Citation:
CHEN Jiaqi, LI Jun, ZHANG Yi, LV Ying, GAO Shuang. Hydroxylation of Benzene to Phenol over V-AlPO5 Molecular Sieves[J]. Chinese Journal of Applied Chemistry,
;2012, 29(8): 921-925.
doi:
10.3724/SP.J.1095.2012.00367
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V-AlPO5 molecular sieves synthesized by the hydrothermal method was confirmed by XRD patterns.The catalytic activity of V-AlPO5 toward the benzene hydroxylation was influenced by the different synthetic conditions.The catalyst prepared from the optimized condition showed a relative high reaction activity toward the probed reaction.The optimistic reaction conditions:0.2 g catalysts,0.2 g ascorbic acid,10 mmol benzene and 15 mmol 35% H2O2 were added in 6 mL acetonitrile,the reaction was kept for 24 h under 55℃.Under these conditions,the phenol yield was 16.1% with a selectivity of 86.8%.
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Keywords:
- benzene,
- phenol,
- molecular sieves,
- V-AlPO5,
- hydroxylation,
- hydroperoxide
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