2006
DOI: 10.1590/s0100-40422006000200015
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Imobilização de TiO2 em concreto: fotodegradação de clorofórmio e fenol

Abstract: Recebido em 16/3/05; aceito m 28/7/05; publicado na web em 20/1/06 TiO 2 IMMOBILIZATION ONTO CONCRETE: CHLOROFORM AND PHENOL PHOTODEGRADATION. TiO 2 immobilization on concrete was studied using mixtures with cement, varnish and resin. The UV radiation sources were a germicide UV lamp and solar light. Aqueous solutions of chloroform (CHCl 3 ) and of phenol were prepared and recirculated over the TiO 2 immobilized surfaces. The immobilized TiO 2 surfaces showed better photocatalytic efficiency for phenol degrada… Show more

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Cited by 9 publications
(5 citation statements)
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“…Therefore, attempts have been made to separate TiO 2 photocatalysts via a variety of supported materials including glass microspheres, graphene, zeolites, and concrete. [13][14][15][16] Hollow glass microspheres (HGM) are widely used in various fields. [17][18][19] HGM-TiO 2 is an important composite material and became commercially available.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, attempts have been made to separate TiO 2 photocatalysts via a variety of supported materials including glass microspheres, graphene, zeolites, and concrete. [13][14][15][16] Hollow glass microspheres (HGM) are widely used in various fields. [17][18][19] HGM-TiO 2 is an important composite material and became commercially available.…”
Section: Introductionmentioning
confidence: 99%
“…The percentages of semiconductors were based on [10] work. It is expected with the results of this paper that the composite shows potential to be used as a coating on health services that, on top of its photocatalyst capacity, also has durability, easy maintenance and is less harmful to the environment.…”
mentioning
confidence: 99%
“…;Diamanti et. al., 2008), a pulverização do semi-condutor após conformação do componente e antes do endurecimento li, 2007) e pós-tratamento com agentes ligantes orgânicos (Santos, 2004;Kondo, 2006e Diamanti et. al., 2008.…”
Section: 4 4 4 P P Pr R Ro O Od D Du U Uç ç çã ã ãO O O D D De E Eunclassified
“…Para a área de concretos e argamassas, constata-se que parte das pesquisas adiciona o semi-condutor durante a mistura (Cassar et. al., 2003;Santos & Kondo, 2006). Nesses casos, o teor de dióxido de titânio utilizado é bastante variado, havendo casos em que foi usada uma concentração de 1% da massa total e outros com 15% (Furumura et.…”
Section: 4 4 4 P P Pr R Ro O Od D Du U Uç ç çã ã ãO O O D D De E Eunclassified