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Photooxidation of Ethylbenzene with TiO2 and Metal Coated TiO2 and its Kinetics

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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

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Summary.

Photooxidation of ethylbenzene with oxygen to give ethylbenzene hydroperoxide has been achieved in a stirred photochemical reactor that was cooled by a water system by irradiation with a 400 W high-pressure mercury lamp and using TiO2 powder and metal coated TiO2. The effects of the amount of copper or silver coated on TiO2 and of the temperature on the rate of oxidation have been investigated. It is suggested that thermal cleavage of the O–O bond and photochemically generated singlet oxygen should be considered as the initiating step in a radical chain mechanism. An optimum loading of 6% Ag or 4–5% Cu was observed for photooxidation of ethylbenzene.

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Authors and Affiliations

  1. Chemistry Department, Isfahan University, 81745-117, Isfahan, Iran

    Mohammad H. Habibi, A. Zeini Isfahani, A. Mohammadkhani & M. Montazerozohori

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  1. Mohammad H. Habibi
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  2. A. Zeini Isfahani
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  3. A. Mohammadkhani
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  4. M. Montazerozohori
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Correspondence to Mohammad H. Habibi.

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Habibi, M., Zeini Isfahani, A., Mohammadkhani, A. et al. Photooxidation of Ethylbenzene with TiO2 and Metal Coated TiO2 and its Kinetics. Monatshefte für Chemie 135, 1121–1127 (2004). https://doi.org/10.1007/s00706-004-0215-5

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  • DOI: https://doi.org/10.1007/s00706-004-0215-5

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