The research of the kinetics of sunflower cake extraction by ethyl alcohol

Authors

  • Павло Федорович Петік Ukrainian scientific-research Institute of fats and oils NAAN 61019, Kharkov, etc. Dziuba 2, Ukraine https://orcid.org/0000-0002-1618-3986
  • Валерій Васильович Гірман Ukrainian scientific-research Institute of fats and oils NAAN 61019, Kharkov, etc. Dziuba 2, Ukraine https://orcid.org/0000-0003-4298-2201
  • Олена Валеріївна Мазур Ukrainian scientific-research Institute of fats and oils NAAN 61019, Kharkov, etc. Dziuba 2, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2014.30426

Keywords:

ethanolic extraction, sunflower cake, kinetics, internal diffusion, oil content, miscella concentration

Abstract

The present paper deals with theoretical and experimental substantiation of the basic process laws of the sunflower cake extraction by unconventional solvent - ethyl alcohol. Industrial samples of sunflower cake in the form of granules and grits, for which the porosity parameters (porosity and filtration ratios) were defined, were subjected to the test. Physical model of the 8-step extractor, operating by the countercurrent irrigation principle was developed using a specially designed laboratory setup. The influence of some technological factors (duty of water, extraction time and oilseed material structure) on the sunflower oil extraction kinetics (original cake oil content variation in time) and miscella concentration at each extraction stage was experimentally found. Based on the experimental results, internal diffusion coefficient for ethanolic extraction of sunflower cake, depending on the porosity and filtration indicators was calculated using MathCad and MicrosoftExsel application package. It was shown that improved ethyl alcohol percolation in the granule is confirmed by the higher value of the coefficient of internal diffusion in the granule. The latter is about 2 times higher than that for the hexane extraction. New scientific data for the formulation of the values of process parameters for future technology were obtained.

Author Biographies

Павло Федорович Петік, Ukrainian scientific-research Institute of fats and oils NAAN 61019, Kharkov, etc. Dziuba 2

Candidate of technical Sciences, Director

Валерій Васильович Гірман, Ukrainian scientific-research Institute of fats and oils NAAN 61019, Kharkov, etc. Dziuba 2

Head of department

Department of research technology oil-extraction production

Олена Валеріївна Мазур, Ukrainian scientific-research Institute of fats and oils NAAN 61019, Kharkov, etc. Dziuba 2

Candidate of technical Sciences, head sector

Sector of research technologies oil-extraction production

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Published

2014-12-11

How to Cite

Петік, П. Ф., Гірман, В. В., & Мазур, О. В. (2014). The research of the kinetics of sunflower cake extraction by ethyl alcohol. Eastern-European Journal of Enterprise Technologies, 6(6(72), 13–18. https://doi.org/10.15587/1729-4061.2014.30426

Issue

Vol. 6 No. 6(72) (2014): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2014 Павло Федорович Петік, Валерій Васильович Гірман, Олена Валеріївна Мазур

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