A green, non-toxic and low-cost carbon source was used to prepare visible-light photocatalysts with enhanced photoactivity for oxidation of organic micropollutants in water. Carbon precursors including glucose, fructose, sucrose and sugar acids were investigated. It was determined that the carbon source affects the type of carbon deposits formed on TiO2 and subsequently to the electronics and chemical properties of the photocatalysts. Photocatalytic remediation of 2,4-dichlorophenol (2,4-DCP) in water was carried out in a laboratory reactor irradiated with low powered 6W fluorescent lamps equipped with UV filter to demonstrate the practical application of these new catalysts. The results showed that the new catalyst even at low irradiation performed significantly better than similar photocatalysts reported in the literature.

Green carbon dopant for visible-light photocatalysts

245th National Meeting (2013)

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