Photocatalytic Degradation of Methyl Orange and Phenol by BiVO4-Loaded Fly Ash Cenospheres (FACs) Composite

Yu Xin Sun; Jin Zhang

doi:10.4028/www.scientific.net/AMR.821-822.471

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 821-822Photocatalytic Degradation of Methyl Orange and...

Photocatalytic Degradation of Methyl Orange and Phenol by BiVO₄-Loaded Fly Ash Cenospheres (FACs) Composite

Abstract:

A novel photocatalyst, BiVO₄-loaded fly ash cenospheres (BFACs), was prepared by the modified metalorganic decomposition (MOD) method. Its physicochemical properties were characterized by X-ray diffractometry (XRD), Raman spectroscopy, scanning electron microscopy with energy dispersive X-ray microanalyses (SEM-EDX) and UV-vis diffused reflectance spectroscopy (DRS). The photocatalytic activities of the as-prepared sample were evaluated by the photodegradation methyl orange (MO) dye and phenol in aqueous solution under visible-light irradiation. It was found that the photocatalytic activity of BFACs composite for the degradation of MO and phenol were higher than that of pure BiVO₄. Moreover, much enhanced photocatalytic performance for phenol degradation was also realized with the assistance of H₂O₂. The BFACs photocatalysts were stable and maintained high photocatalytic efficiency of MO during repeated recycles. The BFACs photocatalyst is promising for practical applications in purification of dye-containing wastewater.

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Periodical:

Advanced Materials Research (Volumes 821-822)

Pages:

471-475

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.821-822.471

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Online since:

September 2013

Authors:

Yu Xin Sun, Jin Zhang

Keywords:

BiVO₄-loaded Fly Ash Cenospheres, Degradation, Dye, Phenol, Photocatalyst, Water Decolorization

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