Active, Selective, and Recyclable Zr(SO4)2/SiO2 and Zr(SO4)2/Activated Carbon Solid Acid Catalysts for Esterification of Malic Acid to Dimethyl Malate
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DOI: 10.3390/catal10040384
Abstract: The esterification of malic acid using traditional homogenous catalysts suffers from the difficulty in reuse of the catalyst and undesirable side reactions. In this work, Zr(SO4)2/SiO2 and Zr(SO4)2/activated carbon (AC) as solid acid catalysts were… read more here.
Keywords: acid; so4 sio2; malic acid; esterification malic ... See more keywords
Preparation of ethyl levulinate from wheat stalk over Zr(SO4)2/SiO2
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DOI: 10.3906/kim-2010-67
Abstract: A series of Zr(SO4)2/SiO2 solid acid catalysts with different Zr(SO4)2 loadings were prepared by water-soluble-impregnation method at room temperature. Then, the prepared catalysts were characterized by Fourier transform infrared spectroscopy, transmission electron microscopy and energy-dispersive… read more here.
Keywords: wheat stalk; ethyl levulinate; so4 sio2; so4 ... See more keywords