Development and evaluation of a combined roaster expeller for castor seeds for biodiesel production

Rasheed Amao Busari, Joshau Olarnrewaju Olaoye, Emmanuel Segun Adebayo and Adeshina Fadeyibi
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Rasheed Amao Busari: Food and Agricultural Engineering Department, Kwara State University Malete, Malete, Nigeria
Joshau Olarnrewaju Olaoye: Agricultural and Biosystems Engineering, Faculty of Engineering, University of Ilorin, Ilorin, Nigeria
Emmanuel Segun Adebayo: Department of Agricultural and Bioresources Engineering, Federal University of Technology Minna, Minna, Nigeria
Adeshina Fadeyibi: Food and Agricultural Engineering Department, Kwara State University Malete, Malete, Nigeria

Research in Agricultural Engineering, 2022, vol. 68, issue 4, 169-179

Abstract: A combined roaster and oil expeller was developed with locally available and accessible materials and the efficiency of the machine was evaluated. The obtained result shows that the efficiency of the machine is a function of the roasting temperature, the roasting duration, the moisture contents of the processed seeds and the machine feeding rate. The expeller is movable, simple in design for local fabrication, is easy to operate, requires few repairs and little maintenance and is cost effective. It is powered using a gear reduction electric motor of 5.5 Hp, the expeller has an average oil yield of 25.77% and an extraction efficiency of 70.26% and is designed to work for 8 hours per day of operation. The shaft diameter was designed to be 30 mm, while the roaster heater capacity was 2.8 kW. The designed machine is good for castor oil expression for both small- and medium-scale processing among rural and urban communities.

Keywords: design and oil yield; extraction efficiency; extractor; process parameters (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlrae:v:68:y:2022:i:4:id:83-2020-rae

DOI: 10.17221/83/2020-RAE

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