Sensitivity analysis of biomass pyrolysis for renewable fuel production using Aspen Plus

Pali Rosha, Sandeep Kumar and Hussameldin Ibrahim

Energy, 2022, vol. 247, issue C

Abstract: In this study, an Aspen Plus simulator was employed to carry out the overall system's sensitivity analysis using a steady-state model. Results illustrated that the pyrolizer temperature significantly affects product yields, while the maximum pyro-oil (53.9%) was obtained at 415 °C and residence time (1 s), along with gas (20.6%) and char (25.4%). However, with increased residence time from 0.5 to 9 s, the continual decrement in pyro-oil yield was observed. A sensitivity analysis was performed and attained maximum conversion of C3H6O and CH2O2 under optimized parametric (temperature: 250 °C; pressure: 150 bar; H2: 0.6 kg/h) conditions were 99.1 and 95.7%, respectively. Regarding biogas reforming, at 850 °C, the maximum CH4 conversion (66.6%) and H2 production (2.3 kg/h) attained; then, it starts to follow constant trends when increasing temperature (>850 °C). The H2 content in the generated stream of biogas dry reformer, considered vital for further application, yields a peak at approximately 850 °C and 1 bar, and WGSR performed well to enhance H2 yield. It is expected that the simulated outcomes would be helpful in the selection of parametric conditions for renewable fuel production through pyrolysis.

Keywords: Renewable energy; Pyro-oil; Fast pyrolysis; Hydrotreating; Aspen plus; Simulation (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:247:y:2022:i:c:s0360544222004480

DOI: 10.1016/j.energy.2022.123545

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