TY - JOUR
T1 - Decontamination and disinfection of water by solar photocatalysis: The pilot plants of the Plataforma Solar de Almeria
AU - Malato, Sixto
AU - Maldonado, Manuel I.
AU - Fernandez-Ibanez, Pilar
AU - Oller, Isabel
AU - Polo, Inmaculada
AU - Sánchez-Moreno, Ricardo
PY - 2015/7/31
Y1 - 2015/7/31
N2 - This workreviewstheuseofsunlighttoproducetheHO� radicals byTiO2 nanophotocatalysis.There-acting systemsnecessaryforperformingsolarphotocatalysiswillbedescribedandthefactorswhichgovernthekineticsofphotocatalysissuchasinitialconcentrationofreactant,massofcatalyst,pH,temperature,radiant flux andconcentrationofoxygenarehighlighted.Severalapproachesinordertoimprovethephotocatalysisefficiency ofTiO2 will bealsodescribed.Solarreactorsengineeringissuesforphotocatalyticwatertreatmentwillbereviewedaswellastheuseofthesolarphotocatalyticprocessesto inactivatemicroorganismspresentinwater,placingspecialemphasistothemechanismsactingduringthe process,mainlyhydroxylradicalandsingletoxygengeneration,andonexperimentalsystemsmadeto optimizethisdisinfectiontechnique.Heterogeneousphotocatalysisisalsoanattractivetechniqueforobtaining hydrogeninacleanway.Inthelastdecadesdifferentphotocatalyticsystemsforhydrogengenerationwithsimultaneousremovaloforganicpollutantshavebeenstudiedatlaboratoryscalebut,sofar,littlehasbeenpublishedaboutthesesystemsatalargerscale.Thepresentworkwillalsoshowthesimultaneous photocatalytichydrogenproductionandorganicpollutantremovalunderdirectsolarir-radiation andatpilot-plantscaleatthePlataformaSolardeAlmería(PSA).
AB - This workreviewstheuseofsunlighttoproducetheHO� radicals byTiO2 nanophotocatalysis.There-acting systemsnecessaryforperformingsolarphotocatalysiswillbedescribedandthefactorswhichgovernthekineticsofphotocatalysissuchasinitialconcentrationofreactant,massofcatalyst,pH,temperature,radiant flux andconcentrationofoxygenarehighlighted.Severalapproachesinordertoimprovethephotocatalysisefficiency ofTiO2 will bealsodescribed.Solarreactorsengineeringissuesforphotocatalyticwatertreatmentwillbereviewedaswellastheuseofthesolarphotocatalyticprocessesto inactivatemicroorganismspresentinwater,placingspecialemphasistothemechanismsactingduringthe process,mainlyhydroxylradicalandsingletoxygengeneration,andonexperimentalsystemsmadeto optimizethisdisinfectiontechnique.Heterogeneousphotocatalysisisalsoanattractivetechniqueforobtaining hydrogeninacleanway.Inthelastdecadesdifferentphotocatalyticsystemsforhydrogengenerationwithsimultaneousremovaloforganicpollutantshavebeenstudiedatlaboratoryscalebut,sofar,littlehasbeenpublishedaboutthesesystemsatalargerscale.Thepresentworkwillalsoshowthesimultaneous photocatalytichydrogenproductionandorganicpollutantremovalunderdirectsolarir-radiation andatpilot-plantscaleatthePlataformaSolardeAlmería(PSA).
KW - Hydrogen
KW - Solar photoreactors
KW - Solar disinfection
KW - Solar watertreatment
U2 - 10.1016/j.mssp.2015.07.017
DO - 10.1016/j.mssp.2015.07.017
M3 - Article
VL - 42
SP - 15
EP - 23
JO - Materials Science in Semiconductor Processing
JF - Materials Science in Semiconductor Processing
ER -