Photocatalyst Prepared from the Groundwater Sediment

Pongthep Jansanthea; Plaifon Muangphan; Sunisa Sakprasertsiri; Weerasak Chomkitichai; Jiraporn Ketwaraporn; Opat Sangswang; Chaluay Soavakon

doi:10.4028/www.scientific.net/AMM.886.114

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 886Photocatalyst Prepared from the Groundwater...

Photocatalyst Prepared from the Groundwater Sediment

Abstract:

In this paper, α–Fe₂O₃photocatalyst with enhanced solar–driven photocatalytic activity was obtained from natural local groundwater sediment using a chemical solution method with subsequent calcination. The phase structures and crystallite size characterized by X–ray diffraction. The morphology and the particle size were investigated by scanning electron microscopy. The α–Fe₂O₃was used as a catalyst to photodegrade MB under visible light illumination. The photocatalytic reaction rate constant of the α–Fe₂O₃photocatalyst in the photocatalytic degradation of MB dye solution under LED light illumination with the presence of H₂O₂ was calculated to be 1.70×10^–2 min^–1. Moreover, the effect of H₂O₂ concentration on photocatalytic efficiency and the photocatalytic mechanism also were discussed.

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Periodical:

Applied Mechanics and Materials (Volume 886)

Pages:

114-121

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.886.114

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Online since:

January 2019

Authors:

Pongthep Jansanthea, Plaifon Muangphan, Sunisa Sakprasertsiri, Weerasak Chomkitichai, Jiraporn Ketwaraporn, Opat Sangswang, Chaluay Soavakon*

Keywords:

Groundwater Sediment, Photocatalyst, α-Fe₂O₃

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* - Corresponding Author

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