Dataset Information

Integrated full-scale solar CPC/UV-LED-filtration system as a tertiary treatment in a conventional WWTP for agricultural reuse purposes.

ABSTRACT: Today, the emergence of increasingly restrictive treatment and reuse policies make the implementation of full-scale tertiary treatment, capable of improving the quality of water, a priority. Full-scale TiO₂ photocatalysis systems are resulting in a promising option, since TiO₂ is commercially available. However, questions such as how to work continuously during day/night irradiation cycle, or the removing of TiO₂ in outlet flow are still unresolved. In this work, a full-scale system integrating a solar CPC/UV-LED step combined with commercial microfiltration membranes was installed in a conventional WWTP for agricultural reuse purposes. After optimization, 0.5 g/L of catalyst and combined SOLAR + UV-LED showing the highest pharmaceutical removal percentages, while a self-designed UV-LED included in the own reaction tank resulting in higher efficiencies compared with commercial lamps. Longer membrane surface area decreased fouling problems in the system. However, 60 min of irradiation time was necessary to reach the most restrictive water quality values according with (EU 2020/741). After optimization step, total costs were reduced by 45%. However, it was shown that a reduction in operating and maintenance costs, along with the development of more effective and economical commercial filtration membranes is a key factor; therefore, working on these aspects is essential in the treated water cost reduction.

SUBMITTER: Ponce-Robles L

PROVIDER: S-EPMC9676787 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Integrated full-scale solar CPC/UV-LED-filtration system as a tertiary treatment in a conventional WWTP for agricultural reuse purposes.

Ponce-Robles L L Mena E E Diaz S S Pagán-Muñoz A A Lara-Guillén A J AJ Fellahi I I Alarcón J J JJ

Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 20221119 3

Today, the emergence of increasingly restrictive treatment and reuse policies make the implementation of full-scale tertiary treatment, capable of improving the quality of water, a priority. Full-scale TiO2 photocatalysis systems are resulting in a promising option, since TiO2 is commercially available. However, questions such as how to work continuously during day/night irradiation cycle, or the removing of TiO2 in outlet flow are still unresolved. In this work, ...[more]

PMID: 36401770

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Dataset Information

Integrated full-scale solar CPC/UV-LED-filtration system as a tertiary treatment in a conventional WWTP for agricultural reuse purposes.

Publications

Integrated full-scale solar CPC/UV-LED-filtration system as a tertiary treatment in a conventional WWTP for agricultural reuse purposes.

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