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Advances in Nanotechnology for Pollutant Degradation

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Environmental Nanoscience and Nanotechnology".

Deadline for manuscript submissions: closed (23 January 2026) | Viewed by 2002

Special Issue Editor


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Guest Editor
Department of Environmental Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
Interests: physical and chemical control technology; water pollution control; new environmental functional materials; environmental functional materials development; application of new materials; pollution control application

Special Issue Information

Dear Colleagues,

Adsorption and catalytic oxidation processes have emerged as a promising technology for water and wastewater treatment. Adsorption technology efficiently removes pollutants from water through materials and is an economical and environmentally friendly purification method in water treatment. Additionally, catalytic oxidation processes generate highly reactive radicals—such as hydroxyl (·OH), sulfate (SO4·⁻), chlorine (Cl·), and nitrogen (·NO2) radicals—which efficiently degrade a wide spectrum of refractory organic pollutants (including emerging contaminants) and certain inorganic compounds.

Although adsorption technology can effectively remove pollutants in water treatment, it has limitations such as the need for the regeneration or replacement of adsorbents when they become saturated, high treatment costs, and poor selectivity for some dissolved pollutants. Additionally, the efficacy of catalytic oxidation hinges on the controlled production and utilization of these reactive radicals. However, practical implementation faces challenges, including reaction mechanism, the formation of harmful byproducts, and scalability issues.

This Special Issue aims to advance the understanding and application of adsorption and catalytic oxidation processes by focusing on the following topics:

  • Development of adsorbent;
  • Catalytic materials and mechanistic studies;
  • Large-scale or potential large-scale deployment for water/wastewater/groudwatwer/soil treatment;
  • Advanced catalytic systems, including ozone-, UV-, H2O2-, Cl2-, and persulfate-based oxidation; membrane-assisted catalysis; electrocatalysis; and photocatalysis.

We invite submissions of original research articles, comprehensive reviews, and short communications on these topics.

Dr. Shangyi Li
Guest Editor

Manuscript Submission Information

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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. Nanomaterials is an international peer-reviewed open access semimonthly 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 2400 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

  • water and wastewater treatment
  • adsorption technology
  • advanced catalytic oxidation
  • catalytic materials
  • groudwatwer treatment
  • large-scale deployment

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Published Papers (1 paper)

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Research

21 pages, 8040 KB  
Article
Functionalization of Microfiltration Media Towards Catalytic Hydrogenation of Selected Halo-Organics from Water
by Subrajit Bosu, Samuel S. Thompson, Doo Young Kim, Noah D. Meeks and Dibakar Bhattacharyya
Nanomaterials 2026, 16(1), 14; https://doi.org/10.3390/nano16010014 - 22 Dec 2025
Viewed by 1800
Abstract
Contaminated water detoxification remains difficult due to the presence of persistent halo-organic contaminants, such as perfluorooctanoic acid (PFOA) and chlorophenols, which are chemically stable and resist conventional purification methods. Functionalized membrane-based separation and decontamination have garnered immense attention in recent years. Commercially available [...] Read more.
Contaminated water detoxification remains difficult due to the presence of persistent halo-organic contaminants, such as perfluorooctanoic acid (PFOA) and chlorophenols, which are chemically stable and resist conventional purification methods. Functionalized membrane-based separation and decontamination have garnered immense attention in recent years. Commercially available microfiltration membrane (PVDF) and polymeric non-woven fiber filters (glass and composite) are functionalized with poly(methacrylic acid) (PMAA) that shows outstanding pH-responsive performance and tunable water permeability under ambient conditions perfect for environmental applications. Polymer loading based on weight gain measurements on PMAA–microglass composite fibers (137%) and microglass fibers (116%) confirmed their extent of functionalization, which was significantly greater than that of PVDF (25%) due to its widely effective pore diameter. Presence of chemically active hydrogel within PVDF matrix was validated by FTIR (hydroxyl/carbonyl) stretch peak, substantial decrease in contact angle (68.8° ± 0.5° to 30.8° ± 1.9°), and decrease in pure water flux from 509 to 148 LMH/bar. Nanoparticles are generated both in solution and within PVDF using simple redox reactions. This strategy is extended to PVDF-PMAA membranes, which are loaded with Fe/Pd nanoparticles for catalytic conversion of 4-chlorophenol and PFOA, forming Fe/Pd-PVDF-PMAA systems. A total of 0.25 mg/L Fe/Pd nanoparticles synthesized in solution displayed alloy-type structures and demonstrated a strong catalytic performance, achieving complete hydrogenation of 4-chlorophenol to phenol and 67% hydrogenation of PFOA to its reduced form at 22–23 °C with ultrapure hydrogen gas supply at pH 5.7. These results underscore the potential of hybrid polymer–nanoparticle systems as a novel remediation strategy, integrating tunable separation with catalytic degradation to overcome the limitations of conventional water treatment methods. Full article
(This article belongs to the Special Issue Advances in Nanotechnology for Pollutant Degradation)
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