1987
DOI: 10.1021/ie00064a001
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Ammoxidation of toluene to benzonitrile on vanadium-titanium oxides catalysts prepared by precipitation. The role of catalyst composition

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Cited by 46 publications
(16 citation statements)
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“…The catalytic activity results presented in this paper are high when compared to V 2 O 5 /TiO 2 catalysts. 26 Both the conversion and selectivity in the ammoxidation of toluene were found to be more in the case of V 2 O 5 /Nb 2 O 5 -TiO 2 catalysts compared to V 2 O 5 /ZrO 2 -TiO 2 and V 2 O 5 /SiO 2 -TiO 2 catalysts and these results are shown in Table 2.…”
Section: Green Contextmentioning
confidence: 82%
“…The catalytic activity results presented in this paper are high when compared to V 2 O 5 /TiO 2 catalysts. 26 Both the conversion and selectivity in the ammoxidation of toluene were found to be more in the case of V 2 O 5 /Nb 2 O 5 -TiO 2 catalysts compared to V 2 O 5 /ZrO 2 -TiO 2 and V 2 O 5 /SiO 2 -TiO 2 catalysts and these results are shown in Table 2.…”
Section: Green Contextmentioning
confidence: 82%
“…Benzonitrile can be generated via the ammoxidation of toluene. Two reaction pathways were proposed by Cavalli et al, , where one involves the reaction between ammonia and benzaldehyde to form intermediate PhCHNH and the other involves the direct formation of benzylamine, followed by a double dehydrogenation to yield the nitrile. …”
Section: Resultsmentioning
confidence: 99%
“…Furthermore, a good correlation has been established between the formation of propene from propane and the Brön-sted acid sites [49], which were also reported to promote alkenes degradation to carbon oxides through oxyhydration reactions [48]. With regard to toluene ammoxidation, an increase in the surface basic character has been reported to improve the catalytic activity of V-Sb-Bi systems, modified with small amounts of alkali and alkaline earth metal oxides [50], while the opposite was true in the case of V 2 O 5 /TiO 2 catalysts doped with cesium oxide [7,9]. Results reported in the literature clearly suggest that surface acidity is a parameter to be optimised for increasing the catalytic performance in selective (amm-)oxidation reactions.…”
Section: Catalytic Resultsmentioning
confidence: 99%