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Optimization of process parameters to implement biomass gasifier for drying high moisture paddy in reversible flatbed dryer

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  • Wincy, W. Beno
  • Edwin, M.
  • Sekhar, S. Joseph

Abstract

Drying of high moisture paddy is one of the most attractive process for the possible use of rice husk (RH). To get maximum thermal energy from RH, thermochemical gasification technology can be implemented in drying. Therefore, this study investigates the possibility of implementing biomass gasifier to dry the soaked paddy in a Reversible Airflow Flatbed Dryer (RAFD). Response surface method is selected for the analysis. A designed set of experiments are used to find the Head Rice Yield (HRY), Overall System Efficiency (OSE), Specific Energy Consumption (SEC) and Specific Fuel Consumption (SFC). The important process parameters selected are Drying Air Temperature (DAT), Drying Air Velocity (DAV) and Bed Height (BH). The quadratic model of the central composite design methodology is selected to derive the relation between process and performance parameters. The results show that all the performance parameters are highly influenced by DAT followed by BH and DAV, and their optimal values are found as 81.99 °C, 8.97 cm and 0.05 m/s respectively. At this condition, the largest HRY and OSE are 62.4% and 59.198%, where the least Drying Time (DT), SEC and SFC are 5.349 h, 2.744 MJ/kg of water and 0.1022 kg rice husk/kg of paddy respectively.

Suggested Citation

  • Wincy, W. Beno & Edwin, M. & Sekhar, S. Joseph, 2022. "Optimization of process parameters to implement biomass gasifier for drying high moisture paddy in reversible flatbed dryer," Energy, Elsevier, vol. 249(C).
    • Handle: RePEc:eee:energy:v:249:y:2022:i:c:s0360544222006740
    DOI: 10.1016/j.energy.2022.123771
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    Citations

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    Cited by:

    1. Percy, A. Jemila & Edwin, M., 2023. "Studies on the performance and emission characteristics of a dual fuel VCR engine using producer gas as secondary fuel: An optimization approach using response surface methodology," Energy, Elsevier, vol. 263(PA).
    2. Das, Hirakh Jyoti & Saikia, Rituraj & Mahanta, Pinakeswar, 2023. "Thermo-economic assessment of bubbling fluidized bed paddy dryers," Energy, Elsevier, vol. 263(PC).
    3. Li, Mengjie & Liu, Ming & Xu, Can & Wang, Jinshi & Yan, Junjie, 2023. "Thermodynamic and sensitivity analyses on drying subprocesses of various evaporative dryers: A comparative study," Energy, Elsevier, vol. 284(C).

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