Search results for "Selective hydroxylation Product distribution Benzoic acid Phenol Heterogeneous photocatalysis"

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Selective oxidation of phenol and benzoic acid in water via home-prepared TiO2 photocatalysts: Distribution of hydroxylation products

2012

Abstract The hydroxylation of phenol (a substrate containing an electron donor group) and of benzoic acid (a substrate containing an electron withdrawing group) has been carried out by the photocatalytic method in aqueous suspensions containing commercial or home prepared TiO2 samples. The aim of the work was to study the distribution of hydroxylation products when different photocatalysts were used and to correlate the selectivity to some physico-chemical features of the powders. The samples were characterized by X-ray diffraction, thermogravimetry, determination of crystalline phase percentage, specific surface area and zero charge point. The photoreactivity results indicate that the prod…

Settore ING-IND/24 - Principi Di Ingegneria ChimicaProcess Chemistry and TechnologyInorganic chemistryElectron donorCatalysisCatalysisHydroxylationchemistry.chemical_compoundchemistrySelective hydroxylation Product distribution Benzoic acid Phenol Heterogeneous photocatalysis Reaction pathways Kinetics TiO2PhotocatalysisPhenolPartial oxidationSettore CHIM/07 - Fondamenti Chimici Delle TecnologieSelectivityBenzoic acid

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