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2009•Journal of Jimei UniversityRequires access

Degradation of Dyes by Photocatalyst Polyoxometalate Under Visible Light Irradiation

Wang Li

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Abstract

A heterogeneous polyoxometalate photocatalyst,PW 9Fe 3/Resin(PWFR),was obtained by loading PW 9Fe 3 on an anionic exchange resin and used to activate H 2O 2 for the efficient degradation of dyes under visible light irradiation.Rhodamine B(RhB) was employed as a model compound for the kinetic study in the photoreaction.The total organic carbon changes of the system indicated that the aromatic structure of RhB dye was decomposed.The recycle experiment suggested the excellent stability and reusability of the heterogeneous polyoxometalate photocatalyst.

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A heterogeneous polyoxometalate photocatalyst,PW 9Fe 3/Resin(PWFR),was obtained by loading PW 9Fe 3 on an anionic exchange resin and used to activate H 2O 2 for the efficient degradation of dyes under visible light irradiation.Rhodamine B(RhB) was employed as a model compound for the kinetic study in the photoreaction.The total organic carbon changes of the system indicated that the aromatic structure of RhB dye was decomposed.The recycle experiment suggested the excellent stability and reusability of the heterogeneous polyoxometalate photocatalyst.

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Available abstract

A heterogeneous polyoxometalate photocatalyst,PW 9Fe 3/Resin(PWFR),was obtained by loading PW 9Fe 3 on an anionic exchange resin and used to activate H 2O 2 for the efficient degradation of dyes under visible light irradiation.Rhodamine B(RhB) was employed as a model compound for the kinetic study in the photoreaction.The total organic carbon changes of the system indicated that the aromatic structure of RhB dye was decomposed.The recycle experiment suggested the excellent stability and reusability of the heterogeneous polyoxometalate photocatalyst.

Key concepts: Polyoxometalate, Rhodamine B, Degradation (telecommunications), Photocatalysis, Irradiation, Photochemistry, Rhodamine, Reusability

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