The efficient liquid‐phase oxidation of aromatic hydrocarbons by molecular oxygen in the presence of MnCO 3 | Zendy

Gao Jin | Zendy; Tong Xinli | Zendy; Li Xiaoqiang | Zendy; Miao Hong | Zendy; Xu Jie | Zendy

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The efficient liquid‐phase oxidation of aromatic hydrocarbons by molecular oxygen in the presence of MnCO 3

Author(s) -

Gao Jin,

Tong Xinli,

Li Xiaoqiang,

Miao Hong,

Xu Jie

Publication year - 2007

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.1717

Subject(s) - toluene , benzoic acid , ethylbenzene , benzaldehyde , chemistry , benzene , xylene , oxygen , catalysis , solvent , aromaticity , aromatic hydrocarbon , selectivity , hydrocarbon , organic chemistry , inorganic chemistry , photochemistry , molecule

BACKGROUND: The liquid‐phase catalytic oxidation of aromatic hydrocarbons by molecular oxygen is a commercially important process. We consider the MnCO 3 ‐promoted oxidation of toluene to produce benzaldehyde and benzoic acid. In this investigation, toluene was oxidized with 25.0% conversion and 80.8% selectivity with respect to benzoic acid in the presence of MnCO 3 under 1.0 MPa of oxygen at 190 °C for 2 h. RESULTS: Moreover, the oxidation of other aromatic hydrocarbons, such as ethylbenzene, p ‐xylene, m ‐xylene, o ‐xylene, and p ‐chlorotoluene, were also efficiently promoted by MnCO 3 . CONCLUSION: It is concluded that an efficient oxidation of aromatic hydrocarbons can be achieved in the presence of MnCO 3 under solvent‐free conditions. The catalytically active species are high‐valence Mn generated via the action of MnCO 3 with oxygen. Copyright © 2007 Society of Chemical Industry

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