Adsorption purification of sunflower oil using acid-activated montmorilonite and quality assessment

Authors

DOI:

https://doi.org/10.15587/1729-4061.2026.354824

Keywords:

sunflower oil, adsorption purification, bleaching, peroxide value, color value, gas chromatography-mass spectrometry

Abstract

This study investigates the process of sunflower oil adsorption purification using acid-activated montmorillonite from the Cherkasy deposit. The paper considers the change in sunflower oil quality indicators resulting from adsorption treatment with natural dispersed minerals.

This work reports a comprehensive solution to the problem of substantiating and devising efficient technology for vegetable oil purification that simultaneously removes impurities, oxidation products, as well as heavy metal cations. Process efficiency was evaluated using physicochemical methods, including determination of acid, color, peroxide values, mass fraction of phosphorus-containing substances, moisture, volatile matter, as well as chromatographic-mass spectrometric analysis of oil composition.

The results of experimental and pilot-scale studies demonstrate that the use of acid-activated montmorillonite at a dosage of 1% by oil mass, a temperature of 90–110°C, and a contact time of 20–30 min, ensures a reduction in the peroxide value to 3.0–3.9 mmol O2/kg, the color value to 6–9 mg I2, and the mass fraction of phosphorus-containing substances to 0.01–0.05%.

It has been shown that adsorption purification does not affect the basic triacylglycerol composition of the oil but promotes the removal of oxidized compounds that deteriorate its consumer properties and oxidative stability. The proposed technology could be implemented in industrial settings without significant modifications to existing production schemes; it represents a cost-effective alternative to imported bleaching clays

Author Biographies

Larisa Fialkovska, Vinnytsia Institute of Trade and Economics of State University of Trade and Economics

PhD, Associate Professor

Department of Tourism and Hospitality Management

Valentyna Bandura, National University of Life and Environmental Sciences of Ukraine

Doctor of Technical Sciences, Professor

Department of Processes and Equipment of Agricultural Production Processing

Marina Serdyuk, National University of Life and Environmental Sciences of Ukraine

Doctor of Technical Sciences, Professor

Department of Standardization and Certification of Agricultural Products

Maksym Hudzenko, National University of Life and Environmental Sciences of Ukraine

PhD, Associate Professor

Department of Processes and Equipment of Agricultural Production Processing

Artem Antonenko, National University of Life and Environmental Sciences of Ukraine

PhD, Associate Professor

Department of Standardization and Certification of Agricultural Products

Vitalii Mihailik, State University of Trade and Economics

PhD, Senior Lecturer

Department of Restaurant and Craft Technologies

Olga Vasylyshyna, Vinnytsia Institute of Trade and Economics of State University of Trade and Economics

PhD, Associate Professor

Department of Commoditi Studies, Expertise and Trade Entrepreneurship

References

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Adsorption purification of sunflower oil using acid-activated montmorilonite and quality assessment

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Published

2026-04-30

How to Cite

Fialkovska, L., Bandura, V., Serdyuk, M., Hudzenko, M., Antonenko, A., Mihailik, V., & Vasylyshyna, O. (2026). Adsorption purification of sunflower oil using acid-activated montmorilonite and quality assessment. Eastern-European Journal of Enterprise Technologies, 2(6 (140), 17–26. https://doi.org/10.15587/1729-4061.2026.354824

Issue

Vol. 2 No. 6 (140) (2026): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2026 Larisa Fialkovska, Valentyna Bandura, Marina Serdyuk, Maksym Hudzenko, Artem Antonenko, Vitalii Mihailik, Olga Vasylyshyna

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