Liquid–vapor phase equilibria of three-component systems of propanol-2–propanoic acid esters

Suntsov, Yu. K.; Goryunov, V. A.; Chuikov, A. M.

doi:10.1134/s0036024417120299

Cited by 1 publication

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“…One of the substances in the investigated systems is propanol. This alcohol can serve as an alternative to gasoline in internal combustion engines and can also be used as an additive to gasoline to improve its quality. , Furthermore, propanol can be utilized in the production of biodiesel. , There is a considerable amount of research in the literature devoted to phase equilibria in systems involving propanol. − Still, the number of studies focused on phase equilibria in systems involving both propanol and DESs is quite limited.…”

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confidence: 99%

New Experimental Results and Comparative Analysis of the Efficiency of Separation of Propyl Propionate and Propyl Formate from Propanol Using Deep Eutectic Solvents Based on Choline Chloride

Golikova,

Smirnov,

Toikka

et al. 2024

J. Chem. Eng. Data

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In this work, the liquid–liquid equilibrium (LLE) in the systems 1-propanol–1-propyl formate–deep eutectic solvent (DES) and 1-propanol–1-propyl propionate–DES at 293.15 and 313.15 K and atmospheric pressure was investigated. Three DESs were selected for this study: choline chloride (ChCl)/glycerol (Gl), ChCl/ethylene glycol (EG), and ChCl/propylene glycol (PG). Quantitative analysis of coexisting equilibrium phases was carried out using proton nuclear magnetic resonance spectroscopy. The efficiency of separation of the systems 1-propanol–1-propyl formate and 1-propanol–1-propyl propionate using these DESs was evaluated by calculating the distribution coefficients and selectivity values. A comparative analysis of the selectivity values obtained in the work was carried out with data for other alcohol–ester systems and with other DESs presented in the literature. The accuracy of the experiment’s measurements was confirmed by the convergence of the obtained experimental data with calculations based on the non-random two-liquid equation (NRTL).

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