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A novel PMMA/TiO2/IL photocatalyst has been prepared and its photocatalytic activity was evaluated for the degradation of MB dye under visible light.

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Densities for aqueous solutions of several poly(ethylene glycol) + salt systems are presented at 25, 35, and 45 °C. The polymers used are two different molar masses of poly(ethylene glycol), and the salts are K2HP04, KH2P04, Na2S04, Na2C03, and (NH4)2S04. The density results were correlated with a semiempirical equation.

Phase diagrams for aliphatic alcohols + magnesium sulfate + water were measured. The alcohols used were ethanol, 1-propanol, 2-propanol, and 2-methyl-2-propanol. Phase diagram data were obtained at 25 °C, and for magnesium sulfate + ethanol + water at 25 °C and 35 °C.

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The liquid−liquid equilibrium (LLE) data were measured for the systems ethanol + water + K2CO3, 1-propanol + water + K2CO3,2-propanol + water + K2CO3, and 2-methyl-2-propanol + water + K2CO3 at (298.15, 308.15, and 318.15) K. A two-parameter equation was used for the correlation of the experimental tie-line data. Good agreement was obtained with the experimental tie-line data with this model.