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Catalysts
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Nanomaterials in Environmental Catalysis
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Nanomaterials in Environmental Catalysis

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

Deadline for manuscript submissions: closed (15 April 2025) | Viewed by 1674

Special Issue Editors

Dr. Lixin Li

E-Mail Website
Guest Editor
School of Environment and Chemical Engineering, Heilongjiang University of Science and Technology, Harbin 150080, China
Interests: research focuses on the application of environmental microbiology to water or wastewater treatment; preparation of functional materials for mining solid waste; preparation and application of activated carbon; advanced catalytic oxidation technology for water treatment
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Lijie Xu

E-Mail Website
Guest Editor
College of Ecology and Environment, Nanjing Forestry University, Nanjing 210037, China
Interests: advanced oxidation processes in water and wastewater treatment; removal of emerging contaminants in water; development of environmental functional materials
Prof. Dr. Langming Bai

E-Mail Website
Guest Editor
School of Environment, Harbin Institute of Technology, Harbin 150090, China
Interests: membrane
Dr. Xin Ren

E-Mail Website
Guest Editor
Key Laboratory of Environmental Materials and Pollution Control, Education Department of Jilin Province, Siping 136000, China
Interests: advanced oxidation technology; environmental health effect

Special Issue Information

Dear Colleagues,

This Special Issue, “Nanomaterials in Environmental Catalysis”, welcomes both comprehensive reviews and original research articles on a variety of nanomaterials in environmental catalysis. Themes include, but are not limited to, the following:

  • Advanced nanomaterials for energy conversion and environmental catalysis application;
  • Catalysis for energy conversion;
  • Photocatalytic nanomaterials;
  • Electrocatalytic nanomaterials;
  • Heterogeneous catalysis in water/wastewater treatment processes;
  • Air treatment, such as catalytic conversion of greenhouse gases;
  • Nanomaterials in renewable feedstock production;
  • Nanocatalysts;
  • Metal–organic frameworks (MOFs);
  • Zeolite-based materials;
  • Catalytic water splitting;
  • Nanomaterial fabrication;
  • Environmental purification;
  • New techniques of nanomaterials characterization;
  • Removal of microbiological pollutants;
  • Self-cleaning surfaces;
  • Mechanism of pollutants’ decomposition;
  • Advanced oxidation technologies;
  • Green chemistry;
  • Waste recycling and repurposing via catalysis;
  • Biochar catalytic material;
  • Environmental bioenergy and processes.

Dr. Lixin Li
Prof. Dr. Lijie Xu
Prof. Dr. Langming Bai
Dr. Xin Ren
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

  • nanomaterials
  • nanocatalysts
  • catalysis for energy conversion
  • photocatalytic nanomaterials
  • electrocatalytic nanomaterials

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

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13 pages, 3394 KiB  
Article
Enhanced Diclofenac Removal from Constructed Wetland Effluent Using a Photoelectrocatalytic System with N-TiO2 Nanocrystal-Modified TiO2 Nanotube Anode and Graphene Oxide/Activated Carbon Photocathode
by Xiongwei Liang, Shaopeng Yu, Bo Meng, Xiaodi Wang, Chunxue Yang, Chuanqi Shi and Junnan Ding
Catalysts 2024, 14(12), 954; https://doi.org/10.3390/catal14120954 - 23 Dec 2024
Viewed by 677
Abstract
This investigation reports on the efficacy of a photoelectrocatalysis (PEC) system enhanced by a nitrogen-doped TiO2 nanocrystal-modified TiO2 nanotube array (N-TiO2 NCs/TNTAs) anode paired with a graphene oxide/activated carbon (GO/AC) photocathode for diclofenac removal from effluent. The FE-SEM and EDX [...] Read more.
This investigation reports on the efficacy of a photoelectrocatalysis (PEC) system enhanced by a nitrogen-doped TiO2 nanocrystal-modified TiO2 nanotube array (N-TiO2 NCs/TNTAs) anode paired with a graphene oxide/activated carbon (GO/AC) photocathode for diclofenac removal from effluent. The FE-SEM and EDX analyses validated the elemental composition of the anode—27.56% C, 30.81% N, 6.03% O, and 26.49% Ti. The XRD results confirmed the anatase phase and nitrogen integration, essential for photocatalytic activity enhancement. Quantum chemical simulations provided a comprehensive understanding of the red-shifted absorption bands in N-TiO2, and UV-vis DRS demonstrated a red-shift in absorption to the visible spectrum, indicating improved light utilization. The PEC configuration achieved a photocurrent density of 9.8 mA/dm2, significantly higher than the unmodified and solely nitrogen-doped counterparts at 4.8 mA/dm2 and 6.1 mA/dm2, respectively. Notably, this system reduced diclofenac concentrations by 58% within 75 min, outperforming standard photocatalytic setups. These findings underscore the potential of N-TiO2 NCs/TNTAs-AC-GO/PTFE composite material for advanced environmental photoelectrocatalytic applications. Full article
(This article belongs to the Special Issue Nanomaterials in Environmental Catalysis)
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Review

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21 pages, 4524 KiB  
Review
Machine Learning-Assisted Catalysts for Advanced Oxidation Processes: Progress, Challenges, and Prospects
by Qinghui Yuan, Xiaobei Wang, Dongdong Xu, Hongyan Liu, Hanwen Zhang, Qian Yu, Yanliang Bi and Lixin Li
Catalysts 2025, 15(3), 282; https://doi.org/10.3390/catal15030282 - 17 Mar 2025
Viewed by 676
Abstract
Advanced oxidation processes (AOPs) are recognized as one of the most effective methods in the field of wastewater treatment, and the selection of catalysts in the oxidation process is very important. In the face of the traditional test trial-and-error method, the method of [...] Read more.
Advanced oxidation processes (AOPs) are recognized as one of the most effective methods in the field of wastewater treatment, and the selection of catalysts in the oxidation process is very important. In the face of the traditional test trial-and-error method, the method of screening advanced oxidation catalysts is time-consuming and inefficient. This paper examines approximately two decades’ worth of literature pertaining to the development of catalysts facilitated by machine learning. A synopsis of the various advanced oxidation processes and reactive oxygen species (ROS) is provided. Subsequently, it is posited that the swift advancement of machine learning (ML) and its algorithmic classification has significantly propelled the progress in ML-assisted catalyst screening, active site prediction, the discovery of acceleration mechanisms, and catalyst structural research, which are subsequently elucidated. Despite ML’s proven efficacy as a tool within the domain of AOPs’ catalysis, the article concludes by presenting challenges and outlining future development strategies, particularly in light of issues pertaining to data quality and quantity, as well as inherent model limitations. Full article
(This article belongs to the Special Issue Nanomaterials in Environmental Catalysis)
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