Nanomaterials and Nanocomposites Membranes for Water Purification and Assessment of Potential Ecotoxicity

Dear Colleagues,

Water contamination is one of the most critical environmental issues and is a significant challenge for humanity. European sources highlight how contaminated water leads to a considerable number of deaths annually. In Europe alone, an estimated 14,000 premature deaths are linked to water pollution, primarily due to pathogens and harmful chemicals like pesticides and heavy metals​ (Forever Pollution and Water Europe)​.

The persistent use of harmful contaminants in various human activities severely threatens aquatic organisms and humans. The obsolescence of traditional water and wastewater treatment plants exacerbates this issue, as they are often ineffective against many emerging pollutants.

To address these deficiencies, developing advanced nanomaterials alongside nanocomposite membranes for water matrix decontamination is imperative. Nanocomposite membranes, which combine nanoparticles, nanotubes, and metallic organic frameworks with several polymers/ceramics, may offer enhanced properties due to their synergistic effects. These advanced materials exhibit higher mechanical stability, allowing for their reuse and avoiding the release of nanomaterials into water bodies (when used in suspension), making the overall water remediation process cost-effective and less time-consuming. A comprehensive investigation into the ecotoxicity of nanomaterials is essential. This research will determine whether the produced materials are harmful to aquatic organisms and elucidate their impact on ecosystems, food chains, and potential bioaccumulation.

This Special Issue will focus on the following topics, but is not limited to them:

• The novel synthesis, characterization, and application of nanomaterials and nanocomposite membranes in water matrix decontamination;
• Nanocomposite membranes for filtration, photocatalytic, adsorptive, and filtration applications;
• Multifunctional nanomaterials (e.g., antimicrobial/antifouling) for water decontamination and disinfection;
• Nanomaterials’ and nanocomposite membranes’ reusability, recyclability, and second life assessments;
• Ecotoxicity and life cycle assessments of all types of nanomaterials and nanocomposite membranes.

Prof. Dr. Fernanda Cássio
Dr. Pedro Manuel Martins
Guest Editors

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• nanomaterials
• photocatalytic nanoparticles
• nanosorbents
• nanocomposite membranes, ecotoxicity
• eco-physiology
• sustainability