Effect of Process Parameters on Oil Yield Mechanically Expressed from Almond Seed (Using Response Surface Methodology)
[1]
Vivian C. Akubude, Department Agricultural and Bioresource Engineering, Federal University of Technology, Owerri, Imo State Nigeria.
[2]
Jehoshaphat N. Maduako, Department Agricultural and Bioresource Engineering, Federal University of Technology, Owerri, Imo State Nigeria.
[3]
Celestine C. Egwuonwu, Department Agricultural and Bioresource Engineering, Federal University of Technology, Owerri, Imo State Nigeria.
[4]
Adesoji M. Olaniyan, Department of Agricultural and Bioresources Engineering, Federal University Oye-Ekitti, Ekiti State, Nigeria.
[5]
Isaac C. Ozumba, National Centre for Agricultural Mechanization, Ilorin, Kwara State, Nigeria.
[6]
Caesar Nwosu, National Centre for Agricultural Mechanization, Ilorin, Kwara State, Nigeria.
[7]
Olawale E. Ajala, Department of Chemical Engineering, University of Ilorin, Ilorin, Kwara State, Nigeria.
Investigation was carried out on the effect of process parameters on oil yield from sweet almond seed (Terminalia catappia) expressed using a mechanical oil rig. A four factor, five levels central composite design (CCD) under response surface methodology was applied to determine the effect of four independent variables (moisture content (6, 7, 8, 9, 10%w.b), temperature (80, 85, 90, 95, 100°C), heating time (10, 14, 18, 22, 26min.) and applied pressure (20, 21, 22, 23, 24KN)) on oil yield. Results showed that all the variables significantly affected the oil yield at 95% confidence level. The maximum oil yield of 37.138%, was obtained at temperature, pressure, heating time and moisture content of 90°C, 24KN, 18minutes and 8%w.b respectively.
Almond Seed, Oil Extraction/Expression, Oil Yield, Response Surface Methodology
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