КІНЕТИКА ВИЛУЧЕННЯ ОЛІЇ З МАКУХИ СОНЯШНИКУ В УМОВАХ АДРЕСНОЇ ДОСТАВКИ ЕНЕРГІЇ.

Д. О., Запорожець; Н. В., Ружицька

In current paper the results of studies on the kinetics of oil extraction from sunflower cake are concidered. It is known that after pressing, oil remains in the capillary structures of the cake. In order to process raw materials more efficiently, oil residues are extracted with organic solvents. In order to improve quality and environmental safety, non-polar extractants such as hexane or extraction gasolines, which are products of petroleum refining, are gradually being replaced by renewable and less toxic ethanol. However, there is a problem of low solubility of fatty acids triglycerides in ethanol. Ethanol's effectiveness as an extractant is due to emulsification of oils, not just dissolution. The article proposes to intensify both the mass exchange component of the oil extraction process (extraction) and the hydromechanical component (emulsification) using targeted energy delivery technologies. It is assumed that the mechano-diffusion mechanism under the conditions of the microwave field not only destroys the capillaries of the raw material and intensifies the diffusion processes, but also increases the output of finely dispersed oil droplets into the extractant. Experimental studies of the dependence of oil extraction kinetics on temperature, hydraulic regime, particle size, and specific energy input have been conducted. Attempts were made to hydromechanically separate the oil from the emulsified extract. Targeted energy delivery and cake grinding have been found to increase oil yield. An increase in specific energy consumption in the studied range does not affect the yield of oil, which opens up opportunities to reduce this indicator and further increase the energy efficiency of the process.

PETROLEUM products; ENVIRONMENTAL quality; RAW materials; PETROLEUM refining; GASOLINE

Scientific Works, 2024, Vol 87, Issue 1, p156

2073-8730

Academic Journal

10.15673/swonaft.v88i1.2979