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Catalytic activity of Cu/MgO in liquid phase oxidation of cumene

  • Catalysis, Reaction Engineering, Industrial Chemistry
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Abstract

Cumene was oxidized with air as the oxidant and Cu/MgO as the catalyst. Cu/MgO with different compositions was prepared by co-precipitation and then characterized by X-ray diffraction (XRD), H2-temperature programmed reduction (H2-TPR) and X-ray photoelectron spectroscopy (XPS). The characterization results showed that CuO dispersed on MgO well in the cases that the Cu content in Cu/MgO was 1% by molar. In this catalytic system, MgO did not only act as the supporter, but also as the catalyst to activate the tertiary C-H of cumene. The conversion of cumene was increased by using CuO as the promoter on MgO catalyst. The cumene conversion and cumene hydroperoxide (CHP) selectivity were in a trade-off relationship because cumene oxidation was subject to the decomposition of CHP. Thus, the effects of the operating variables were investigated and the relevant mechanism was discussed.

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Authors and Affiliations

  1. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China

    Shuai Xu, Chongpin Huang, Jie Zhang & Biaohua Chen

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  1. Shuai Xu
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  2. Chongpin Huang
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  3. Jie Zhang
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  4. Biaohua Chen
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Correspondence to Chongpin Huang.

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Xu, S., Huang, C., Zhang, J. et al. Catalytic activity of Cu/MgO in liquid phase oxidation of cumene. Korean J. Chem. Eng. 26, 1568–1573 (2009). https://doi.org/10.1007/s11814-009-0258-8

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  • DOI: https://doi.org/10.1007/s11814-009-0258-8

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