A Comparative Analysis of Bio-Oil Collected Using an Electrostatic Precipitator from the Pyrolysis of Douglas Fir, Eucalyptus, and Poplar Biomass

Manish Sakhakarmy, Ayden Kemp, Bijoy Biswas, Sagar Kafle and Sushil Adhikari ()
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Manish Sakhakarmy: Biosystems Engineering Department, Auburn University, 200 Corley Building, Auburn, AL 36849, USA
Ayden Kemp: Biosystems Engineering Department, Auburn University, 200 Corley Building, Auburn, AL 36849, USA
Bijoy Biswas: Biosystems Engineering Department, Auburn University, 200 Corley Building, Auburn, AL 36849, USA
Sagar Kafle: Biosystems Engineering Department, Auburn University, 200 Corley Building, Auburn, AL 36849, USA
Sushil Adhikari: Biosystems Engineering Department, Auburn University, 200 Corley Building, Auburn, AL 36849, USA

Energies, 2024, vol. 17, issue 12, 1-13

Abstract: The conversion of biomass into bio-oil through the pyrolysis process offers numerous benefits, such as bio-fuel and bio-resin synthesis. However, for bio-oil usage for any application, understanding its composition is vital. Therefore, this study investigated the effects of different commonly available woody biomass (Douglas fir, eucalyptus, and poplar) on bio-oil composition. The bio-oil was produced through fast pyrolysis at 500 °C in a fluidized bed reactor and collected using an electrostatic precipitator. The chemical composition was analyzed using gas chromatography–mass spectroscopy, and the hydroxyl groups were quantified using phosphorous-31 nuclear magnetic resonance. The poplar bio-oil had the most significant proportion (67 area%) of lignin-derived compounds and the highest OH concentration (6 mmol g −1 ). However, the proportion of carbohydrate-derived compounds was the largest (44 area %) in bio-oil produced from Douglas fir. Based on the OH concentration, poplar would be the most suitable feedstock for resin synthesis among the three feedstocks tested.

Keywords: phenolics; 31 P-NMR; hydroxyl concentration; bio-resin; 3D printing (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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