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Liquid-Liquid Equilibria in Two Systems Comprising Propionic Acid, Water and Organic Solvent (CROSBI ID 264456)

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Rogošić, Marko ; Dimić, Lana ; Veljačić, Lana Liquid-Liquid Equilibria in Two Systems Comprising Propionic Acid, Water and Organic Solvent // Annual ... of the Croatian Academy of Engineering, 2018 (2018), 2018; 381-400

Podaci o odgovornosti

Rogošić, Marko ; Dimić, Lana ; Veljačić, Lana

engleski

Liquid-Liquid Equilibria in Two Systems Comprising Propionic Acid, Water and Organic Solvent

Liquid-liquid phase equilibria (LLE) in the systems H2O(1) – n-butyl acetate(2) – propionic acid(3) at 35°C and H2O(1) – dimethyl adipate(2) – propionic acid(3) at 25°C was experimentally determined with a combination of turbidimetric titration and refractometry methods. Experimental binodal curves were modeled with Hlavatý equation and tie lines with Othmer-Tobias equation to provide an excellent agreement with the data. UNIFAC LLE model was not found suitable for the prediction of LLE in the systems studied. NRTL and UNIQUAC model parameters were determined as well. The correlation was found fair, but much worse than that obtained by the empirical approach of Hlavatý and Othmer-Tobias.

Liquid-liquid equilibria, propionic acid, n-butyl acetate, dimethyl adipate

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Podaci o izdanju

2018 (2018)

2018.

381-400

objavljeno

1332-3482

Povezanost rada

Kemijsko inženjerstvo

Poveznice