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Recent Development of Nanomaterials for Wastewater Treatment and Sustainable Environmental Protection

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Environmental Sustainability and Applications".

Deadline for manuscript submissions: 28 October 2025 | Viewed by 1648

Special Issue Editors


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Guest Editor
Department of Technology of Inorganic Substances and Ecology, Ukrainian State University of Chemical Technology, Dnipro, Ukraine
Interests: environmental protection; wastewater treatment; ferritization; magnetic composites; ferrites

E-Mail Website
Guest Editor
Department of Technology of Inorganic Substances and Ecology, Ukrainian State University of Chemical Technology, Dnipro, Ukraine
Interests: environmental protection, green energy, composites

Special Issue Information

Dear Colleagues,

An in-depth study of nano-dispersed materials and the composite compounds based on them has shown promise in their use in the latest environmental technologies. Modern challenges concern water purification not only from traditional pollutants, but also heavy metals, suspended particles, nitrates and phosphates. Challenges relating water purification from organic substances such as microplastics, pesticides, surfactants, phenols and their derivatives, are coming to the fore. The use of nanomaterials opens up opportunities for the neutralization of particularly dangerous organic pollutants. The advent of modern photocatalysts has opened a new era in wastewater treatment. The use of adsorbents synthesized based on nanoparticles and membrane technologies using modern materials has also posed several problems for technologists and materials scientists. Today, the problems of targeted synthesis of nano-sized compounds with complex structures are becoming more acute due to the wide industrial demand. Along with the size factor, the macro- and microstructure of nanoparticles plays an equally important role. However, the most common methods for their preparation have disadvantages that lead to fluctuations in quality and, for the most part, do not provide the controlled synthesis of inorganic systems with predictable properties.

Green energy is also an important issue related to sustainable development. The development of nanomaterials for use as catalysts for the synthesis of hydrogen and oxygen, including via electrochemical means, is very important. However, the problem of domestic wastewater treatment is in the foreground. Cleaning gas emissions is now impossible without the use of nanomaterials. One of the promising sources of raw materials today is industrial waste.

Thus, the potential range of issues addressed in the collection includes the following:

  • Advanced nanotechnologies and properties of nanomaterials;
  • Adsorbents, nanocomposites and production technologies, and their properties;
  • Nanoplastics for methods of neutralization;
  • Membrane cleaning methods using nanomaterials;
  • Electrocatalysts and their use in green energy;
  • Nanotechnology and light pollution;
  • Purification of gas emissions;
  • Recycling of solid industrial waste to obtain nanomaterials.

Dr. Liliya Frolova
Dr. Butyrina Tetiana
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. Sustainability 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

  • photocatalysis
  • synthesis and application of nanomaterials
  • green energy
  • microplastic
  • adsorbents
  • recycling

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Published Papers (1 paper)

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Research

18 pages, 3212 KiB  
Article
Sustainable Green Synthesis of ZnO Nanoparticles from Bromelia pinguin L.: Photocatalytic Properties and Their Contribution to Urban Habitability
by Manuel de Jesus Chinchillas-Chinchillas, Horacio Edgardo Garrafa Galvez, Victor Manuel Orozco Carmona, Hugo Galindo Flores, Jose Belisario Leyva Morales, Mizael Luque Morales, Mariel Organista Camacho and Priscy Alfredo Luque Morales
Sustainability 2024, 16(23), 10745; https://doi.org/10.3390/su162310745 - 7 Dec 2024
Viewed by 1307
Abstract
Aguama (Bromelia pinguin L.), a plant belonging to the Bromeliaceae family, possesses a rich content of organic compounds historically employed in traditional medicine. This research focuses on the sustainable synthesis of ZnO nanoparticles via an eco-friendly route using 1, 2, and 4% [...] Read more.
Aguama (Bromelia pinguin L.), a plant belonging to the Bromeliaceae family, possesses a rich content of organic compounds historically employed in traditional medicine. This research focuses on the sustainable synthesis of ZnO nanoparticles via an eco-friendly route using 1, 2, and 4% of Aguama peel extract. This method contributes to environmental sustainability by reducing the use of hazardous chemicals in nanoparticle production. The optical properties, including the band gap, were determined using the TAUC model through Ultraviolet–Visible Spectroscopy (UV–Vis). The photocatalytic activity was evaluated using three widely studied organic dyes (methylene blue, methyl orange, and rhodamine B) under both solar and UV radiation. The results demonstrated that the ZnO nanoparticles, characterized by a wurtzite-type crystalline structure and particle sizes ranging from 68 to 76 nm, exhibited high thermal stability and band gap values between 2.60 and 2.91 eV. These nanoparticles successfully degraded the dyes completely, with methylene blue degrading in 40 min, methyl orange in 70 min, and rhodamine B in 90 min. This study underscores the potential of Bromelia pinguin L. extract in advancing sustainable nanoparticle synthesis and its application in environmental remediation through efficient photocatalysis. Full article
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