4.5 Article

Solvent-free partial oxidation of cyclohexane to KA oil over hydrotalcite- derived Cu-MgAlO mixed metal oxides

期刊

CHINESE JOURNAL OF CHEMICAL ENGINEERING
卷 42, 期 -, 页码 269-276

出版社

CHEMICAL INDUSTRY PRESS CO LTD
DOI: 10.1016/j.cjche.2021.04.020

关键词

Hydrotalcite-derived Cu-MgAlO; Cyclohexane; Cyclohexanol and cyclohexanone mixture; (KA oil); Partial oxidation; Solvent-free

资金

  1. National Natu-ral Science Foundation of China [21676226, 21776067]
  2. Natural Science Foundation for Distinguished Young Scholars in Hunan Province [2018JJ1023, 2020JJ2014]
  3. Natural Science Foundation in Hunan Province [2018JJ3144]
  4. Key Research and Development Program in Hunan Province [2019GK2041]
  5. Scientific Research Fund of Hunan Provincial Education Department [17C0630]
  6. PhD Startup Foundation of Hunan University of Science and Technology [E51756]

向作者/读者索取更多资源

A highly efficient and stable hydrotalcite-derived Cu-MgAlO catalyst was developed for the partial oxidation of cyclohexane. The catalyst showed excellent catalytic activity in promoting the decomposition of cyclohexyl hydroperoxide into a mixture of cyclohexanol and cyclohexanone.
A highly efficient and stable hydrotalcite-derived Cu-MgAlO catalyst was developed for the partial oxida-tion of cyclohexane with molecular oxygen. The physical-chemical properties of Cu-MgAlO catalysts were studied, and the results indicated that the copper component had been successfully introduced into the hydrotalcite unit layer structure. The catalytic reaction results showed that copper as the active spe-cies could activate CAH bond and effectively promote the decomposition of cyclohexyl hydroperoxide (CHHP) to the mixture of cyclohexanol and cyclohexanone (KA oil). 8.3% of cyclohexane conversion and 82.9% of selectivity for KA oil were obtained over 9%Cu-MgAlO catalyst at 150 degrees C with 0.6 MPa of oxy-gen pressure for 2 h. Especially, its catalytic performance was still stable after five runs. (c) 2021 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.

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