Micropollutants Removal from Surface Water Using a Pilot Vacuum-UV Advanced Oxidation Process

2017 ◽  
Vol 143 (10) ◽  
pp. 04017066 ◽  
Author(s):  
Mehdi Bagheri ◽  
Gustavo Imoberdorf ◽  
Madjid Mohseni
Keyword(s):  
Surface Water ◽  
Advanced Oxidation Process ◽  
Oxidation Process ◽  
Advanced Oxidation ◽  
Vacuum Uv

scholarly journals Giardia duodenalis: Number and Fluorescence Reduction Caused by the Advanced Oxidation Process (H2O2/UV)

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
José Roberto Guimarães ◽  
Regina Maura Bueno Franco ◽  
Regiane Aparecida Guadagnini ◽  
Luciana Urbano dos Santos
Keyword(s):  
Surface Water ◽  
Membrane Filtration ◽  
Advanced Oxidation Process ◽  
Oxidation Process ◽  
Giardia Duodenalis ◽  
Advanced Oxidation ◽  
Immunofluorescence Assay ◽  
Direct Immunofluorescence ◽  
Uv Dose ◽  
Direct Immunofluorescence Assay

This study evaluated the effect of peroxidation assisted by ultraviolet radiation (H2O2/UV), which is an advanced oxidation process (AOP), on Giardia duodenalis cysts. The cysts were inoculated in synthetic and surface water using a concentration of 12 g H2O2 L−1 and a UV dose (λ=254 nm) of 5,480 mJcm−2. The aqueous solutions were concentrated using membrane filtration, and the organisms were observed using a direct immunofluorescence assay (IFA). The AOP was effective in reducing the number of G. duodenalis cysts in synthetic and surface water and was most effective in reducing the fluorescence of the cyst walls that were present in the surface water. The AOP showed a higher deleterious potential for G. duodenalis cysts than either peroxidation (H2O2) or photolysis (UV) processes alone.

Influence of mineral water constituents, organic matter and water matrices on the performance of the H2O2/IO4−-advanced oxidation process

2019 ◽  
Vol 5 (11) ◽  
pp. 1985-1992 ◽  
Author(s):  
Nor Elhouda Chadi ◽  
Slimane Merouani ◽  
Oualid Hamdaoui ◽  
Mohammed Bouhelassa ◽  
Muthupandian Ashokkumar
Keyword(s):  
Organic Matter ◽  
Water Treatment ◽  
Mineral Water ◽  
Advanced Oxidation Process ◽  
Oxidation Process ◽  
Advanced Oxidation ◽  
Water Constituents

We have recently reported that the reaction of H2O2/IO4− could be a new advanced oxidation process for water treatment [N. E. Chadi, S. Merouani, O. Hamdaoui, M. Bouhelassa and M. Ashokkumar, Environ. Sci.: Water Res. Technol., 2019, 5, 1113–1123].

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