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Catalytic Conversion of Dihydroxyacetone to Methyl Lactate Over SnO2/Al2O3 Catalysts

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Theoretical and Experimental Chemistry Aims and scope

The conversion of dihydroxyacetone solution in methanol to methyl lactate has been studied in flow regime using xSnO2/Al2O3-supported catalysts that have been characterized by XRD, low-temperature nitrogen (ad)desorption analysis, and UV-Vis spectroscopy. It is found that Lewis and Brønsted acid sites of the surface of SnO2-containing catalysts play a crucial role in the selective conversion of dihydroxyacetone to methyl lactate. The formation of methyl lactate with a selectivity of 90% is achieved on 5%SnO2/Al2O3 catalyst at 160°C, 1.0 MPa, and under feed rate of 4 mmol C3H6O3/(gcat·h).

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Correspondence to N. L. Hes.

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Translated from Teoretychna ta Eksperymentalna Khimiya, Vol. 59, No. 4, pp. 261-264, July-August, 2023.

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Hes, N.L., Mylin, A.M. & Prudius, S.V. Catalytic Conversion of Dihydroxyacetone to Methyl Lactate Over SnO2/Al2O3 Catalysts. Theor Exp Chem 59, 302–306 (2023). https://doi.org/10.1007/s11237-024-09789-6

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  • DOI: https://doi.org/10.1007/s11237-024-09789-6

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