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An integrated process based on combination of adsorption, with a commercial activated carbon (AC), and heterogeneous photocatalysis, with a home-made titania catalyst (TiEt), has been studied in phenol and isoproturon removal. In this work, different physical mixtures of TiEt and AC catalysts were first studied in phenol photodegradation in order to optimize the TiEt/AC concentration ratio. In this...
Manganese oxides are known as one type of semiconductors, but their photocatalysis characteristics have not been deeply explored. In this study, photocatalytic degradation of phenol using several synthesized manganese oxides, i.e, acidic birnessite (BIR-H), alkaline birnessite (BIR-OH), cryptomelane (CRY) and todorokite (TOD), were comparatively investigated. To elucidate phenol degradation mechanisms,...
The application of photocatalysis in the treatment of organic micropollutants in wastewater is an interesting alternative and is the object of a great interest over the last years by many researchers. The stage of adsorption of the micropollutant on the photocatalyst, mainly the titanium oxide anatase form, is a determining stage in the process of photodegradation. We present an experimental study...
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