Journal of the Chinese Chemical Society p. 1096 - 1103 (2017)
Update date:2022-08-11
Topics:
Ameur, Nawal
Bachir, Redouane
Bedrane, Sumeya
Choukchou-Braham, Abderrahim
In this work, we study cyclohexene oxidation by molecular oxygen on doped-TiO2. The improvement of the oxidizing capacity of titanium oxide by doping with iron oxide at different molar ratios is checked. All materials with different molar ratios (Ti/Fe = 9, 4, and 2) are prepared by the sol–gel method and fully characterized by ICP, XRD, SEM, DR/UV–vis, IR, and N2 adsorption/desorption. The results show that iron is successfully incorporated into the titanium matrix but the incorporated amount is limited. In catalytic tests, improved activity is noticed while using TiO2 in the presence of Fe2O3, which is due the improved oxidation. Conversion in the range of 21–42% depending on the presence of iron oxide was obtained with excellent yield of adipic acid (97% selectivity).
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