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Energy and carbon dioxide emission analysis of a batch-mode paddy drying process in a rotary dryer

Author

Listed:
  • Dewi Qurrota A'yuni

    (Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, Indonesia)

  • Dede Kurniawan

    (Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, Indonesia)

  • Muhammad Pradhipta Irwanda Prayoga

    (Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, Indonesia)

  • Andri Cahyo Kumoro

    (Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, Indonesia)

  • Mohamad Djaeni

    (Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, Indonesia)

  • Agus Subagio

    (Department of Physics, Faculty of Science and Mathematics, Universitas Diponegoro, Semarang, Indonesia)

Abstract

The rice drying process in a rotary dryer gives the benefit of producing uniformly dried rice in a short drying time. This work investigated a rotary dryer's efficiency and heat consumption at various temperatures (40, 50, and 60 °C) and capacities (10, 20, 30, and 40 kg). When loaded with 10 to 30 kg of rough rice and operated at 60 °C, the dryer produced dry rice with 14% w.b. moisture content for less than 3 hours. The energy efficiency and consumption were evaluated based on the experiment and theoretical analysis. According to the observation, a high temperature significantly shortened drying time. Thus, the total energy and fuel consumption decreased even at the higher capacity. The lowest carbon dioxide emission was achieved at the highest temperature and capacity.

Suggested Citation

  • Dewi Qurrota A'yuni & Dede Kurniawan & Muhammad Pradhipta Irwanda Prayoga & Andri Cahyo Kumoro & Mohamad Djaeni & Agus Subagio, 2024. "Energy and carbon dioxide emission analysis of a batch-mode paddy drying process in a rotary dryer," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 70(1), pages 35-42.
    • Handle: RePEc:caa:jnlrae:v:70:y:2024:i:1:id:32-2023-rae
    DOI: 10.17221/32/2023-RAE
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