4.4 Article Proceedings Paper

Photocatalytic reduction of nitrobenzene over titanium dioxide:: by-product identification and possible pathways

Journal

TOPICS IN CATALYSIS
Volume 44, Issue 4, Pages 507-511

Publisher

SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11244-006-0098-2

Keywords

nitrobenzene photoreduction; titanium dioxide; photocatalysis; fine chemicals

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The photocatalytic reduction of nitrobenzene (ethanol + TiO2 + UV-light) in non-aqueous suspension yielded aniline and acetaldehyde as main products. However, various by-products as intermediates of nitrobenzene photoreduction (i.e. nitrosobenzene and hydroxyaniline) and others (i.e. indoles and quinolines) were also detected. These last results were explained in terms of reactions between aniline and oxidation products of ethanol.

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