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Treatment of irrigation water infested with nematodes using a solar photoreactor

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Date
2020
Author(s)
Inga López, Jesarella
Meza Contreras, Víctor
Rodríguez Delfín, Alfredo
Ponce Álvarez, Silvia
Paredes Larroca, Fabricio Humberto
Quino Favero, Javier
Eyzaguirre Pérez, Raúl
Saettone Olschewski, Erich Arturo
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Abstract
The objective of this study was to assess the efficacy of the disinfection of irrigation water loaded with the plant-parasitic nematode Meloidogyne incognita using a solar photoreactor. The photoreactor was comprised of a compound parabolic concentrator and a disinfection chamber made of boro-silicate glass where a static mixer coated or uncoated with TiO2 was installed. Water loaded with M. incognita was exposed to solar radiation within the reactor and recirculated while accumulated ultraviolet (UV) energy was registered. It was determined that an accumulated UV solar energy of 72 kJ/L inhibited the motility of juveniles while accumulated energy of 215 kJ/L was necessary to inhibit the egg hatching. Plants of lettuce irrigated with the treated water showed significantly less nodulation, higher air-dry weight and root dry-weight compared with the control group. No significant differences were found using the static mixer either coated with TiO2 or uncoated. © 2020 Desalination Publications.
URI
https://hdl.handle.net/20.500.12724/9952
DOI
https://doi.org/10.5004/dwt.2020.24842
How to cite
Inga López, J., Meza Contreras, V., Rodríguez Delfín, A., Ponce Álvarez, S., Paredes Larroca, F., Eyzaguirre Pérez, R., Quino Favero, J., & Saettone Olschewski, E. (2020). Treatment of irrigation water infested with nematodes using a solar photoreactor. Desalination and Water Treatment, 174(2020),161-170. https://doi.org/10.5004/dwt.2020.24842
Publisher
Desalination Publications
Area / Line of research
Calidad de vida y bienestar / Saneamiento
Category / Subcategory
Pendiente / Pendiente
Subject
Aguas para riego
Tratamiento del agua
Nematodos
Energía fotovoltaica
Irrigation water
Water treatment
Nematodes
Photovoltaic energy
Journal
Desalination and Water Treatment
ISSN
1944-3994
Note
Indexado en Scopus
Collections
  • Ingeniería Industrial [93]


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