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

Dewi Qurrota A'yuni, Dede Kurniawan, Muhammad Pradhipta Irwanda Prayoga, Andri Cahyo Kumoro, Mohamad Djaeni and Agus Subagio
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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

Research in Agricultural Engineering, 2024, vol. 70, issue 1, 35-42

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.

Keywords: energy consumption; energy efficiency; fuel consumption; moisture content (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlrae:v:70:y:2024:i:1:id:32-2023-rae

DOI: 10.17221/32/2023-RAE

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