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Featured Papers in “Environmental Catalysis” Section
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Featured Papers in “Environmental Catalysis” Section

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

Deadline for manuscript submissions: 10 December 2024 | Viewed by 3517

Special Issue Editors

Prof. Dr. Jean-François Lamonier

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Guest Editor
Unité de Catalyse et Chimie du Solide, Université Lille, Faculté des Sciences et Technologies, UMR CNRS 8181, 59652 Villeneuve d\'Ascq, France
Interests: heterogeneous catalysis; environmental catalysis; VOC catalytic oxidation; plasma-catalysis; transition metal oxides; material surface characterisation
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Stanisław Wacławek

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Guest Editor
Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technology and Innovation, Technical University of Liberec, Studentska 1402/2, Liberec, Czech Republic
Interests: environmental chemistry; sustainable chemistry; water and wastewater treatmentł advanced oxidation processes
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Piotr Kuśtrowski

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Guest Editor
Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
Interests: synthesis of novel mesoporous materials; core–shell structures; metal-free carbon catalysts; catalytic combustion of volatile organic compounds; selective oxidation of hydrocarbons; surface analysis with X-ray photoelectron spectroscopy
Dr. Mohd Rafatullah

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Guest Editor
Division of Environmental Technology, School of Industrial Technology, Universiti Sains Malaysia, George Town 11800, Penang, Malaysia
Interests: environmental water pollutants and their safe removal; preparation of various nano-materials to protect the environment; water and wastewater treatment; adsorption and ion exchange; microbial fuel cells; advanced oxidation process; activated carbons and their electrochemical properties; environmental catalysis
Special Issues, Collections and Topics in MDPI journals
Dr. Lei Ma

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Guest Editor
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: environmental catalysis; air pollution control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Catalysis plays a crucial role in addressing the urgent environmental challenges we face today, such as air and water pollution, climate change, and the depletion of natural resources. To tackle these issues, it is essential to develop efficient and sustainable catalytic processes. This Special Issue aims to showcase cutting-edge research and advancements in the field of "Environmental Catalysis" through a collection of featured papers.

To address these challenges, two strategies have been implemented. The first approach involves reducing emissions through source reduction by improving process efficiency. The second strategy involves intercepting emissions before their release using end-of-pipe technologies. Among these technologies, catalytic processes have emerged as one of the most promising methods for removing pollutants from air or liquid media. This Special Issue aims to showcase the latest original and high-quality research communications, articles, and review articles on the catalytic elimination of gas-, liquid-, and solid-phase pollutants. The papers explore various aspects of catalysis, encompassing both fundamental studies and practical applications, with the common goal of promoting sustainable environmental practices.

The design of novel technologies is required to solve problems related to the environment, especially regarding the treatment of low amounts of pollutants in the air and CO2 activation. Photocatalysis and electrocatalysis are considered the most promising technologies, and the combination of photo- and thermo-catalytic effects is an emerging trend for improving catalytic performance. The design of novel sustainable catalytic materials is another challenge with the emerging synthesis of more energy-efficient protocols such as mechano-chemistry, microwave, or non-thermal plasma-assisted synthesis.

The papers included in this Special Issue cover a wide range of topics, focusing on the catalytic elimination of gas-, liquid-, and solid-phase pollutants. These pollutants, including VOCs, NOx, SOx, CO2, CH4, organic compounds, and soot, significantly contaminate air, water, and soil, posing threats to human health and the environment. With governments worldwide implementing stringent regulations and policies to combat outdoor pollution, indoor pollution is also gaining recognition as a significant public health concern.

By highlighting the potential of catalysis in addressing environmental issues, this Special Issue hopes to inspire researchers, engineers, and policymakers to further explore and harness its capabilities. Through interdisciplinary collaborations and the adoption of sustainable catalytic processes, we can pave the way toward a cleaner and greener world.

Prof. Dr. Jean-François Lamonier
Prof. Dr. Stanisław Wacławek
Prof. Dr. Piotr Kuśtrowski
Dr. Mohd Rafatullah
Dr. Lei Ma
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. 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 2200 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

  • catalysis
  • thermal catalysis
  • photocatalysis
  • electrocatalysis
  • biocatalysis
  • sustainable catalytic processes
  • design of novel technologies
  • design of novel catalysts
  • air, water, and soil remediation
  • VOC oxidation
  • soot oxidation
  • NOx reduction
  • CO2 activation
  • CH4 activation

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
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Further information on MDPI's Special Issue polices can be found here.

Published Papers (4 papers)

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Research

14 pages, 2688 KiB  
Article
CO Oxidation over Cu/Ce Binary Oxide Prepared via the Solvothermal Method: Effects of Cerium Precursors on Properties and Catalytic Behavior
by Wen Jin, Yanmin Liu, Hongyan Xue, Jun Yu and Dongsen Mao
Catalysts 2024, 14(12), 856; https://doi.org/10.3390/catal14120856 - 25 Nov 2024
Viewed by 236
Abstract
Cu/Ce binary oxides were prepared via the one-pot solvothermal method, and the effects of different cerium precursors (cerium nitrate and cerium ammonium nitrate) on the catalytic activity and resistance to water vapor or CO2 of the prepared samples for low-temperature CO oxidation [...] Read more.
Cu/Ce binary oxides were prepared via the one-pot solvothermal method, and the effects of different cerium precursors (cerium nitrate and cerium ammonium nitrate) on the catalytic activity and resistance to water vapor or CO2 of the prepared samples for low-temperature CO oxidation reaction were investigated. The physicochemical characteristics of the catalysts were characterized via thermal analyses (TG-DSC), X-ray diffraction (XRD), Raman spectroscopy, N2 adsorption/desorption, inductively coupled plasma-atomic emission spectrometry (ICP-AES), X-ray photoelectron spectroscopy (XPS), in situ diffuse reflectance infrared Fourier transform spectroscopy (in situ DRIFTs), and temperature-programmed reduction with H2 (H2-TPR). The results indicated that the CuO/CeO2 catalyst (CC-N) prepared with cerium nitrate showed higher activity for low-temperature CO oxidation, which can be ascribed to its larger specific surface area and pore volume, higher amounts of highly dispersed CuO species with strong interaction with CeO2, Cu+ species, and more active surface oxygen species, compared with the counterpart prepared with cerium ammonium nitrate (CC-NH). Furthermore, the CC-N catalyst also exhibited better resistance to CO2 poisoning than CC-NH. Full article
(This article belongs to the Special Issue Featured Papers in “Environmental Catalysis” Section)
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27 pages, 6198 KiB  
Article
Pd-Co Supported on Anodized Aluminium for VOCs Abatement: Reaction Mechanism, Kinetics and Applicability as Monolithic Catalyst
by Anton Naydenov, Silviya Todorova, Boriana Tzaneva, Ellie Uzunova, Hristo Kolev, Yordanka Karakirova, Daniela Karashanova and Ralitsa Velinova
Catalysts 2024, 14(10), 736; https://doi.org/10.3390/catal14100736 - 20 Oct 2024
Viewed by 944
Abstract
It has been found out that Pd-Co-based catalyst, supported on anodized aluminum, possesses very high activity in combustion reactions of C1–C6 alkanes and toluene. The catalyst characterization has been made by N2-pysisorption, XRD, SEM, XPS, FTIR, TEM, and [...] Read more.
It has been found out that Pd-Co-based catalyst, supported on anodized aluminum, possesses very high activity in combustion reactions of C1–C6 alkanes and toluene. The catalyst characterization has been made by N2-pysisorption, XRD, SEM, XPS, FTIR, TEM, and EPR methods. In view of the great interest, methane combustion was investigated in detail. It is ascertained that the complete oxidation of methane proceeds by dissociative adsorption on PdO and formation of hydroxyl and methyl groups, the former being highly reactive, and it undergoes further reaction to oxygen-containing intermediates, whereupon HCHO is one of them. The presence of Co2+ cations promotes greatly oxygen adsorption. The dissociative adsorption is favored on neighboring Co2+ cations, leading to the formation of bridging peroxides. Further, the oxygen dissociates on the nearest Pd2+ cations. According to the results from the experimental data, instrumental methods, and the observed kinetics and DFT model calculations, it can be concluded that the reaction pathway over Pd+Co/anodic alumina support (AAS) catalyst proceeds most probably through Mars–van Krevelen. The obtained data on the kinetics were used for simulation of the methane combustion in a full-scale adiabatic reactor. Full article
(This article belongs to the Special Issue Featured Papers in “Environmental Catalysis” Section)
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14 pages, 4586 KiB  
Article
Amorphous Carbon and Cyano-Group Self-Modified P-Doped g-C3N4 for Boosting Photocatalytic H2 Evolution
by Hang Gao, Minghao Zhang, Huixin Li, Yiran Zhang, Caixia Song and Debao Wang
Catalysts 2024, 14(8), 523; https://doi.org/10.3390/catal14080523 - 13 Aug 2024
Viewed by 715
Abstract
Designing g-C3N4-based nanostructured photocatalysts is crucial to boosting their application in advancing clean energy and sustainable environmental solutions. In this study, cyano groups and amorphous carbon self-modified P-doped g-C3N4 (PCNx) photocatalysts were designed and prepared by [...] Read more.
Designing g-C3N4-based nanostructured photocatalysts is crucial to boosting their application in advancing clean energy and sustainable environmental solutions. In this study, cyano groups and amorphous carbon self-modified P-doped g-C3N4 (PCNx) photocatalysts were designed and prepared by one-pot calcination. Melamine phosphate was employed as a multifunctional precursor to simultaneously achieve P-doping and amorphous carbon/cyano group self-modification in the g-C3N4 photocatalyst. The molar ratio of urea to melamine phosphate regulates the content of amorphous carbon and cyano groups, which further enhances the conductivity of g-C3N4. Due to the high conductivity of amorphous carbon and cyano groups, the charge transfer process was further accelerated. As a result, the optimized P-doping and amorphous carbon/cyano-group in PCN2 photocatalyst led to an excellent H2 production rate of 157.86 µmol·g−1·h−1 under visible light, which is approximately 2.4 times and 3 times higher than those of CN and PCN. The work developed an alternative strategy for the construction of highly efficient g-C3N4-based photocatalysts. Full article
(This article belongs to the Special Issue Featured Papers in “Environmental Catalysis” Section)
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21 pages, 6973 KiB  
Article
BiVO4-Based Photocatalysts for the Degradation of Antibiotics in Wastewater: Calcination Role after Solvothermal Synthesis
by Jhon Mauricio Aguirre-Cortes, Adriana Isabel Moral-Rodríguez, Esther Bailón-García, Francisco Carrasco-Marín and Agustín Francisco Pérez-Cadenas
Catalysts 2024, 14(8), 474; https://doi.org/10.3390/catal14080474 - 25 Jul 2024
Viewed by 921
Abstract
BiVO4 is an important n-type semiconductor used in photocatalysis due to its high capacity to absorb solar light in the 400–700 nm range, abundance, high chemical stability, non-toxicity, and low cost. However, research on physicochemical modifications to increase its catalytic activity via [...] Read more.
BiVO4 is an important n-type semiconductor used in photocatalysis due to its high capacity to absorb solar light in the 400–700 nm range, abundance, high chemical stability, non-toxicity, and low cost. However, research on physicochemical modifications to increase its catalytic activity via simple procedures is limited. In this work, the influence of different synthesis parameters, such as calcination temperatures or silver doping, on the structural and physicochemical characteristic of the BiVO4-based photocatalysts and their photocatalytic performance in degrading sulfamethoxazole from aqueous solution under blue-LED irradiation was evaluated. BiVO4-based photocatalysts were synthesized using a solvothermal method. The monoclinic phase (m-s) was successfully kept stable even after the thermal treatments at 300, 450, and 600 °C and the corresponding silver doping. The low bandgap of 2.40 eV and the average particle size of 18 nm of the BiVO4 catalyst treated at 300 °C seems to be the key. Afte doping, Ag/BiVO4 photocatalyst treated at the optimal found calcination temperature (300 °C) showed the best photocatalytic behavior. Full article
(This article belongs to the Special Issue Featured Papers in “Environmental Catalysis” Section)
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