Abstract
In the research, aminoethyl imidazolines of cottonseed oil fatty acids with diethylenetriamine have been synthesized using the ultrasonic device creating the effect of cavitation. The yield of imidazolines was 90% - 95%. The influence of the synthesized imidazolines on lubricity quality of low sulfur diesel fuels having low lubricating quality was studied. The results showed that at concentrations 200 - 250 ppm the synthesized imidazolines can be applied as additives enhancing lubricity quality of diesel fuels.
Highlights
Cavitation, Imidazoline, Cottonseed Oil Fatty Acids, N-Hydroxyethyl Ethylenediamine, Diethylenetriamine. Imidazolines and their derivatives are used as additives to diesel fuels, it should be noted that works in this direction have just begun and need systematic studies [1]-[16]
The technical result is an improvement of anticorrosive properties and combustion quality, extension of storage life to 2 - 3 years, which is especially important in cold climates where condensation occurs and droplets of moisture favor the processes of hydrolysis and oxidation of fuels, thereby diesel fuels containing the known additives are prone to corrosion
The synthesis of the above listed imidazolines was conducted by the following procedure: in a four-neck flask equipped with an ultrasonic sonotrode, a thermometer, a Dean-Stark trap and a dropping funnel the calculated amount of the amine dissolved in 100 ml of o-xylene is placed, the sonotrode is activated and the temperature of the mixture rises to the boiling point of o-xylene
Summary
Imidazolines and their derivatives are used as additives to diesel fuels, it should be noted that works in this direction have just begun and need systematic studies [1]-[16]. In order to achieve all of the abovementioned parameters in [10] the additive containing the following components: di-tert-butyl peroxide, imidazoline of tall oil fatty acids and neodecanoic acid were used. In this composition, the organic di-tert-butyl peroxide is a source of supplemental oxygen and free radicals for acceleration of combustion chain reaction for the diesel fuel. Imidazolines of tall oil fatty acids act as an ashless detergent to maintain fuel system cleanliness (including combustion chamber and injector), absorb moisture, preventing rust and corrosion; neodecanoic acid acts as an initiator and stabilizer for the above-mentioned organic peroxide and provides resistance of diesel fuel to microbes which is important when using biodiesel fuel. In the present work the process of obtaining amino- and hydroxyethyl imidazolines of cottonseed oil fatty acids using ultrasonic cavitation has been investigated and the synthesized imidazolines were added to diesel fuels to improve their lubricity
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