Abstract
The article focuses on the synthesis of Gemini cationic surfactants using dodecyldiethylolammonium bromide (DDDEAB), dodecyltriethylolammonium bromide (DDTEAB) and 2:1 mol potassium oxalate (PO). The structure of the obtained substances was determined using IR-spectroscopy. The study examines the surface tension and electrical conductivity of the new surfactants in aqueous solutions with different concentrations. The parameters such as critical micelle concentration, degree of counterion binding, effectiveness of surface tension reduction, surface excess concentration, surface area polar group per molecule at the air-water interface, Gibbs free energy values of adsorption and micellar formation processes were calculated. The article investigates the petroleum collecting and dispersing properties as well. Collecting and dispersing ability of the surfactants on a petroleum sample from Pirallahi field under laboratory conditions were observed.
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