Abstract
In this article, we report on the dehydration of bioethanol over solid acid catalysts―0.1 mmol g−1 of phosphotungstic acid loaded on activated carbon carriers obtained from waste biomass. An ethanol vapor showed a selective transformation, catalyzed by the phosphotungstic acid, into diethyl ether at between 120 and 150 °C. At the temperature range of 180–205 °C, the ethanol conversion reaches almost 99.7% with 100% selectivity towards ethylene. The adsorption and catalytic studies have shown that the oxygen-containing functional groups on carbon solids act as sites of the immobilization of phosphotungstic acid and of the ethanol adsorption contributing to alcohol dehydration.
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Diyuk, V.E., Lisnyak, V.V., Mariychuk, R. (2020). Selective Catalytic Dehydration of Bioethanol. In: Wróbel, M., Jewiarz, M., Szlęk , A. (eds) Renewable Energy Sources: Engineering, Technology, Innovation. Springer Proceedings in Energy. Springer, Cham. https://doi.org/10.1007/978-3-030-13888-2_6
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DOI: https://doi.org/10.1007/978-3-030-13888-2_6
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