Regularities of filtration of sunflower oil with the use of vibroacoustic exposure
https://doi.org/10.20914/2310-1202-2017-1-68-72
Abstract
The residue in sunflower oil is a dispersed phase consisting of particulate products grinding sunflower seeds in the form of particles of the pulp, oil cake, meal, residual quantities of metals, pesticides. In the recycling process they are in the oil in suspension and negatively affect its quality. For research an experimental setup was developed allowing to change the angle of inclination of the filter element. The regularities of filtration were determined without preliminary purification of sunflower oil by centrifugation and after centrifugation. It is established, the contamination of centrifuged oil in the initial period is 14.6 times lower. After 10 minutes of treatment, it decreases by 62%, after 20 minutes – by 79.4%. With a 30-minute treatment, particles of 0.005-0.1 mm in size are removed to 90%, which is approximated to the refined oil in terms of contamination. The influence of vibration-acoustic action on sunflower oil during its filtration is shown. At the last stage of production, the peroxide index is reduced to 2-3 moles of active oxygen, and after 3 months of storage – from 11.8 to 7.7, which according to GOST corresponds to the highest-grade oil. The regularities of the filtration without pre-treatment of sunflower oil by centrifugation and after centrifugation. Shows the effect of vibroacoustic exposure on sunflower oil when filtering. The obtained data on the change of qualitative parameters of sunflower oil during its filtration in the field of vibroacoustic impact.
About the Authors
S. A. Bredikhin
Russian state agricultural university named after K.A. Timiryazev
Russian Federation
doctor of technical sciences, head of department, Processes and apparatus of processing industries department, Timiryazevskaya St. 49, Moscow, 127550, Russia
Russian Federation
doctor of technical sciences, head of department, Processes and apparatus of processing industries department, Timiryazevskaya St. 49, Moscow, 127550, Russia
F. Y. Rudik
Saratov state agrarian University named after N.I. Vavilov
doctor of technical sciences, professor, food technology departmnet, Theatre square, 1, Saratov, 410012, Russia
doctor of technical sciences, professor, food technology departmnet, Theatre square, 1, Saratov, 410012, Russia
M. S. Tuliyeva
West Kazakhstan agrarian technical University named after Zhangir Khan
senior lecturer, Technology of processing of food products department, Zhangir Khan street, 51, Uralsk, Kazakhstan
senior lecturer, Technology of processing of food products department, Zhangir Khan street, 51, Uralsk, Kazakhstan
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Review
For citations:
Bredikhin S.A., Rudik F.Y., Tuliyeva M.S. Regularities of filtration of sunflower oil with the use of vibroacoustic exposure. Proceedings of the Voronezh State University of Engineering Technologies. 2017;79(1):68-72. (In Russ.) https://doi.org/10.20914/2310-1202-2017-1-68-72
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