Iron- and Copper-exchanged Beta Zeolite Catalysts for Hydroxylation of Benzene to Phenol with H2O2

A new zeolite-based catalyst for direct conversion of benzene to phenol (BTP reaction) is reported. Both Fe- and Cu-exchanged Beta catalysts, Fe-Cu/Beta, were prepared by the aqueous ion-exchange method with their contents varied. The states of Fe and Cu species were characterized by UV-vis and NO a...

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Bibliographic Details
Published in:Chemistry letters 2018-01, Vol.47 (9), p.1112
Main Authors: Xiao, Peipei, Wang, Yong, Kondo, Junko N, Yokoi, Toshiyuki
Format: Article
Language:eng ; fre ; ger ; jpn
Subjects:
Benzene
Catalysis
Catalysts
Catalytic activity
Copper
Direct conversion
Hydrocarbons
Hydrogen peroxide
Hydroxylation
Infrared spectroscopy
Ion exchange
Iron
Liquid phases
Phenols
Selectivity
Zeolites
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Summary:A new zeolite-based catalyst for direct conversion of benzene to phenol (BTP reaction) is reported. Both Fe- and Cu-exchanged Beta catalysts, Fe-Cu/Beta, were prepared by the aqueous ion-exchange method with their contents varied. The states of Fe and Cu species were characterized by UV-vis and NO adsorbed FT-IR spectroscopy. Both Fe- and Cu-exchanged Beta catalyst showed a dramatically high catalytic activity in the liquid-phase BTP reaction compared to Fe/Beta and Cu/Beta; the phenol yield of 10.5% with the selectivity of 90% was achieved.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.180439