Solar disinfection of fungal spores in water aided by low concentrations of hydrogen peroxide

M. I. Polo-López, I. García-Fernández, I. Oller, P Fernandez Ibanez

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52 Citations (Scopus)


Our previous contribution showed that Fusarium solani spores are inactivated by low amounts of hydrogen peroxide (lower than 50 mg L-1) together with solar irradiation in bottles. The purpose of the current study was to evaluate the effectiveness of solar H2O2/UV-Vis in distilled water and simulated municipal wastewater treatment plant effluent (SE) contaminated with chlamydospores of Fusarium equiseti in a 60 L solar CPC photo-reactor under solar irradiation. This study showed that F. equiseti chlamydospores in distilled and simulated municipal wastewater effluent were inactivated with 10 mg L-1 of H2O2 in a 60 L CPC photoreactor. F. equiseti chlamysdospore concentration decreased from 325 (±70) CFU mL-1 to below the detection limit (DL = 2 CFU mL-1) within five hours of solar exposureinasolarbottlereactorandfrom180(±53)CFUmL-1 tobelowthedetectionlimitindistilled water within two hours of solar irradiation in the solar CPC reactor. These results demonstrate that the use of low concentrations of hydrogen peroxide and CPC systems disinfection of resistant microorganisms in water.
Original languageEnglish
Pages (from-to)381-388
JournalPhotochem. Photobiol. Sci.
Issue number3
Early online date10 Sept 2010
Publication statusPublished online - 10 Sept 2010


  • solar disinfection
  • compound parabolic collector
  • fungi spores


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