TiO2 Doped with Metal Ions as the UV Photocatalyts for Ciba-Red Wastewater Treatment

Sun, Chengjun; Sun, Xianxiang

doi:10.1109/icbeb.2012.450

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“…The doped TiO 2 films were prepared through the immobilization of TiO 2 powders on glass plates with a colorless homemade binder. The detail of the process is described elsewhere [14]. The glass plate was loaded uniformly with a mash consists of 0.5 g of nanostructured TiO 2 powders and the binder, yielding a round film with a diameter of 3.9 cm.…”

Section: Preparation and Characterization Of Doped Titania Powdersmentioning

confidence: 99%

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Solar photocatalytic decolorization of azo dyes in water and textile wastewater on N-(Cr3+, Fe3+) doped-TiO2 nanoparticle films: optimization of some operational parameters

Sun

2015

Desalination and Water Treatment

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A B S T R A C TThe photocatalystic decolorization of the mixture of three textile azo dyes, i.e. Reactive Red (RR) 193, RR 198 and RR 239, with N, or Cr 3+ or Fe 3+ doped TiO 2 film photocatalysts under solar light irradiation was studied. The effect of different factors, i.e. concentration of dopant, pH of the solution, additive of H 2 O 2 and irradiation source on the photocatalytic decolorization efficiency of the TiO 2 film catalysts, was investigated. The optimal doping concentration is 0.2 at.% with N-or Cr 3+ , with larger than 96% of the decolorizing efficiencies after 4 h irradiation time. The decolorization of the dyes was strongly enhanced by the addition of hydrogen peroxide in the pH of 3.0. Under solar light irradiation in the presence of H 2 O 2 , both N-doped and Cr 3+ -doped TiO 2 thin film were also applied to photocatalytically decolorize a textile wastewater sample.

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Section: Preparation and Characterization Of Doped Titania Powdersmentioning

confidence: 99%

“…The titania powder samples were doped with N or Cr 3+ , Fe 3+ with different M/Ti molar ratio through a sol-gel process [14]. Typically, to prepare solution I, 0.0063 g of NH 4 Cl (CAS no.…”

Section: Preparation and Characterization Of Doped Titania Powdersmentioning

confidence: 99%

Solar photocatalytic decolorization of azo dyes in water and textile wastewater on N-(Cr3+, Fe3+) doped-TiO2 nanoparticle films: optimization of some operational parameters

Sun

2015

Desalination and Water Treatment

Self Cite

View full text Add to dashboard Cite

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TiO2 Doped with Metal Ions as the UV Photocatalyts for Ciba-Red Wastewater Treatment

Cited by 1 publication

References 0 publications

Solar photocatalytic decolorization of azo dyes in water and textile wastewater on N-(Cr3+, Fe3+) doped-TiO2 nanoparticle films: optimization of some operational parameters

Solar photocatalytic decolorization of azo dyes in water and textile wastewater on N-(Cr3+, Fe3+) doped-TiO2 nanoparticle films: optimization of some operational parameters

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