Solid Acid Catalyst Based on Single-Layer alpha-Zirconium Phosphate Nanosheets for Biodiesel Production via Esterification
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2018 by the authors. Licensee MDPI, Basel, Switzerland. In this study, a solid acid was prepared by the sulfonation of surface modified -zirconium phosphate (ZrP) single-layer nanosheets (SO3H@ZrP), and the prepared solid acid was investigated for the esterification of oleic acid with methanol to produce biodiesel. For comparison, liquid H2SO4 and commercial Amberlyst 15 catalyst were also evaluated for the same reaction under the same conditions. The experimental results showed that the SO3H@ZrP solid acid catalyst has a superior catalytic efficiency for the esterification reaction, as well as excellent recyclability. The SO3H@ZrP single-layer solid acid catalyst can be uniformly dispersed in the reaction media, but remains heterogeneous and thus can be easily separated and recycled.
author list (cited authors)
Zhou, Y., Noshadi, I., Ding, H., Liu, J., Parnas, R. S., Clearfield, A., ... Sun, L.
complete list of authors
Zhou, Yingjie||Noshadi, Iman||Ding, Hao||Liu, Jingjing||Parnas, Richard S||Clearfield, Abraham||Xiao, Min||Meng, Yuezhong||Sun, Luyi