalysts, specifically their pore size and acidity, have a significant impact on the selectivity of the catalytic processes towards valuable molecules, including anhydro-sugars and furanic derivatives such as furfural and furfuryl alcohol. Full article
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14 pages, 10730 KiB  
Article
WS2-Assisted Electrochemical Activation of Peroxymonosulfate for Eliminating Organic Pollutant in Water
by Wenxuan Du, Xiren Xia, Zhen Li, Fuzhen Liu and Yin Xu
Catalysts 2024, 14(11), 763; https://doi.org/10.3390/catal14110763 - 29 Oct 2024
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Abstract
Advanced oxidation process based on heterogeneous activation of peroxymonosulfate (PMS) has received significant attention in wastewater remediation. Herein, a facile and effective electrochemical method was introduced in a tungsten sulfide (WS2)-activated PMS process for the removal of a typical azo dye [...] Read more.
Advanced oxidation process based on heterogeneous activation of peroxymonosulfate (PMS) has received significant attention in wastewater remediation. Herein, a facile and effective electrochemical method was introduced in a tungsten sulfide (WS2)-activated PMS process for the removal of a typical azo dye Acid Orange 7 (AO7) in aqueous solution. It was found that the electrochemical activation could remarkably promote the removal of organic pollutants by coupling with WS2/PMS system. The elimination of AO7 in the electro-assisted WS2-activated PMS (E/WS2/PMS) system achieved 95.8% of AO7 removal in 30 min, with the optimal conditions of 1.0 g/L WS2, 1.0 mM PMS, current density of 1.0 mA/cm2 and initial pH of 6.5. Based on quenching experiments and EPR techniques, mechanistic studies confirmed that hydroxyl radical (OH) and singlet oxygen (1O2) are the primary reactive oxygen species for the oxidation of pollutants. In addition, the influences of pH, WS2 dosage, PMS concentration, current density, common anions and humic acid on the AO7 removal are also investigated in detail. Furthermore, the system exhibited resistance to aqueous matrices, verifying the accepted applicability in real water (i.e., Yangtze River water and Shahu Lake water). In summary, this study demonstrates a green system for the effective removal of contaminants in water, holding significant implications for practical application. Full article
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