2015
DOI: 10.5935/0103-5053.20150158
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Dye Degradation Enhanced by Coupling Electrochemical Process and Heterogeneous Photocatalysis

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Cited by 12 publications
(22 citation statements)
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“…This technique uses transition metal oxides and sulfides, mainly titanate (TiO 2 ), zinc oxide (ZnO), zinc sulfide (ZnS), among others, as photosensitizers in photoinduced processes, as they have semi-filled valence band structures and empty conduction band (Castro et al, 2016). In addition, semiconductors through ultraviolet irradiation favor the displacement of electrons from the valence to the conduction band, originating hydroxyl radicals for deteriorating pollutant compounds (Santos et al, 2015a). However, recovering semiconductors to be reused is difficult and laborious.…”
Section: Heterogeneous Photocatalysismentioning
confidence: 99%
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“…This technique uses transition metal oxides and sulfides, mainly titanate (TiO 2 ), zinc oxide (ZnO), zinc sulfide (ZnS), among others, as photosensitizers in photoinduced processes, as they have semi-filled valence band structures and empty conduction band (Castro et al, 2016). In addition, semiconductors through ultraviolet irradiation favor the displacement of electrons from the valence to the conduction band, originating hydroxyl radicals for deteriorating pollutant compounds (Santos et al, 2015a). However, recovering semiconductors to be reused is difficult and laborious.…”
Section: Heterogeneous Photocatalysismentioning
confidence: 99%
“…These solutions to be treated are a challenge because of the high concentration and diversity of pollutants they have. In addition, when these solutions contain a high xenobiotic load, conventional biological treatment becomes inefficient (Santos et al, 2015a).…”
Section: Soil Washingmentioning
confidence: 99%
“…Por outro lado, o mundo também vem enfrentando um significativo conjunto de problemas ambientais devido à contaminação de águas. Os níveis crescentes de efluentes residuais não tratados, ou mesmo parcialmente tratados em estações de esgoto, são problemas ambientais cada vez mais preocupantes (SANTOS et al, 2015;FRANÇA et al, 2016). Em geral, os efluentes contendo corantes e pigmentos derivados de compostos aromáticos, causam sérios danos à biota aquática e a saúde humana (OLIVEIRA et al, 2012;CHEQUER et al, 2013).…”
Section: Importância Ambientalunclassified
“…A conversão de energia solar por via fotocatalítica chama a atenção devido a possibilidade de produzir, de forma sustentável, combustíveis e outros produtos químicos valiosos, bem como ser aplicada para remediação ambiental (SANTOS et al, 2015;MOHAMED et al, 2016). Diferentes óxidos semicondutores têm mostrado eficiência fotocatalítica (MARINHO et al, 2015;VALIZADEH et al, 2016), destacando os materiais à base de TiO2 (MACHADO et al, 2012;TAN et al, 2015;FRANÇA et al, 2016), desde a descoberta feita por Fujishima e Honda (1972).…”
Section: Segundo O Programa Hidrológico Internacional Da Organização unclassified
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