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Catalysts
Special Issues
Advanced Oxidation Catalysis and Sustainable Technologies for Water Purification
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Advanced Oxidation Catalysis and Sustainable Technologies for Water Purification

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

Deadline for manuscript submissions: 30 July 2025 | Viewed by 1184

Special Issue Editor

Dr. Huanxuan Li

E-Mail Website
Guest Editor
College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, China
Interests: metal–organic frameworks; nanocatalysts; advanced oxidation processes; radical and non-radical degradation; catalytic mechanism
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As a global environmental issue of great concern, water pollution caused by various organic compounds has become increasingly serious and has received considerable attention. Catalysts of advanced oxidation and sustainable technologies involving ozone-, peroxide-, photo-, electro-, catalyst-, and Fenton-based chemical oxidation processes have shown impressive growth in recent years. Oxidants could be activated by various catalysts to generate different kinds of reactive oxygen species, which are highly effective in degrading or removing pollutants.

This Special Issue aims to cover recent progress and new developments in the novel catalysis of advanced oxidation and sustainable technologies including, but not limited to, the synthesis and application of active catalysts for chemical oxidation treatments, the combination of catalytic oxidation with other physical adsorption/separation or biological treatments, the evaluation of oxidation mechanisms, understanding of oxidation byproduct formation, and toxicity evolution. All aspects above are covered by different approaches, such as advanced experimental techniques, analytical modeling, numerical implementation, and different verifications and applications. Review articles which describe the current state of the art are also welcomed.

Dr. Huanxuan Li
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 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

  • advanced oxidation process
  • water purification
  •  wastewater treatment
  • organic pollutants
  • peroxymonosulfate
  • catalysts
  • DFT calculations
  • degradation mechanisms
  • persulfate
  • hydrogen peroxide

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Published Papers (1 paper)

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Research

15 pages, 4259 KiB  
Article
Mixed Metal Oxide Derived from Polyoxometalate-Based Metal–Organic Framework as a Bi-Functional Heterogeneous Catalyst for Wastewater Treatment
by Zi-Qing Liu, Jian-Ying Long, Xiang Mei and Bao-Li Fei
Catalysts 2025, 15(1), 76; https://doi.org/10.3390/catal15010076 - 15 Jan 2025
Cited by 1 | Viewed by 841
Abstract
The efficient removal of dyes and Cr(VI) from wastewater is imperative. Therefore, a mixed metal oxide CuMoV(450) derived from a polyoxometalate-based metal–organic framework (POMOF) [Cu(2,2′-bipy)][Cu(2,2′-bipy)2]2[PMo8V6O42]•2H2O (CuMoV) was synthesized by [...] Read more.
The efficient removal of dyes and Cr(VI) from wastewater is imperative. Therefore, a mixed metal oxide CuMoV(450) derived from a polyoxometalate-based metal–organic framework (POMOF) [Cu(2,2′-bipy)][Cu(2,2′-bipy)2]2[PMo8V6O42]•2H2O (CuMoV) was synthesized by calcination, fully characterized by XRD, XPS, FT-IR, and SEM methods, and explored for the heterogeneous catalytic degradation of methylene blue (MB) dye and the catalytic reduction of Cr(VI) in aqueous media over NaBH4 under mild conditions. The removal rates for MB and Cr(VI) were 95.9% (30 min) and 96.5% (2.0 min), respectively. The pseudo-first-order rate constants of MB degradation and Cr(VI) reduction were 0.093 min−1 and 1.536 min−1, respectively. The highly catalytic reusability of CuMoV(450) was confirmed by the recycling experiments. Moreover, the possible mechanisms of MB degradation and Cr(VI) reduction were proposed. The catalytic activities of CuMoV(450) were much better than those of its parent compound CuMoV, proving that POMOFs were good candidates for the preparation of mixed metal oxides with excellent catalytic performances. This work not only indicates that CuMoV(450) has the potential to be a satisfied catalyst for wastewater remediation via catalytic degradation and reduction, but also gives a clue to synthesize mixed metal oxides with excellent catalytic properties by the calcination of POMOFs. Full article
(This article belongs to the Special Issue Advanced Oxidation Catalysis and Sustainable Technologies for Water Purification)
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