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Porous Catalytic Materials for Environmental Purification
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Porous Catalytic Materials for Environmental Purification

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 1342

Special Issue Editor

Dr. Fukun Bi

E-Mail Website
Guest Editor
School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
Interests: metal–organic frameworks; degradation of gaseous pollutants, such as VOCs, CO and NOx, etc.
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Environmental pollution has become one of the most pressing global issues, requiring innovative solutions for air, water, and soil purification. Porous catalytic materials, with their unique structural and functional properties, have emerged as powerful tools for environmental purification and remediation. These materials, including zeolites, metal-organic frameworks (MOFs), covalent organic frameworks (COFs), mesoporous oxides, and porous carbons, etc., exhibit high surface areas, tunable pore structures, and abundant active sites, enabling the efficient adsorption and catalytic degradation of various pollutants, including organic dyes, heavy metals, microplastics, and gaseous pollutants (e.g., NOx, VOCs). This Special Issue aims to showcase the latest developments in research on porous catalytic materials for environmental purification. We invite contributions that address fundamental scientific or practical applications, with a focus on sustainable and cost-effective porous catalytic materials for environmental purification, including, but not limited to, the following topics:

  • Design and synthesis of novel porous catalysts with enhanced activity and stability;
  • Mechanistic studies of pollutant degradation and transformation pathways;
  • Advanced characterization techniques for understanding structure–activity relationships;
  • Multifunctional materials for simultaneous adsorption and catalytic degradation;
  • Large-scale applications in wastewater treatment, air purification, and soil remediation.

If you would like to submit papers for publication in this Special Issue or have any questions, please contact the in-house Editor, Mr. Ives Liu (ives.liu@mdpi.com).

Dr. Fukun Bi
Guest Editor

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 250 words) can be sent to the Editorial Office for assessment.

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

  • porous materials
  • catalytic oxidation
  • advanced oxidation
  • photocatalysis
  • VOCs degradation
  • CO2 catalytic conversion
  • NOx catalytic reduction
  • CO oxidation
 

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Published Papers (2 papers)

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19 pages, 3359 KB  
Article
Mn-MOFs with Different Morphologies Derived MnOx Catalysts for Efficient CO Catalytic Oxidation
by Fukun Bi, Yanxuan Wang, Jingyi He, Haoyu Qu, Hongxin Li, Baolin Liu, Yuxin Wang and Xiaodong Zhang
Catalysts 2025, 15(12), 1145; https://doi.org/10.3390/catal15121145 - 5 Dec 2025
Viewed by 497
Abstract
The design of efficient catalysts is vital for the application of catalytic oxidation technology in the removal of gaseous pollutants. Herein, a series of MnOx catalysts with the typical Mn2O3 crystal structure was synthesized via the high-temperature pyrolysis method [...] Read more.
The design of efficient catalysts is vital for the application of catalytic oxidation technology in the removal of gaseous pollutants. Herein, a series of MnOx catalysts with the typical Mn2O3 crystal structure was synthesized via the high-temperature pyrolysis method by using Mn-based metal–organic frameworks (Mn-MOFs) with various morphologies as the precursors. The physicochemical properties of these Mn-MOF-derived MnOx samples were investigated by various characterization techniques, including X-ray diffraction (XRD), thermogravimetry (TG), N2 adsorption–desorption, scanning electron microscope (SEM), and H2 temperature-programmed reduction (H2-TPR), and their catalytic activity was evaluated for catalytic CO degradation. The results showed that the Mn-MOF with leaf-like morphology, derived MnOx-Leaf, presented the optimal catalytic CO oxidation performance (T98 = 214 °C), stability, and reusability. Characterization results showed that the different Mn-MOF-derived MnOx catalysts possessed different physical–chemical properties. The superior catalytic activity of MnOx-Leaf for CO degradation was ascribed to its large surface area and pore size, better low-temperature redox properties, and high H2 consumption, which promoted the adsorption and activation of the CO and gaseous oxygen molecules, improving CO oxidation. Finally, the possible CO degradation pathway was evaluated by in situ diffuse reflectance Fourier transform infrared spectroscopy (DRIFTS), which showed that gaseous CO and O2 were adsorbed on the surface of the catalyst and oxidized to form surface carbon-related species (bicarbonate and carbonate), and finally converted to CO2. Full article
(This article belongs to the Special Issue Porous Catalytic Materials for Environmental Purification)
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16 pages, 1757 KB  
Article
Synergistic Remediation of Cr(VI) and P-Nitrophenol Co-Contaminated Soil Using Metal-/Non-Metal-Doped nZVI Catalysts with High Dispersion in the Presence of Persulfate
by Yin Wang, Siqi Xu, Yixin Yang, Yule Gao, Linlang Lu, Hu Jiang and Xiaodong Zhang
Catalysts 2025, 15(11), 1077; https://doi.org/10.3390/catal15111077 - 13 Nov 2025
Viewed by 546
Abstract
In this work, two novel nanoscale zero-valent iron (nZVI) composites (nanoscale zero-valent iron and copper-intercalated montmorillonite (MMT-nFe0/Cu0) and carbon microsphere-supported sulfurized nanoscale zero-valent iron (CMS@S-nFe0)) were used to treat soil contaminated with both Cr(VI) and p-nitrophenol (PNP), [...] Read more.
In this work, two novel nanoscale zero-valent iron (nZVI) composites (nanoscale zero-valent iron and copper-intercalated montmorillonite (MMT-nFe0/Cu0) and carbon microsphere-supported sulfurized nanoscale zero-valent iron (CMS@S-nFe0)) were used to treat soil contaminated with both Cr(VI) and p-nitrophenol (PNP), and added persulfate (PMS). Experiments found that the pollutant removal effect has a great relationship with the ratio of water to soil, the amount of catalyst, the amount of PMS, and the pH value. When the conditions are adjusted to the best (water–soil = 2:1, catalyst 30 g/kg, PMS 15 g/kg, pH 7–9), both materials fix Cr(VI) well and decompose PNP. The removal rates of Cr(VI) and PNP by the MMT-nFe0/Cu0 system are 90.4% and 72.6%, respectively, while the CMS@ S-nFe0 system is even more severe, reaching 94.8% and 81.3%. Soil column leaching experiments also proved that the fixation effect of Cr can last for a long time and PNP can be effectively decomposed. Through detection methods such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS), we found that Cr(VI) was effectively reduced to Cr(III) by Fe0 and Fe2+ ions and subsequently transformed into stable FeCr2O4 spinel oxides, and the groups produced after the decomposition of PNP could also help fix the metal. This work provides a way to simultaneously treat Cr(VI) and PNP pollution, and also allows the use of multifunctional nZVI composites in complex soil environments. Full article
(This article belongs to the Special Issue Porous Catalytic Materials for Environmental Purification)
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