Parameterization of microwave assisted oil extraction from soybeans
Document Type
Conference Proceeding
Publication Date
12-1-2009
Abstract
Microwave assisted solvent extraction has potential to replace traditional solvent extraction of oils and fats from a variety of feedstock. The purpose of this study was to optimize oil extraction parameters for a batch microwave system from soybeans. The solvent-feedstock mixtures were exposed to microwave radiation for different time-temperature combinations ranging from 60°C to 120°C for up to 20 minutes with simultaneous magnetic stirring. The solvent (ethanol) to feedstock ratio used was 3:1. After extraction, solid-liquid separation was performed in a vacuum filter, and ethanol was evaporated from the filtrate in a vacuum centrifuge. The results showed that the oil yield changes with temperature and achieves a maximum value in a relatively short time (order of minutes). Continuous exposure after this time does not increase the oil yield. The results compared well with traditional solvent extraction, especially when accounting for the extremely short times (minutes vs. hours). Maximum oil yield of 17.3% at 20 min and 120°C was achieved by microwave extraction as compared to 11.3% using conventional heating.
Publication Source (Journal or Book title)
American Society of Agricultural and Biological Engineers Annual International Meeting 2009, ASABE 2009
First Page
3723
Last Page
3728
Recommended Citation
Kanitkar, A., Sabliov, C., Balasubramanian, S., & Boldor, D. (2009). Parameterization of microwave assisted oil extraction from soybeans. American Society of Agricultural and Biological Engineers Annual International Meeting 2009, ASABE 2009, 6, 3723-3728. Retrieved from https://repository.lsu.edu/bio_engineering_pubs/434