Highly selective oxidation of styrene to benzaldehyde over Fe3O4 using H2O2 aqueous solution as oxidant

被引：0
|
作者：
Lulu Xie
Hongxia Wang
Bin Lu
Jingxiang Zhao
Qinghai Cai
机构：
[1] Harbin Normal University,Key Lab for Photonic & Electronic Bandgap Materials, Ministry of Education, School of Chemistry and Chemical Engineering
来源：
Reaction Kinetics, Mechanisms and Catalysis | 2018年 / 125卷
关键词：
Styrene; Iron oxide; H; O; Oxidation; Magnetic separable catalyst;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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 superparamagnetic 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.
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页码：743 / 756
页数：13
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