(Liquid + liquid) equilibria of ternary and quaternary systems including 2,2,4-trimethylpentane, benzene, methanol, and water at T= 303.15 K

(Liquid+liquid) equilibria of the quaternary system methanol+isooctane+cyclohexane+benzene at T=303.15K

“…Before obtaining the LLE results for the quaternary system, one of its partially miscible ternary systems was studied while data for the other two were taken from the literature [1,2]. Ternary or quaternary mixtures of known overall composition within the heterogeneous region were prepared by mass, using several 16 mL chromatographic vials as equilibrium cells.…”

“…For this reason we are studying the phase equilibrium of systems containing hydrocarbons (benzene, isooctane, toluene, or cyclohexane) and oxygenated compounds (methanol, ethanol, or methyl tert-butyl ether) [1][2][3][4][5][6].…”

“…Data for the other two partially miscible ternary subsystems: [{w 1 CH 4 O + w 2 C 6 H 6 + w 3 C 6 H 12 } and {w 1 CH 4 O + w 2 C 6 H 6 + w 3 C 8 H 18 }] were taken from previous works [1,2], while the fourth is completely miscible [{w 1 C 6 H 12 + w 2 C 6 H 6 + w 3 C 8 H 18 }]. This particular temperature was selected because it is representative of tropical and subtropical climates.…”

Liquid–liquid equilibria of water+ethanol+reformate

“…We have previously carried out several studies on quaternary systems to assess the effect of methanol or ethanol addition on mutual hydrocarbon-water solubility at 303.15 K [3][4][5][6][7]. Many works found in the literature [8][9][10][11][12] deal with liquid-liquid equilibria (LLE) of systems composed of water + individual hydrocarbon with MTBE or other oxygenates addition.…”

(Liquid+liquid) equilibria for the quaternary system water+methyl tert-butyl ether+ethanol+benzene at 303.15K

“…As part of an on going research program, we focus on the investigation of the phase equilibrium of quaternary systems containing hydrocarbons (benzene, isooctane, toluene, or cyclohexane), oxygenated compounds (methanol, ethanol or methyl tert-butyl ether), and water [1][2][3][4][5][6], because this type of systems has gained importance due to the increasing demand of oxygenated compounds to produce lead-free gasoline. The US Environmental Protection Agency recommends the use of alcohols (particularly ethanol) as gasoline additives to provide antiknock properties and to help reduce harmful combustion emissions [7,8].…”