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Citation: ZHANG Gui-Bin, SUN Xiao-Dong, SHI Feng-Shan, ZHAO Xiu-Feng. Effect of Metal Ions on TiO₂ Photocatalytic Oxidation of NO₂^-[J]. Chinese Journal of Applied Chemistry, ;2004, 21(3): 296-300. shu

Effect of Metal Ions on TiO₂ Photocatalytic Oxidation of NO₂^-

1.
Changji College, Changji 831100

The effects Ag(Ⅰ), Fe(Ⅲ), Mn(Ⅶ) and Ce(Ⅳ) concentrations and pH value on the photocatalytic reaction of NO₂^- in TiO₂ suspension system were studied. The results showed that most of the metal ions studied have stronger synergistic catalytic property, among them the Fe(Ⅲ) in mass fraction greater than 0.25% of TiO₂ and acidity of the system pH=4 showed considerably stronger synergistic catalytic property, and Ce(Ⅳ) showed an obvious inhibition effect on the TiO₂ photocatalytic oxidation of NO₂^-.
- nitrous anion,
- oxidation,
- titanium dioxide,
- photocatalysis
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沈阳化工大学材料科学与工程学院沈阳 110142

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Effect of Metal Ions on TiO2 Photocatalytic Oxidation of NO2-

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通讯作者: 陈斌, bchen63@163.com

Effect of Metal Ions on TiO₂ Photocatalytic Oxidation of NO₂^-