Partial Photocatalytic Oxidation of Glycerol in TiO2 Water Suspensions

Vincenzo Augugliaro, Vittorio Loddo, Leonardo Palmisano, Giovanni Palmisano, Sedat Yurdakal, Giovanni Palmisano, H.A. Hamed El Nazer, Mele

Risultato della ricerca: Articlepeer review

84 Citazioni (Scopus)


The photo-oxidation of glycerol in aqueous suspensions containing commercial and home-prepared TiO2 samples in the anatase, rutile or anatase–rutile polymorphic phases was investigated by using two different batch photoreactors, an annular photoreactor and a cylindrical photoreactor. The glycerol oxidation products detected in the aqueous phase were: 1,3-dihydroxyacetone, glyceraldehyde, formic acid and carbon dioxide. Two unknown compounds were also detected by electrospray ionization mass spectrometry as peaks at m/z 268 and m/z 176. A plausible mechanism for their formation was suggested based on ESI-MS and MSn experiments. The results indicate that in both systems the commercial samples showed the best performances both for reaction rate and selectivity toward 1,3-dihydroxyacetone, glyceraldehyde, formic acid and CO2.
Lingua originaleEnglish
pagine (da-a)21-28
Numero di pagine8
RivistaCatalysis Today
Stato di pubblicazionePublished - 2010

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1600.1600???


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