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Open AccessArticle

Conversion of D-Fructose into Ethyl Lactate Over a Supported SnO2–ZnO/Al2O3 Catalyst

Institute for Sorption and Problems of Endoecology of National Academy of Sciences of Ukraine, 13 General Naumov Str., Kyiv 03164, Ukraine
Author to whom correspondence should be addressed.
Colloids Interfaces 2019, 3(1), 16;
Received: 17 December 2018 / Revised: 17 January 2019 / Accepted: 22 January 2019 / Published: 25 January 2019
The study is directed to the search of a simple effective catalyst for ethyl lactate obtained from fructose as renewable raw material. A series of SnO2-containing oxides prepared by impregnation of alumina were characterized by several techniques in order to determine their textural and acid-base properties. The transformation of a 13% fructose solution in 98% ethanol over SnO2/Al2O3 catalysts using autoclave rotated with 60 rpm at 160 °C for 3 h was studied. It was found that doping SnO2/Al2O3 samples with ZnO improves selectivity towards ethyl lactate. The supported SnO2-ZnO/Al2O3 catalyst provides 100% fructose conversion with 55% yield of ethyl lactate at 160 °C. A possible scheme of fructose transformation into ethyl lactate on L-acid IVSn4+ sites is discussed. View Full-Text
Keywords: fructose; ethyl lactate; SnO2/Al2O3 catalyst fructose; ethyl lactate; SnO2/Al2O3 catalyst
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Prudius, S.V.; Hes, N.L.; Brei, V.V. Conversion of D-Fructose into Ethyl Lactate Over a Supported SnO2–ZnO/Al2O3 Catalyst. Colloids Interfaces 2019, 3, 16.

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