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Efect of feed particle size and solvent fow rate on soybean oil extraction in a percolation type extractor.

Deepali, D. Shejawale and Murugesh, C. S. and Rastogi, N. K. and Subramanian, R. (2022) Efect of feed particle size and solvent fow rate on soybean oil extraction in a percolation type extractor. Journal of Food Science and Technology, 59 (12). pp. 4723-4730. ISSN 0022-1155

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Abstract

The infuence of particle size and solvent fow rate on the kinetics of oil extraction from soybean (eight fractions from 0.433 to 0.122 mm) was studied using hex�ane, simulating commercial percolation type extractor. The reduction in particle size from 0.433 mm to 0.141 mm showed an increase in the oil yield. However, further reduc�tion to 0.129 mm and 0.122 mm afected the yield due to bed compaction, reducing porosity and contact area. The yield (21.5%) of the ground mass was similar to the major mass fractions (0.239–0.353 mm). The rate of extraction increased drastically with the solvent fow rate. The highest fow rate (9.67 mL/min) exhibited the highest mass transfer coef�cient (km) 1.62× 10–3 s −1 and the difusion coefcient (De) 1.77× 10–12 m2 /s. At 7.33 mL/min, the yield and the rate of extraction were optimal and no potential benefts were obtained at higher fow rates.

Item Type: Article
Uncontrolled Keywords: Soybean oil · Hexane · Percolation extractor · Particle size · Solvent fow rate · Kinetics
Subjects: 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 22 Lipid Chemistry
600 Technology > 08 Food technology > 22 Legumes-Pulses > 05 Soya bean
Divisions: Food Engineering
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 25 Jan 2023 04:51
Last Modified: 25 Jan 2023 04:51
URI: http://ir.cftri.res.in/id/eprint/15870

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