Photocatalytic dissociation of organic compounds and wastes is currently object of intense investigations for many reasons related to several advantages offered by a combination of chemical conversion with biological aspects, like the bactericidal action, which are irreplaceable in some situations. Moreover, photocatalysis is often easily controllable and does not generally require a continuous feed of reactants as in ordinary chemical abatement. In this work, we have investigated the photocatalytic dissociation of lactose present in milk whey under ultraviolet irradiation of a titanium dioxide substrate produced by anodic oxidation of metallic titanium. Two different forms of photocatalyst have been tested, namely a crude titania electrolytically obtained without any other further surface restructuring and a titania with surface modified by thermal annealing. The results proved the beneficial effects of a surface restructuring in terms of reaction yield. Such results can be interpreted as a preliminary test being a starting point for further surface treatments and process optimization.
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|Titolo:||Electrochemical fabrication of anodic nanoporous titania for Photocatalytic degradation of pollutants|
|Data di pubblicazione:||2016|
|Appare nelle tipologie:||01.01 - Articolo su rivista|