Effect of Pyrolysis Temperature on Physical Properties of Bio-Oil from Agricultural Residues and Woody Biomass
Adhikari, S., Thangalazhy-Gopakumar, S., Ravindran, H., Fasina, O., Taylor, S.
of this study was to examine the effect of pyrolysis temperature on biooil’s
physical properties. Biooil was produced in a bench scale auger reactor from
locally available biomass feedstocks. Agricultural wastes (poultry litter and
peanut hulls), pine wood (abundant in the southern United States), and an energy
crop (switchgrass) were selected as feedstocks for biooil production.
Experiments were performed at temperatures from 450 oC to 600 oC, in increments
of 50 oC. The biooil yield varied from 18 wt.% to 36.6 wt.% (wet basis) and the
switchgrass gave the highest yield among the feedstocks tested in this study.
The highest biooil yield for pine wood (36 wt.%) was obtained at 600 °C whereas
the highest yields for switchgrass (36.6 wt%), peanut hulls (34.2 wt.%) and
poultry litter (22.9 wt.%) were obtained at 450 °C. Physical properties, such as
density, pH, water content and viscosity were analyzed in this study. The
feedstock and pyrolysis temperature influenced the physical properties of
biooil. The biooil derived from poultry litter was almost neutral or basic
whereas the other three feedstocks gave highly acidic biooil.
biochar, biomass, fast pyrolysis
Thermochemical conversion - Pyrolysis for power, CHP, polygeneration and chemicals
Classical pyrolysis processes
18th European Biomass Conference and Exhibition
961 - 967
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