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Environmental Breakthroughs: Advanced Research on New Materials of Depollution Strategies for Water, Soil, Air, and Noise Pollution

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Green Materials".

Deadline for manuscript submissions: 10 February 2026 | Viewed by 504

Special Issue Editors


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Guest Editor
Department of Environmental Engineering, Mechanical Engineering and Agritourism, Faculty of Engineering, Vasile Alecsandri University of Bacau, 157 Calea Marasesti, 600115 Bacau, Romania
Interests: environmental engineering; chemical engineering; bioengineering; materials engineering

E-Mail Website
Guest Editor
Department of Environmental Engineering, Mechanical Engineering and Agritourism, Faculty of Engineering, Vasile Alecsandri University of Bacau, 157 Calea Marasesti, 600115 Bacau, Romania
Interests: mechanical engineering; solid waste treatment; liquid waste; optimization methods; mathematical modelling
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Environmental Engineering, Mechanical Engineering and Agritourism, Faculty of Engineering, Vasile Alecsandri University of Bacau, 157 Calea Marasesti, 600115 Bacau, Romania
Interests: waste; management; pollution; treatment solutions; landfills
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Chemical and Food Engineering, Faculty of Engineering, Vasile Alecsandri University of Bacau, 157 Calea Marasesti, 600115 Bacau, Romania
Interests: biotechnologies; food and chemical engineering; raw materials processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of Materials aims to compile research focused on environmental depollution, addressing pollution in water, soil, air, and noise. We welcome submissions that explore the chemical, physical, and biological characteristics of pollutants across various environments; present innovative materials and advanced technologies for the detection, monitoring, and remediation of pollutants; and adopt interdisciplinary approaches that integrate environmental science, engineering, and policy analysis. In addition, we seek review articles and meta-analyses that synthesize current knowledge and highlight future research directions. We also encourage the submission of studies that examine the socio-economic impacts of pollution and strategies for community engagement and environmental education, in addition to those that explore the application of novel materials in depollution processes and address emerging forms of pollution. This Special Issue hopes to further scientific understanding, foster innovative solutions, and inspire actionable strategies to combat pollution and protect environmental health.

Dr. Diana-Carmen Mirila
Dr. Emilian Florin Moşneguţu
Dr. Claudia Tomozei
Dr. Ana Maria Rosu
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 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

  • depollution
  • water
  • soil
  • air
  • noise
  • materials
  • pollutants
  • remediation
  • sustainable
  • innovation

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Published Papers (1 paper)

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Research

28 pages, 8933 KiB  
Article
Clays as Dual-Function Materials for TNT Adsorption and Catalytic Degradation: An Experimental Approach
by Raluca Florenta Doroftei, Diana Mirila, Mihaela Silion, Daniela Ionita, Ana-Maria Rosu, Corneliu Munteanu, Bogdan Istrate, Gabriela Muntianu, Ana-Maria Georgescu and Ileana-Denisa Nistor
Materials 2025, 18(16), 3824; https://doi.org/10.3390/ma18163824 - 14 Aug 2025
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Abstract
This study explores the adsorption and catalytic degradation of 2,4,6-trinitrotoluene (TNT) from aqueous solutions, using montmorillonite-based catalysts. Commercially, montmorillonite K10 was modified through aluminum pillaring (K10-Al-PILC), followed by vanadium intercalation (K10-Al-PILC-V) and ozone activation. A novel aspect of this work is the use [...] Read more.
This study explores the adsorption and catalytic degradation of 2,4,6-trinitrotoluene (TNT) from aqueous solutions, using montmorillonite-based catalysts. Commercially, montmorillonite K10 was modified through aluminum pillaring (K10-Al-PILC), followed by vanadium intercalation (K10-Al-PILC-V) and ozone activation. A novel aspect of this work is the use of naturally contaminated water as the TNT source. The selected sample, collected from the Plaiul Arșiței–Cireșu–Leșunț region (Oituz, Bacau, Romania), originated from an area historically exposed to explosive residues, where TNT traces were previously identified. The adsorption performance of the materials was evaluated by varying adsorbent dosage, contact time, and solution pH. Catalytic ozonation experiments were conducted under different catalyst masses, ozone concentrations, and reaction times to assess degradation efficiency. The results demonstrated that aluminum pillaring significantly enhanced the adsorption capacity of the clay, while vanadium incorporation further improved both adsorption and catalytic activity. The vanadium-modified material exhibited superior performance in TNT removal, both through adsorption and oxidative degradation. Additionally, the catalytic ozonation process led to the formation of degradation products with reduced toxicity, confirming the potential of these materials for environmental remediation of nitroaromatic pollutants in real water systems. Full article
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