Lubricating materials based on waste oleo products
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phosphatide concentrate
waste cooking oil
calcium hydrated grease
multifunctional additives

How to Cite

Papeikin, O., Bodachivska, L., Venger, I., Davitadze, D., & Spas’ka, O. (2021). Lubricating materials based on waste oleo products. Catalysis and Petrochemistry, (31), 48-54.


Phosphatide concentrates and waste cooking oils - wastes that do not find qualified use and sources of environmental pollution, on the one hand, and on the other - valuable raw materials for the production of lubricating materials, additives and surfactants. The paper demonstrates the possibility of using these wastes as components in technologies for obtaining hydrated calcium greases and surfactants. By saponification of phosphatide concentrates and waste cooking oils were obtained the dispersed phases of thixotropic systems and were investigated their rheological properties. Derivatives of phosphoric acid in the composition of greases form a stronger structural framework, which is characterized by increased melting point and tribological properties capable of operating in high-load friction points. Surfactants were obtained by amidation of phosphatide concentrates and waste cooking oils. Synthesized alkanolamides combine with almost all mineral and synthetic oils and based on them developed compositions of lubricating materials. Tests of these compositions shown that synthesized surfactants from waste prove as effective multifunctional additives. Due to the chelating groups -OH, -NH2, -CONH, -COOH, -PO(OH)2, hydrophobic chelate complexes are formed, which not only impart systems homogeneity, but also provide improved protective, antioxidant and tribochemical properties of oils and lubricating compositions. Bench tests of resistance to oxidation of lubricating compositions with amidated phosphatide concentrates conducted at a temperature of 150 ºC confirmed their inhibitory effect, which allows to recommend them for use in high-temperature greases.
Article PDF (Українська)


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