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Study on kinetics and bio-oil production from rice husk, rice straw, bamboo, sugarcane bagasse and neem bark in a fixed-bed pyrolysis process

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  • Gautam, Neha
  • Chaurasia, Ashish

Abstract

In this study, rice husk, rice straw, bamboo, sugarcane bagasse, and neem bark were pyrolyzed in a fixed-bed pyrolyzer to examine the influence of operating conditions, such as the temperature of the pyrolysis process, residence time of volatiles, and reactor length, on the yield of bio-oil and individual gas components. The temperature of pyrolysis was varied from 350 to 650 °C at increments of 50 °C, and the length of the reactor was varied from 45 to 60 cm at intervals of 5 cm. The maximum bio-oil production of 46.93 wt% and the pyrolysis char of 26.2 wt% was obtained for bamboo at 450 °C. The highest amount of clean syngas (carbon monoxide and hydrogen) was produced for neem bark (52.61 vol%). The gaussian distributed activation energy model data exhibited a superior fit with the experimental data compared with the single-reaction model for bio-oil and all other individual component gases. The presence of C–H, CC, alcohols and phenolic compounds indicated that the bio-oil obtained from all the biomass species could potentially be used as fuel. The steady-state mass and energy balances for the entire pyrolysis plant were obtained using the Aspen Plus simulation.

Suggested Citation

  • Gautam, Neha & Chaurasia, Ashish, 2020. "Study on kinetics and bio-oil production from rice husk, rice straw, bamboo, sugarcane bagasse and neem bark in a fixed-bed pyrolysis process," Energy, Elsevier, vol. 190(C).
    • Handle: RePEc:eee:energy:v:190:y:2020:i:c:s0360544219321292
    DOI: 10.1016/j.energy.2019.116434
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    References listed on IDEAS

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    1. Chaurasia, Ashish, 2016. "Modeling, simulation and optimization of downdraft gasifier: Studies on chemical kinetics and operating conditions on the performance of the biomass gasification process," Energy, Elsevier, vol. 116(P1), pages 1065-1076.
    2. Chaurasia, Ashish, 2018. "Modeling of downdraft gasification process: Studies on particle geometries in thermally thick regime," Energy, Elsevier, vol. 142(C), pages 991-1009.
    3. Chaurasia, Ashish, 2019. "Modeling of downdraft gasification process: Part I - Studies on shrinkage effect on tabular, cylindrical and spherical geometries," Energy, Elsevier, vol. 169(C), pages 130-141.
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    1. Lifita N. Tande & Erik Resendiz-Mora & Valerie Dupont, 2021. "Bioh 2 , Heat and Power from Palm Empty Fruit Bunch via Pyrolysis-Autothermal Reforming: Plant Simulation, Experiments, and CO 2 Mitigation," Energies, MDPI, vol. 14(16), pages 1-25, August.
    2. Chaurasia, Ashish, 2020. "Modeling of downdraft gasification process: Part II - Studies on the effect of shrinking and non-shrinking biomass geometries on the performance of gasification process," Energy, Elsevier, vol. 207(C).
    3. Salina, Fernando Henriques & Molina, Felipe Braggio & Gallego, Antonio Garrido & Palacios-Bereche, Reynaldo, 2021. "Fast pyrolysis of sugarcane straw and its integration into the conventional ethanol production process through Pinch Analysis," Energy, Elsevier, vol. 215(PA).

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