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Wheat bran valorisation: Towards photocatalytic nanomaterials for benzyl alcohol photo-oxidation
In this work, we have successfully synthesized a set of titania photocatalytic nanocomposites by the incorporation of different TiO.sub.2 content on wheat bran residues. The obtained catalysts were characterized by different techniques including UV-Vis spectroscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Transmission Electron Microscopy (TEM) while their photocatalytic activity was investigated in the oxidation of benzyl alcohol under UV light irradiation. Benzaldehyde yields were ca. 20%, with conversion in the systems of ca. 33% of benzyl alcohol by using 10%Ti-Bran catalyst, as compared to 33% yield to the target product (quantitative conversion of benzyl alcohol) using commercial pure TiO.sub.2 (P-25). The photocatalytic activity results indicate that designed waste-derived nanomaterials with low TiO.sub.2 content can efficiently photocatalyze the conversion of benzyl alcohol with relative high selectivity towards benzaldehyde.
Wheat bran valorisation: Towards photocatalytic nanomaterials for benzyl alcohol photo-oxidation
In this work, we have successfully synthesized a set of titania photocatalytic nanocomposites by the incorporation of different TiO.sub.2 content on wheat bran residues. The obtained catalysts were characterized by different techniques including UV-Vis spectroscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Transmission Electron Microscopy (TEM) while their photocatalytic activity was investigated in the oxidation of benzyl alcohol under UV light irradiation. Benzaldehyde yields were ca. 20%, with conversion in the systems of ca. 33% of benzyl alcohol by using 10%Ti-Bran catalyst, as compared to 33% yield to the target product (quantitative conversion of benzyl alcohol) using commercial pure TiO.sub.2 (P-25). The photocatalytic activity results indicate that designed waste-derived nanomaterials with low TiO.sub.2 content can efficiently photocatalyze the conversion of benzyl alcohol with relative high selectivity towards benzaldehyde.
Wheat bran valorisation: Towards photocatalytic nanomaterials for benzyl alcohol photo-oxidation
Ouyang, Weiyi (author) / Reina, Jose M / Kuna, Ewelina / Yepez, Alfonso / Balu, Alina M / Romero, Antonio A / Colmenares, Juan Carlos / Luque, Rafael
2016
Article (Journal)
English
BKL:
43.00
Wheat bran valorisation: Towards photocatalytic nanomaterials for benzyl alcohol photo-oxidation
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