O. Bani, L. Sukeksi, Taslim, Iriany, M. D. Anggreawan
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Influence of Ions and Temperatures on Water-Ethanol-Gasoline Liquid-Liquid Equilibrium
Water-ethanol-gasoline liquid-liquid equilibrium (LLE) was investigated. In this study, the LLE data was obtained gravimetrically and volumetrically by turbidity titration under influence of KH2PO4, KCl, and KOH. Effect of temperature was also evaluated at 30 and 50°C. Results suggest that presence of ions alter the LLE and different ions affect the LLE differently. At concentration of 20 mM, temperature had significant effect on the LLE. Increasing temperature reduced the heterogeneous region and allowed more water in gasoline phase.
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