期刊
HIGH TEMPERATURE
卷 56, 期 6, 页码 915-920出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0018151X18060263
关键词
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资金
- Russian Foundation for Basic Research [17-19-01617]
- Russian Science Foundation [17-19-01617] Funding Source: Russian Science Foundation
The chemical composition of bio-oil obtained from Arthrospira platensis biomass via hydrothermal liquefaction at 240-330 degrees C has been studied with an elemental analysis and Fourier transform ultrahigh resolution mass spectrometry with ionic cyclotron resonance. An increase in temperature leads to an increased bio-oil yield, decreased oxygen, and an increase in the amount of carbon and nitrogen. The weighted Kendrick mass defect histogram showed for the first time that the main nitrogen-containing and oxygen-containing compounds are ON, O2N3, O3N2, ON2, N, and N-2. The character of the change in their relative amount in bio-oil with a temperature change is also revealed. The Venn diagram shows the intersection of the sets of molecular formulas found in bio-oil samples obtained at different temperatures. The results may be used to optimize the hydrothermal liquefaction of microalgae and their subsequent processing into motor fuel.
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