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Catalysts
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Catalytic Removal of Volatile Organic Compounds (VOCs)
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Catalytic Removal of Volatile Organic Compounds (VOCs)

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

Deadline for manuscript submissions: 15 November 2025 | Viewed by 596

Special Issue Editors

Dr. Ralitsa Georgieva

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Guest Editor
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria
Interests: environmental catalysts; VOC combustion; synthesis of catalysts; characterization; instrumental methods
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Anton Naydenov

E-Mail Website
Guest Editor
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria
Interests: environmental catalysis; reaction kinetics; mechanistic models of catalytic reactions; experimental investigation and mathematical modeling of different types of catalytic reactors; development of computation procedures for identifying the kinetics and mechanisms of catalytic reactions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Volatile organic compounds, or VOCs, are the primary air pollutants today. Usually, several factors, such as transportation and industrial operations, are associated with their origin. Catalytic combustion is one of the most promising approaches for their removal at low concentrations. The application of various systematic research approaches related to the creation of new types of catalysts based on different noble metals or transition metal oxides is necessary for the development of systems for performing the catalytic neutralization of gases containing volatile organic compounds (VOCs), such as methane, propane, butane, and organic solvents.

This Special Issue will focus on developing novel catalysts for the catalytic removal of volatile organic compounds (VOCs). Reports that describe the innovative designs of various catalytic systems for testing at multiple scales, ranging from pilot plants to laboratory catalytic reactors, as well as experimental installations to obtain information on poisoning, thermal and hydrothermal stability, and the regeneration of catalysts, are also relevant.

Dr. Ralitsa Georgieva
Prof. Dr. Anton Naydenov
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

  • catalytic combustion
  • VOCs
  • noble metals
  • transition metal oxides
  • catalysts

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Published Papers (1 paper)

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15 pages, 2176 KiB  
Article
A Promising Monolithic Catalyst for Advanced VOCs Oxidation by Graphene-Doped α-MnO2 Loaded on Cordierite Honeycomb
by Yilin Dong, Yiyang Zhao, Jing Sun, Yafang Shen, Xiqiang Zhao, Wenlong Wang, Zhanlong Song and Yanpeng Mao
Catalysts 2025, 15(4), 321; https://doi.org/10.3390/catal15040321 - 27 Mar 2025
Viewed by 312
Abstract
A high-activity, low-cost, and easy-to-prepare monolithic catalyst is crucial for the industrial catalytic combustion of volatile organic compounds (VOCs) in a cost-effective manner. In this study, a highly efficient monolithic catalyst, designated as 4GM/COR, was developed by loading 4% graphene-doped α-MnO2 (4GM) [...] Read more.
A high-activity, low-cost, and easy-to-prepare monolithic catalyst is crucial for the industrial catalytic combustion of volatile organic compounds (VOCs) in a cost-effective manner. In this study, a highly efficient monolithic catalyst, designated as 4GM/COR, was developed by loading 4% graphene-doped α-MnO2 (4GM) catalyst onto pre-etched cordierite (COR) blocks using a straightforward “ball-milling-assisted impregnation” method. The anchoring force of the cordierite pores, generated through oxalic acid etching, enables the uniform and robust loading of powdered 4GM onto COR, preventing detachment under high temperatures or high gas flow rates. The loading rate, specific surface area, and concentrations of Mn3+ and surface-lattice and absorbed oxygen species in the monolithic catalyst increase with impregnation times from 2 to 4, indicating that catalytic activity is optimized through repeated impregnation. Catalytic performance tests demonstrated that the 4-4GM/COR exhibited the highest activity, achieving 90% degradation of toluene at 200 °C under both dry and humid (relative humidity is 85%) conditions. Furthermore, the 4-4GM/COR maintains high catalytic stability and activity even at a large GHSV of 6000 h−1. To conclude, the 4-4GM/COR monolithic catalyst developed in this study not only represents a promising option for industrial applications but also serves as an important reference for the synthesis of monolithic catalysts. Full article
(This article belongs to the Special Issue Catalytic Removal of Volatile Organic Compounds (VOCs))
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