Abstract
Experimental liquid-liquid equilibrium data were obtained for systems containing water, NaCl, a linear hydrocarbon solvent, a straight chain alcohol, and the two-tailed cationic surfactant dioctyldimethylammonium chloride (DODMAC). The experiments were carried out at 296.1 K and at atmospheric pressure. The solvents used were octane, decane, dodecane, tetradecane, and hexadecane. The alcohols utilized were 1-decanol and 1-dodecanol. High concentrations of water in the organic media and three phase transitions were observed for all solvent-alcohol combinations. The experimental results indicate the formation of water + hydrocarbon microemulsions for all systems.
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