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Water Treatment Using Nanomaterials and Nanotechnology

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

Deadline for manuscript submissions: closed (20 November 2024) | Viewed by 1299

Special Issue Editors


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Guest Editor
Department of Civil, Building and Environmental Engineering DICEA, Sapienza University of Rome, Rome, Italy
Interests: treatment and remediation technologies for contaminated sites; fate and removal of emerging contaminants in environment; sustainable reactive material for the removal of pollutants from contaminated waters and soils
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Civil, Constructional and Environmental Engineering (DICEA), Sapienza University of Rome, 00184 Rome, Italy
Interests: groundwater pollution; long term contamination sources; transport processes in soil and subsoil; unsaturated zone; NAPL
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Civil and Industrial Engineering, Department of Civil, Constructional and Environmental Engineering (DICEA), Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
Interests: biochar; adsorption; biodegradation; endocrine disrupters; wastewater treatment; emerging contaminants; illicit drugs; back-diffusion; numerical model; wastewater treatment plants; carbon footprint
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

A new advancement for water treatment is represented by using nanomaterials, which, if appropriately controlled and managed in their application, constitute an efficient means to decontaminate environmental matrices containing organic or inorganic contaminants. These materials make it possible to satisfy the principles of the circular economy, with the possibility of recovering and therefore reusing them, due to their high effectiveness in decontamination.

In fact, nanomaterials, given their nanometric scale, have numerous properties that make them superior to other commercial materials more widely used until now, such as a high surface/volume ratio, a greater adsorption capacity, catalytic activity, high reactivity, and a larger number of active sites available for interactions with different chemical species.

Therefore, this Special Issue of Water titled “Water Treatment Using Nanomaterials and Nanotechnology” intends to draw attention to and assess recent advances in the production process and application of selected nanomaterials, as well as the use of nanotechnology, for water treatment. Furthermore, this Special Issue aims to contribute to this topical area of research that will foster a more resilient and safer environment.

This Special Issue will be open for submissions from 20 November 2024. Accepted papers will be published rapidly and will be listed together on the Special Issue website.

We are looking forward to receiving your contributions.

Prof. Dr. Boni Maria Rosaria
Dr. Paolo Viotti
Dr. Simone Marzeddu
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. 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

  • adsorption
  • advanced materials
  • carbon materials
  • climate change
  • emerging contaminants
  • environmental re-mediation
  • nanocomposites
  • nanomaterials
  • nanostructures
  • nanotechnology
  • photocatalysis
  • water treatment
  • wastewater treatment

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Published Papers (1 paper)

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Research

19 pages, 7132 KiB  
Article
Green Synthesis of Sustainable and Cost-Effective TiO2-SiO2-Fe2O3 Heterojunction Nanocomposites for Rhodamine B Dye Degradation Under Sunlight
by Sara Oumenoune Tebbi, Abdeltif Amrane, Reguia Boudraa, Jean-Claude Bollinger, Stefano Salvestrini, Muhammad Imran Kanjal, Ammar Tiri, Lazhar Belkhiri, Maymounah N. Alharthi and Lotfi Mouni
Water 2025, 17(2), 168; https://doi.org/10.3390/w17020168 - 10 Jan 2025
Viewed by 979
Abstract
TiO2-SiO2-Fe2O3 heterojunction using the ceramic technique was used in this study to investigate its effectiveness as a photocatalyst for Rhodamine B (RhB) dye degradation. Structural, optical, and morphological characterizations of the synthesized materials were carried out [...] Read more.
TiO2-SiO2-Fe2O3 heterojunction using the ceramic technique was used in this study to investigate its effectiveness as a photocatalyst for Rhodamine B (RhB) dye degradation. Structural, optical, and morphological characterizations of the synthesized materials were carried out by X-ray diffraction (XRD), photoluminescence analysis (PL), scanning electron microscopy (SEM-EDS), and diffuse reflectance spectroscopy (DRS) to calculate the gap energy. In addition, a degradation rate of around 97% was obtained at a pH of 8, an initial RhB concentration of 10 mg·L−1, a TS-1F semiconductor dosage of 1 g·L−1, and a reaction time of 210 min. The ability of photocatalysis to degrade RhB at different ratios, pH, and with/without H2O2 in aqueous media was evaluated under UV light, visible light (250 W), and sunlight. When it comes to the degradation of RhB under visible light (250 W) and sunlight, respectively, the influence of the np junction showed promising results for the degradation of RhB. In contrast, there was no discernible photocatalytic activity under UV light, which proves that the absorbance switched from UV to visible, demonstrating the decrease in the band gap energy. Additionally, an analysis of the procedure’s cost-effectiveness and reusability through an economic study revealed that the synthesized material was interesting in terms of both cost and sustainability. Full article
(This article belongs to the Special Issue Water Treatment Using Nanomaterials and Nanotechnology)
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