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Fractional Composition Analysis for Upgrading of Fast Pyrolysis Bio-Oil Produced from Sawdust

Author

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  • Hwayeon Jeon

    (Research Institute of Future Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Korea
    Department of Environmental Engineering, Korea University, Sejong 30019, Korea)

  • Jo-Yong Park

    (Research Institute of Future Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Korea)

  • Jae Woo Lee

    (Department of Environmental Engineering, Korea University, Sejong 30019, Korea)

  • Chang-Ho Oh

    (Daekyung ESCO, Incheon 21984, Korea)

  • Jae-Kon Kim

    (Research Institute of Future Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Korea)

  • Jaeyoung Yoon

    (Department of Environmental Engineering, Korea University, Sejong 30019, Korea)

Abstract

We can prevent climate change by reducing greenhouse gas (GHG) emissions caused by fossil fuel usage through introducing alternative fuels such as bio-oil. The fast pyrolysis process used for wood materials has recently gained substantial attention as an approach to produce bio-oil worldwide and in Korea as well. Bio-oil from fast pyrolysis contains highly oxygenated compounds and phenolics, thereby requiring upgrading processes, such as deoxygenation and condensation, for high-end use. To determine an efficient upgrading method for fast pyrolysis bio-oil (FPBO), one needs to elucidate its composition and classify it into chemical groups. We analyzed the composition of fractionized FPBO toward high-end use. FPBO was separated into two layers by adding distilled water: (a) the water-soluble phase, and (b) the oil phase, whereas liquid-liquid extraction and multi-step separation were applied for fractionization, respectively. The fractions were obtained, and their chemical groups were analyzed by gas chromatography time-of-flight mass spectrometry (GC×GC-TOF/MS). The water phase was separated into two fractions and classified into the main chemical groups of phenolics (9%) and heterocyclics (31%). The oil phase, which was separated into four fractions, was classified into the main chemical groups of phenolics (32%) and heterocyclics (23%). Our findings can help to upgrade products for high-end use.

Suggested Citation

  • Hwayeon Jeon & Jo-Yong Park & Jae Woo Lee & Chang-Ho Oh & Jae-Kon Kim & Jaeyoung Yoon, 2022. "Fractional Composition Analysis for Upgrading of Fast Pyrolysis Bio-Oil Produced from Sawdust," Energies, MDPI, vol. 15(6), pages 1-12, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:6:p:2054-:d:769004
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    References listed on IDEAS

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    1. Bilgili, Levent, 2021. "Comparative assessment of alternative marine fuels in life cycle perspective," Renewable and Sustainable Energy Reviews, Elsevier, vol. 144(C).
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    Cited by:

    1. Izabela Wardach-Świȩcicka & Dariusz Kardaś, 2023. "Prediction of Pyrolysis Gas Composition Based on the Gibbs Equation and TGA Analysis," Energies, MDPI, vol. 16(3), pages 1-18, January.

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