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- W2809864749 abstract "Ceria (CeO2) nanoparticles were synthesized by the precipitation method without use of any organometallic precursors. Photocatalytic degradation of reactive dyes such as Reactive Green 19 (RG19), Reactive Orange 84 (RO84), Reactive violet 1 (RV1) and Reactive Yellow 81 (RY 81) were investigated in a batch reactor catalysed by CeO2. XRD characterization confirmed cubic phase of CeO2 with 19 nm crystallite size, which was supported by SEM and TEM analyses. The band gap of synthesized CeO2 was found to about 3.05 eV from the Kubelka-Munk function analysis of UV-diffuse reflectance spectra. Synthesized CeO2 showed the effective catalytic activity towards the photocatalytic removal of reactive dyes under visible light. Photocatalytic activity was studied to identify the effect of reaction parameters such as catalyst loading, initial dye concentration and pH of dye solutions for the removal of reactive dyes. >95% removal of reactive dyes, reactive green-19, reactive orange-84 and reactive yellow-81, was found under solar irradiation, while in case of reactive violet-1 > 99.9% removal was obtained. Highest activity was found at neutral pH and at 1.5 g/L loading. The photogenerated holes were the most active species responsible for the degradation of reactive dyes. Thus, CeO2 photocatalyst shows great potential for passive solar degradation of reactive dye effluents." @default.
- W2809864749 created "2018-07-10" @default.
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- W2809864749 date "2018-08-01" @default.
- W2809864749 modified "2023-10-15" @default.
- W2809864749 title "Visible light removal of reactive dyes using CeO2 synthesized by precipitation" @default.
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- W2809864749 doi "https://doi.org/10.1016/j.jece.2018.06.046" @default.
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