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2022-06-22
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info:eu-repo/semantics/openAccess
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Resumen
The development of effective disinfection treatment processes is crucial to help the water industry cope with the inevitable challenges resulting from the increase in human population and climate change. Climate change leads to heavy rainfall, flooding and hot weather events that are associated with waterborne diseases. Developing effective treatment technologies will improve our resilience to cope with these events and our capacity to safeguard public health. A submerged hybrid reactor was used to test the efficiency of membrane filtration, direct photolysis (using ultraviolet-C low-pressure mercury lamps, as well as ultraviolet-C and ultraviolet-A light-emitting diodes panels) and the combination of both treatment processes (membrane filtration and photolysis) to retain and inactivate water quality indicator bacteria. The developed photocatalytic membranes effectively retained the target microorganisms that were then successfully inactivated by photolysis and advanced oxidation processes. The new hybrid reactor could be a promising approach to treat drinking water, recreational water and wastewater produced by different industries in small-scale systems. Furthermore, the results obtained with membranes coated with titanium dioxide and copper combined with ultraviolet-A light sources show that the process may be a promising approach to guarantee water disinfection using natural sunlight.
Descripción
The registered version of this article, first published in Catalysts, 12(7), is available online at the publisher's website: https://doi.org/10.3390/catal12070680
La versión registrada de este artículo, publicado por primera vez en Catalysts, 12(7), está disponible en línea en el sitio web del editor: https://doi.org/10.3390/catal12070680
This work was funded by Fundação para a Ciência e a Tecnologia/Ministério da Ciência, Tecnologia e Ensino Superior (FCT/MCTES, Portugal) through the project PTDC/EAM-AMB/30989/2017, the fellowship SFRH/BD/111150/2015, iNOVA4Health (UIDB/04462/2020 and UIDP/04462/2020), the Associate Laboratory LS4FUTURE (LA/P/0087/2020), and the Associate Laboratory for Green Chemistry–LAQV (UIDB/50006/2020 and UIDP/50006/2020). Funding from INTERFACE Programme, through the Innovation, Technology and Circular Economy Fund (FITEC), is gratefully acknowledged.
La versión registrada de este artículo, publicado por primera vez en Catalysts, 12(7), está disponible en línea en el sitio web del editor: https://doi.org/10.3390/catal12070680
This work was funded by Fundação para a Ciência e a Tecnologia/Ministério da Ciência, Tecnologia e Ensino Superior (FCT/MCTES, Portugal) through the project PTDC/EAM-AMB/30989/2017, the fellowship SFRH/BD/111150/2015, iNOVA4Health (UIDB/04462/2020 and UIDP/04462/2020), the Associate Laboratory LS4FUTURE (LA/P/0087/2020), and the Associate Laboratory for Green Chemistry–LAQV (UIDB/50006/2020 and UIDP/50006/2020). Funding from INTERFACE Programme, through the Innovation, Technology and Circular Economy Fund (FITEC), is gratefully acknowledged.
Categorías UNESCO
Palabras clave
surface water, water quality indicators, disinfection, photolysis, photocatalyticmembrane reactor
Citación
Marques, A. P., Huertas, R., Bernardo, J., Oliveira, B., Crespo, J. G., & Pereira, V. J. (2022). Retention and Inactivation of Quality Indicator Bacteria Using a Photocatalytic Membrane Reactor. Catalysts, 12(7). https://doi.org/10.3390/CATAL12070680
Centro
Facultad de Ciencias
Departamento
Ciencias y Técnicas Fisicoquímicas