2006
DOI: 10.1590/s0103-50532006000300004
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Enhanced photocatalytic reduction of Hg(II) in aqueous medium by 2-aminothiazole-modified TiO2 particles

Abstract: Este trabalho descreve a síntese e caracterização da titânia modificada pelo ligante 2-aminotiazol e sua aplicação na foto-redução de íons Hg (II) em meio aquoso. Espectros obtidos na região do infravermelho confirmaram a modificação química da matriz de titânia. A quantidade de grupos 2-aminotiazol ligados à superfície da titânia foi determinada por meio da análise de nitrogênio, utilizando-se o método de Kjeldahl. Todos os experimentos de fotoredução foram feitos em um foto-reator cilíndrico termostatizado a… Show more

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Cited by 13 publications
(5 citation statements)
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“…It was reported that AT and its derivatives demonstrated excellent adsorption performance to heavy metal ions. AT-modified silica gel and TiO 2 particles were reported to be able to remove heavy metal ions including Ni­(II), Cu­(II), Cd­(II), Zn­(II), and Pb­(II) from fuel kerosene, fuel ethanol, and aqueous solutions, respectively. Recently, it was reported that AT-functionalized polyacrylonitrile resin enabled separation and preconcentration of Hg­(II) from multicomponent solutions containing Ni­(II), Cu­(II), Cd­(II), Zn­(II), and Pb­(II) .…”
Section: Introductionmentioning
confidence: 99%
“…It was reported that AT and its derivatives demonstrated excellent adsorption performance to heavy metal ions. AT-modified silica gel and TiO 2 particles were reported to be able to remove heavy metal ions including Ni­(II), Cu­(II), Cd­(II), Zn­(II), and Pb­(II) from fuel kerosene, fuel ethanol, and aqueous solutions, respectively. Recently, it was reported that AT-functionalized polyacrylonitrile resin enabled separation and preconcentration of Hg­(II) from multicomponent solutions containing Ni­(II), Cu­(II), Cd­(II), Zn­(II), and Pb­(II) .…”
Section: Introductionmentioning
confidence: 99%
“…Finally, the hydrocarbon will be degraded to CO 2 and H 2 O. 7,8 In Fig. 3, the result showed out that p-Xylene degradation rate increased as the reaction time increasing obviously.…”
Section: The In°uence Of Lighting Time To P-xylene Degradation Ratementioning
confidence: 96%
“…Finally, the free radicals will be generated, so that the organic compound will be degraded to CO 2 and H 2 O. [10][11][12][13] when the photon energy is stronger, the degradation effect is more obvious. So the photo-degradation rate of chemicals is higher under mercury lamp than sunlight.…”
Section: Figure 3 the Influence Of Lighting Timementioning
confidence: 99%