Abstract

MOSQUERA-ARTAMONOV, J.D. et al. Optimization of castor seed oil extraction process using response surface methodology. Ing. Investig. [online]. 2016, vol.36, n.3, pp.82-88. ISSN 0120-5609.  https://doi.org/10.15446/ing.investig.v36n3.55632.

This work focuses on the study of the oil extraction yield from castor seed using three different seed conditions: whole, minced and bare endosperm. Taguchi design was used to determine the contribution of the following parameters: seed condition, seed load in the extractor, temperature, and pressure. It was proved that it is necessary to introduce the whole seed and that the presence of the pericarp increases the extraction yield. The contribution of the control factors has an extraction yield limit. After determining which factors contributed to the process, these were left at their optimum levels aiming to reduce the control factors to only two. The complete analysis was done using a surface response methodology giving the best parameter for temperature and pressure that allows a better yielding mechanical extraction. The oil extraction yield can be kept up to 35 % of the seed.

Keywords : Experiment design; mechanical extraction; Ricinus communis L.

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