Photocatalytic Degradation of Methylene Blue by Fe/ZnO/SiO2Nanoparticles under Visiblelight | Zendy

Reda M. Mohamed | Zendy; Ibraheem A. I. Mkhalid | Zendy; E.S. Baeissa | Zendy; Maymounah Alrayyani | Zendy

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Photocatalytic Degradation of Methylene Blue by Fe/ZnO/SiO₂Nanoparticles under Visiblelight

Author(s) -

Reda M. Mohamed,

Ibraheem A. I. Mkhalid,

E.S. Baeissa,

Maymounah Alrayyani

Publication year - 2012

Publication title -

journal of nanotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.347

H-Index - 29

eISSN - 1687-9511

pISSN - 1687-9503

DOI - 10.1155/2012/329082

Subject(s) - methylene blue , photocatalysis , materials science , degradation (telecommunications) , catalysis , methylene , nanoparticle , nuclear chemistry , irradiation , visible spectrum , photochemistry , nanotechnology , chemistry , organic chemistry , optoelectronics , computer science , physics , telecommunications , nuclear physics

The photocatalytic activity of Fe/ZnO/SiO2 catalysts under visible-light irradiation for the degradation of methylene blue was evaluated. The effect of pH, illumination time, amount of catalyst loaded, and initial dye concentration on the degradation efficiency of methylene blue was investigated. The results reveal that the optimum photocatalytic oxidation conditions of methylene blue are as follows: pH=4 and illumination time is 30 min, the amount of catalyst loading is 0.075 g/L and 50 ppm methylene blue dye concentration. Under these conditions, the removal efficiency of methylene blue was 100%

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