Chemical and fractional composition of bio-oil obtained from Arthrospira platensis by hydrothermal liquefaction

2018 4th International Conference on Renewable Energy Technologies

Vlaskin, Mikhail^1 ; Grigorenko, Anatoly^1 ; Ambaryan, Grayr^1 ; Chernova, Nadezhda^1,2 ; Kiseleva, Sophia^1,2 ; Kostyukevich, Yury^1,3 ; Vladimirov, Gleb^1,3 ; Nikolaev, Eugeny^3

Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13 Bldg 2, Moscow

125412, Russia^1

Lomonosov Moscow State University, Leninskiye Gory 1, Moscow

119991, Russia^2

Skolkovo Institute of Science and Technology, Novaya St. 100, Skolkovo

143025, Russia^3

关键词: Arthrospira platensis;    Boiling temperature;    Fourier transform ion cyclotron resonance mass spectrometry;    Fractional composition;    Hydrothermal liquefactions;    Hydrothermal process;    Liquefaction process;    Ultrahigh resolution;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/168/1/012039/pdf
DOI  :  10.1088/1755-1315/168/1/012039

来源: IOP

【 摘 要 】

This work is devoted to the study of chemical and fractional composition of the bio-oil obtained from Arthrospira platensis by hydrothermal liquefaction in the temperature range of 240-330 °C. For bio-oil analysis standard elemental analysis, ultrahigh resolution Fourier transform ion cyclotron resonance mass spectrometry (FT ICR MS) and thermogravimetric analysis were used. It was shown that the yield of bio-oil was increased from 12.4% at 240 °C to 37.2% at 330 °C. With temperature increasing the spectrum of compounds found in bio-oil using FT ICR MS narrowes and moves to the region of low-molecular compounds. It was found that among the components containing nitrogen and oxygen, compounds containing 1 and 2 nitrogen atoms, as well as ON and O2N3 classes, dominate in the bio-oil. With the increase in the temperature of the liquefaction process, classes of compounds containing several oxygen atoms ON, O2N3, O3N2, ON2, transforms into the classes N and N2. By thermogravimetric analysis it was shown that the gasoline fraction (with boiling temperatures up to 200 °C) in bio-oil samples obtained from Arthrospira platensis at 240-330 °C was in the range of 20-22%. The fraction of light-boiling components in bio-oil was slightly decreased when the temperature of hydrothermal process was increased.