NDLI: Preparation of ZrO2/Na-β and ZrO2/H-β catalysts and their catalytic performance for the Meerwein–Ponndorf–Verley reaction of cyclohexanone and isopropanol

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Preparation of ZrO2/Na-β and ZrO2/H-β catalysts and their catalytic performance for the Meerwein–Ponndorf–Verley reaction of cyclohexanone and isopropanol

Content Provider	SAGE Publishing
Author	Dong, Lin-hui Meng, Fan-fei Liu, Li-ye Qiu, Jun
Copyright Year	2023
Abstract	ZrO2/Na-β and ZrO2/H-β catalysts are prepared by the reflux impregnation method and are applied to the Meerwein–Ponndorf–Verley reduction of cyclohexanone and isopropanol. The catalysts are characterized by X-ray diffraction, scanning electron microscopy-energy dispersive spectrum, temperature-programmed desorption of ammonia, N2 isothermal adsorption and desorption, and inductively coupled plasma mass spectrometry. The products are identified by gas chromatography‒mass spectrometry and analyzed by gas chromatography. The experimental results showed that ZrO2/H-β exhibits higher catalytic activity for the above Meerwein–Ponndorf–Verley reduction because ZrO2/H-β has both Zr4+ and Al3+ ion acid centers, which provide the moderately strong acid needed for the reaction. Under optimized conditions, ZrO2/H-β(6) is used as the catalyst, and the conversion rate of cyclohexanone was 92.0% as determined by the area-normalized calculation based on cyclohexanone. The catalyst can be regenerated by programmed heating calcination. The conversion rate of cyclohexanone decreased to 79.4% after five recycling cycles, and its service life needs further study to be improved.
Related Links	https://journals.sagepub.com/doi/pdf/10.1177/17475198231185064?download=true
ISSN	17475198
Issue Number	4
Volume Number	47
Journal	Journal of Chemical Research (CHL)
e-ISSN	20476507
DOI	10.1177/17475198231185064
Language	English
Publisher	Sage Publications UK
Publisher Date	2023-07-25
Publisher Place	London
Access Restriction	Open
Rights Holder	© The Author(s) 2023
Subject Keyword	catalytic performance ZrO2/Na-β ZrO2/H-β Meerwein–Ponndorf–Verley reduction
Content Type	Text
Resource Type	Article
Subject	Chemistry

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