DETERMINATIONS OF WATER CONTENT IN USED ENGINE OIL

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8 ноябр 2022

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DETERMINATIONS OF WATER CONTENT IN USED ENGINE OIL

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Methods have been studied, such as determining the water content in used motor oil in accordance with the requirements of GOST 26378.1-84 “Waste oil products. Water Determination Method” and ultrasonic treatment of used oil. Ultrasonic exposure to samples of used motor oil was provided by the use of an ultrasonic submersible type I100-6/1-1. The emulsion state of the water-in-oil system was ascertained under a microscope to determine if the emulsification conditions are sufficient for effective ultrasonic treatment, and to measure the water content of the used motor oil, which is necessary to achieve a state of effective bubble and micelle formation. Also, images of the water-in-oil emulsion were obtained using an optical microscope. The introduction of a surfactant into the oil-water system made it possible to achieve the formation of water droplets of predominantly the same size. Thinner and more uniformly dispersed bubbles were not observed. The emulsification process largely depends on the type and amount of surfactant used. Nonionic surfactants (ethoxylates, propoxylates) were considered as a component of such a functional purpose. For ultrasonic processing of samples of used motor oils, a batch unit was used.

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# emulsion# composition# Petroleum products# used engine oil# gear oil

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https://eroi.uz/11.0008/A1122-0037

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