The effects of two types of catalysts and the catalyst/feedstock ratio on the fractional composition and basic physical properties of the bio-oil were studied. Chlorella microalgae biomass was used as the feedstock. Zeolite ZSM-5 in the H-form and ZrO2/Al2O3 in the sulfate-form were used as the catalysts. Increasing the catalyst load was shown to have positive effects on the contents of gasoline and diesel fractions in the bio-oil, to reduce significantly its density and viscosity, and to lower slightly the total sulfur content.
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The work was financially supported by the Ministry of Education and Science of Russia [unique identifier of the work (project) RFMEFI57417X0137].
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Translated from Khimiya i Tehknologiya Topliv i Masel, No. 6, pp. 3 – 5, November – December, 2019.
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Kotelev, M.S., Babaev, S.N., Vlaskin, M.S. et al. Effect of Biomass Hydrothermal Liquefaction Conditions on Fractional Composition and Physical Properties of the Obtained Bio-Oil. Chem Technol Fuels Oils 55, 661–665 (2020). https://doi.org/10.1007/s10553-020-01079-w
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DOI: https://doi.org/10.1007/s10553-020-01079-w