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6631402 
Journal Article 
Highly selective oxidation of styrene to benzaldehyde over Fe3O4 using H2O2 aqueous solution as oxidant 
Xie, L; Wang, H; Lu, Bin; Zhao, J; Cai, Q; , 
2018 
1 
Reaction Kinetics, Mechanisms and Catalysis
ISSN: 1878-5190 
SPRINGER 
DORDRECHT 
743-756 
WOS:000456484900020 
Fe3O4 was prepared by an alternative method using the dropwise addition of FeCl3 and FeSO4 precursor solutions into a NaOH solution, as proved by XRD, TEM and magnetic measurements. The Fe3O4 material was confirmed to be well-crystallized magnetite with an average size of about 21.5 nm and stronger super paramagnetic with a saturation magnetization of 57.04 emu/g and it was found to be an effective catalyst for liquid-phase oxidation of styrene to benzaldehyde (BzH) with H2O2 as oxidant, getting ca. 100% selectivity to BzH with 40.4% conversion of styrene. This catalyst can be easily recovered by a simple magnetic separation and effectively reused. However, the reaction mechanism was confirmed by in situ DRIFTS spectra analysis and according to literature reports.