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Advanced Materials for the Catalytic Removal of Emerging Pollutants from Water

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 15 June 2026 | Viewed by 444

Special Issue Editors


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Guest Editor
Faculty of Physics, University of Rijeka, Radmile Matejčić 2, 51000 Rijeka, Croatia
Interests: photocatalysis; thin films; advanced oxidation technologies; metal oxides; carbon-based composites

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Guest Editor
Faculty of Physics, University of Rijeka, Radmile Matejčić 2, 51000 Rijeka, Croatia
Interests: scanning electron microscopy; surface science; thin films; photocatalysis

E-Mail Website
Guest Editor
Faculty of Physics, University of Rijeka, Radmile Matejčić 2, 51000 Rijeka, Croatia
Interests: X-ray photoelectron spectroscopy; surface science; thin films; photocatalysis; secondary ion mass spectrometry

Special Issue Information

Dear Colleagues,

Clean water is one of the most essential natural resources on Earth, and people worldwide are facing a shortage of potable water. Conversely, wastewater can be regarded as a valuable resource if treated appropriately. Water recovery is a vital aspect of sustainable development, transforming wastewater into a source of valuable resources. With ongoing advancements in materials science, process engineering, and interdisciplinary approaches, wastewater treatment technologies represent a crucial challenge for future green and sustainable development and technological innovation through collaboration between academia and the industrial sector.

Researchers engaged in synthesis processes, developing advanced and efficient (nano)materials, optimizing techniques, and removing environmental pollutants of global concern are invited to submit their manuscripts for consideration in this Special Issue of Water. This Special Issue aims to tackle urgent issues related to the contamination of natural water resources and the treatment and reuse of wastewater through innovative solutions for aquatic environments. Contributing to this Special Issue provides a unique opportunity to address key challenges and explore innovative research directions within these rapidly evolving technologies. The Special Issue, titled “Advanced Materials for the Catalytic Removal of Emerging Pollutants from Water”, welcomes original research contributions as well as review papers.

Dr. Martina Kocijan
Dr. Ivna Kavre Piltaver
Dr. Robert Peter
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 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. Water 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 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

  • photocatalysis
  • wastewater treatment
  • advanced oxidation technologies
  • green and sustainable catalysis
  • heterojunction
  • structure modification
  • structure characterization
  • visible light application
  • degradation mechanism investigation
  • environmental application, technology scale-up

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Published Papers (1 paper)

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Research

24 pages, 4517 KB  
Article
A Comparative Study of the Adsorption of Industrial Anionic Dyes with Bone Char and Activated Carbon Cloth
by Samuel Aguirre-Contreras, María Victoria López-Ramón, Inmaculada Velo-Gala, Miguel Ángel Álvarez-Merino, Angélica Aguilar-Aguilar and Raúl Ocampo-Pérez
Water 2025, 17(23), 3422; https://doi.org/10.3390/w17233422 - 1 Dec 2025
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Abstract
This study presents a comparative analysis of the adsorption behavior of three industrial ionic dyes—Indigo Carmine (IC), Congo Red (CR), and Evans Blue (EB)—using two adsorbent materials with distinct physicochemical and textural properties: bone char (BC) and activated carbon cloth (ACC). The main [...] Read more.
This study presents a comparative analysis of the adsorption behavior of three industrial ionic dyes—Indigo Carmine (IC), Congo Red (CR), and Evans Blue (EB)—using two adsorbent materials with distinct physicochemical and textural properties: bone char (BC) and activated carbon cloth (ACC). The main objective was to evaluate and compare the adsorption equilibrium and kinetics of these dyes on both materials. Equilibrium behavior was analyzed using the Prausnitz–Radke isotherm model, while adsorption kinetics were evaluated using PVSDM. The results showed that adsorption onto BC was primarily driven by electrostatic interactions, enhanced by the presence of hydroxyapatite. The maximum adsorbed amounts were determined to be 0.296, 0.107, and 0.0614 mmol g−1 for CR, IC, and EB, respectively. In contrast, adsorption on ACC was influenced by both electrostatic and hydrophobic forces due to its carbonaceous composition. IC exhibited significantly higher adsorption on ACC (1.087 mmol g−1), whereas CR and EB only 0.269 mmol g−1 and 0.028 mmol g−1, respectively. Kinetic studies revealed that intraparticle transport was the rate-limiting step across all systems. Specifically, pore volume diffusion controlled the adsorption rate on ACC, with mean diffusion coefficients of 9.72 × 10−8, 1.83 × 10−9, and 1.48 × 10−10 cm2 s−1 for IC, CR and EB, respectively. Conversely, for BC, adsorption surface diffusion played a dominant role in the adsorption of IC and CR, with mean diffusion coefficients of 1.62 × 10−9 and 7.28 × 10−10 for IC and CR, respectively. These findings underscore the importance of considering both equilibrium and kinetic parameters in the design of efficient wastewater treatment systems. Full article
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