A5072814275- TiO2 Photocatalysis and Solar Cells
- Advanced Photocatalysis Techniques
- Advanced oxidation water treatment
- Water Quality Monitoring and Analysis
- Gas Sensing Nanomaterials and Sensors
- Solar-Powered Water Purification Methods
- Effects and risks of endocrine disrupting chemicals
- Nanomaterials for catalytic reactions
- Advanced Nanomaterials in Catalysis
- Microplastics and Plastic Pollution
- Pharmaceutical and Antibiotic Environmental Impacts
University of Coimbra
2019-2025
Parabens are widely used in different industries as preservatives and antimicrobial compounds. The evolution of analytical techniques allowed the detection these compounds sources at µg/L ng/L. Until today, parabens were already found water sources, air, soil even human tissues. impact humans, animals ecosystems a matter discussion within scientific community, but it is proven that can act endocrine disruptors, some reports suggest they carcinogenic presence mainly related to wastewater...
Self-organized TiO2 nanotubes (TNT) with 4 µm length were obtained by anodization method and calcined to obtain an anatase crystallite phase. The photocatalysts further decorated Au, Ag, Pt or Pd nanoparticles (NPs), varying the metal loads (0.50, 0.75, 1, 2 5 mol%) photodeposition. material characterization confirmed presence of in TNTs surface, signs localized surface plasmon resonance (LSPR) effect for some samples a bandgap energy 3.1-3.2 eV. Photoluminescence measurements also that most...
WO3 nanoflowers were synthesized via anodization and subsequently calcined in air at different temperatures (200–700 °C) to evaluate their photocatalytic activity. The samples characterized terms of morphological, crystallite, optical properties. Anodization produced hydrate with a layer thickness ~1.2 µm, which was transformed into after heating. All exhibited monoclinic phase, Raman shift intensity increasing the calcination temperature. Some residual WO3·H2O detected certain temperatures....
Water scarcity represents a problem for billions of people and is expected to get worse in the future. To guarantee people’s water needs, use “first-hand water” or reuse wastewater must be done. Wastewater treatment are favorable this purpose, since first-hand scarce economic needs exploration type increasing. In treatment, it important remove contaminants emerging concern, as well pathogenic agents. Parabens used daily products preservatives detected different sources. These compounds...
Abstract Untreated swine wastewater (SW) discharge leads to serious consequences such as water quality decreasing related eutrophication and proliferation of harmful algae containing cyanotoxins, which can cause acute intoxication in humans. The use untreated pig farming effluent fertilizer lead the accumulation polluting compounds. Biological treatments degrade organic matter but have disadvantage requiring large areas high retention times demonstrating low efficiencies degradation...
Swine wastewater (SW) was treated using industrial wastes as raw materials in a pre-treatment process (coagulation or adsorption), followed by continuous heterogeneous Fenton reaction. Before the treatment conducted operation, two different batch optimization strategies were evaluated, which effects of H2O2 concentration and pH studied. The results show that excessive same behavior, regardless whether is 3 7.5, while at low concentrations, acidic improves chemical oxygen demand (COD) removal...