Assessment of solar photo-Fenton, photocatalysis, and H2O2 for removal of phytopathogen fungi spores in synthetic and real effluents of urban wastewater

M.I. Polo-López, M. Castro-Alférez, I. Oller, Pilar Fernandez-Ibanez

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Scarcity of fresh water is a major environmental problem, and properly treated wastewater could be analternative renewable water resource, especially for agriculture as the final point-of-use. But beforewastewater can be reused, it must be treated to meet chemical and biological quality standards, whichdepend on the final use and legislation. Advanced Oxidation Processes (AOPs) have been demonstratedto be very efficient in decreasing the pathogen load in contaminated water. This study presents the experimentalevaluation of several solar-driven AOPs, i.e., photo-Fenton (Fe2+, Fe3+) at low reagent concentration,heterogeneous photocatalysis (TiO2), and solar photoassisted H2O2 treatment for removal of thespores of Fusarium sp., a worldwide phytopathogen. The experimental work was done in a pilot solar photoreactorwith Compound Parabolic Collector (CPC). Disinfection of Fusarium solani spores by all treatmentswas excellent in distilled water, in simulated municipal wastewater effluent (SMWWE), and inreal municipal wastewater effluents (RMWWE). Degradation of dissolved organic carbon (DOC) was alsoevaluated. The inactivation rates varied depending on the water matrix, and disinfection was fastest indistilled water followed by SMWWE, and RMWWE. The best F. solani inactivation rate was with photo-Fenton treatment (10/20 mg/L of Fe2+/H2O2) at pH 3, followed by H2O2/Solar (10 mg/L) and finallyTiO2/Solar was the slowest. These results underline the importance of solar AOPs and the CPC reactortechnology as a good option for waterborne pathogen removal.
LanguageEnglish
Pages122-130
JournalChemical Engineering Journal
Volume257
Early online date16 Jul 2014
DOIs
Publication statusE-pub ahead of print - 16 Jul 2014

Fingerprint

Photocatalysis
Fungi
spore
Effluents
Wastewater
fungus
effluent
Water
wastewater
Disinfection
Pathogens
oxidation
disinfection
Oxidation
water
pathogen
renewable resource
Organic carbon
Water resources
Agriculture

Keywords

  • Fusarium sp.
  • Compound Parabolic Collector
  • Photo-Fenton
  • Solar radiation
  • Titanium dioxide
  • Wastewater reuse

Cite this

@article{37d91bafc7474173a1824f286c1b30a9,
title = "Assessment of solar photo-Fenton, photocatalysis, and H2O2 for removal of phytopathogen fungi spores in synthetic and real effluents of urban wastewater",
abstract = "Scarcity of fresh water is a major environmental problem, and properly treated wastewater could be analternative renewable water resource, especially for agriculture as the final point-of-use. But beforewastewater can be reused, it must be treated to meet chemical and biological quality standards, whichdepend on the final use and legislation. Advanced Oxidation Processes (AOPs) have been demonstratedto be very efficient in decreasing the pathogen load in contaminated water. This study presents the experimentalevaluation of several solar-driven AOPs, i.e., photo-Fenton (Fe2+, Fe3+) at low reagent concentration,heterogeneous photocatalysis (TiO2), and solar photoassisted H2O2 treatment for removal of thespores of Fusarium sp., a worldwide phytopathogen. The experimental work was done in a pilot solar photoreactorwith Compound Parabolic Collector (CPC). Disinfection of Fusarium solani spores by all treatmentswas excellent in distilled water, in simulated municipal wastewater effluent (SMWWE), and inreal municipal wastewater effluents (RMWWE). Degradation of dissolved organic carbon (DOC) was alsoevaluated. The inactivation rates varied depending on the water matrix, and disinfection was fastest indistilled water followed by SMWWE, and RMWWE. The best F. solani inactivation rate was with photo-Fenton treatment (10/20 mg/L of Fe2+/H2O2) at pH 3, followed by H2O2/Solar (10 mg/L) and finallyTiO2/Solar was the slowest. These results underline the importance of solar AOPs and the CPC reactortechnology as a good option for waterborne pathogen removal.",
keywords = "Fusarium sp., Compound Parabolic Collector, Photo-Fenton, Solar radiation, Titanium dioxide, Wastewater reuse",
author = "M.I. Polo-L{\'o}pez and M. Castro-Alf{\'e}rez and I. Oller and Pilar Fernandez-Ibanez",
year = "2014",
month = "7",
day = "16",
doi = "10.1016/j.cej.2014.07.016",
language = "English",
volume = "257",
pages = "122--130",
journal = "Chemical Engineering Journal",
issn = "1385-8947",
publisher = "Elsevier",

}

Assessment of solar photo-Fenton, photocatalysis, and H2O2 for removal of phytopathogen fungi spores in synthetic and real effluents of urban wastewater. / Polo-López, M.I.; Castro-Alférez, M.; Oller, I.; Fernandez-Ibanez, Pilar.

In: Chemical Engineering Journal, Vol. 257, 16.07.2014, p. 122-130.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Assessment of solar photo-Fenton, photocatalysis, and H2O2 for removal of phytopathogen fungi spores in synthetic and real effluents of urban wastewater

AU - Polo-López, M.I.

AU - Castro-Alférez, M.

AU - Oller, I.

AU - Fernandez-Ibanez, Pilar

PY - 2014/7/16

Y1 - 2014/7/16

N2 - Scarcity of fresh water is a major environmental problem, and properly treated wastewater could be analternative renewable water resource, especially for agriculture as the final point-of-use. But beforewastewater can be reused, it must be treated to meet chemical and biological quality standards, whichdepend on the final use and legislation. Advanced Oxidation Processes (AOPs) have been demonstratedto be very efficient in decreasing the pathogen load in contaminated water. This study presents the experimentalevaluation of several solar-driven AOPs, i.e., photo-Fenton (Fe2+, Fe3+) at low reagent concentration,heterogeneous photocatalysis (TiO2), and solar photoassisted H2O2 treatment for removal of thespores of Fusarium sp., a worldwide phytopathogen. The experimental work was done in a pilot solar photoreactorwith Compound Parabolic Collector (CPC). Disinfection of Fusarium solani spores by all treatmentswas excellent in distilled water, in simulated municipal wastewater effluent (SMWWE), and inreal municipal wastewater effluents (RMWWE). Degradation of dissolved organic carbon (DOC) was alsoevaluated. The inactivation rates varied depending on the water matrix, and disinfection was fastest indistilled water followed by SMWWE, and RMWWE. The best F. solani inactivation rate was with photo-Fenton treatment (10/20 mg/L of Fe2+/H2O2) at pH 3, followed by H2O2/Solar (10 mg/L) and finallyTiO2/Solar was the slowest. These results underline the importance of solar AOPs and the CPC reactortechnology as a good option for waterborne pathogen removal.

AB - Scarcity of fresh water is a major environmental problem, and properly treated wastewater could be analternative renewable water resource, especially for agriculture as the final point-of-use. But beforewastewater can be reused, it must be treated to meet chemical and biological quality standards, whichdepend on the final use and legislation. Advanced Oxidation Processes (AOPs) have been demonstratedto be very efficient in decreasing the pathogen load in contaminated water. This study presents the experimentalevaluation of several solar-driven AOPs, i.e., photo-Fenton (Fe2+, Fe3+) at low reagent concentration,heterogeneous photocatalysis (TiO2), and solar photoassisted H2O2 treatment for removal of thespores of Fusarium sp., a worldwide phytopathogen. The experimental work was done in a pilot solar photoreactorwith Compound Parabolic Collector (CPC). Disinfection of Fusarium solani spores by all treatmentswas excellent in distilled water, in simulated municipal wastewater effluent (SMWWE), and inreal municipal wastewater effluents (RMWWE). Degradation of dissolved organic carbon (DOC) was alsoevaluated. The inactivation rates varied depending on the water matrix, and disinfection was fastest indistilled water followed by SMWWE, and RMWWE. The best F. solani inactivation rate was with photo-Fenton treatment (10/20 mg/L of Fe2+/H2O2) at pH 3, followed by H2O2/Solar (10 mg/L) and finallyTiO2/Solar was the slowest. These results underline the importance of solar AOPs and the CPC reactortechnology as a good option for waterborne pathogen removal.

KW - Fusarium sp.

KW - Compound Parabolic Collector

KW - Photo-Fenton

KW - Solar radiation

KW - Titanium dioxide

KW - Wastewater reuse

U2 - 10.1016/j.cej.2014.07.016

DO - 10.1016/j.cej.2014.07.016

M3 - Article

VL - 257

SP - 122

EP - 130

JO - Chemical Engineering Journal

T2 - Chemical Engineering Journal

JF - Chemical Engineering Journal

SN - 1385-8947

ER -