Abstract
The activity and the selectivity of Mg–Al and Zn–Al mixed oxides were studied in the transesterification of rapeseed oil with methanol in both batch and fixed bed reactors. Mg–Al and Zn–Al mixed oxides were prepared by the calcination of Mg–Al and Zn–Al hydrotalcites with the Mg/Al and Zn/Al molar ratios 2. Zn–Al mixed oxide possessed higher ester yield than Mg–Al mixed oxide under the same reaction conditions in a batch reactor. In a fixed bed reactor, Zn–Al mixed oxides possessed high ester yield after 32 h time on stream (ca 88% at 115 °C).
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Acknowledgement
The publication is a result of the Project Reg. No. 15-21817S which was financially supported by the Czech Science Foundation (GACR). The project has been integrated into the National Programme for Sustainability I of the Ministry of Education, Youth and Sports of the Czech Republic through the project Development of the UniCRE Centre, Project Code LO1606.
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Smoláková, L., Pöpperle, L., Kocík, J. et al. Catalytic behavior of Mg–Al and Zn–Al mixed oxides in the transesterification of rapeseed oil: comparison of batch and fixed bed reactors. Reac Kinet Mech Cat 121, 209–224 (2017). https://doi.org/10.1007/s11144-017-1156-4
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DOI: https://doi.org/10.1007/s11144-017-1156-4