Ioannis Tsivintzelis Associate Professor	Laboratory of Physical Chemistry Department of Chemical Engineering Aristotle University of Thessaloniki
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(A), Equilibrium cell; (B&C), Vibrating densitometers; (D), Gas chromatograph; (E & F), Pumps; (G &H), Sampling valves; (I), Air bath; (J), CO₂ tank		Densities of the CO₂ rich phase in CO₂ – Water – NaCl VLE

Home / Research Interests / Phase Equillibrium

Experimental measurement of phase equilibria
*Relevant Publications* Kontos, G., Leontiadis, K., Tsivintzelis, I., CO₂ solubility in aqueous solutions of blended amines: Experimental data for mixtures with MDEA, AMP and MPA and modeling with the modified Kent-Eisenberg model (2023) Fluid Phase Equilibria, 570, 113800, https://doi.org/10.1016/j.fluid.2023.113800 Tzirakis F, Papadopoulos A.I., Seferlis P, Tsivintzelis I, CO₂ Solubility in Aqueous N-methylcyclohexylamine (MCA) and N-cyclohexyl-1,3-propanediamine (CHAP) Solutions, (2023) AIChE Journal, Accepted for publication, DOI: 10.1002/aic.17982 Perdomo F.A., Khalit S.H., Graham E.J., Tzirakis F., Papadopoulos A.I., Tsivintzelis I., Seferlis P., Adjiman C.S., Jackson G., Galindo A., A predictive group-contribution framework for the thermodynamic modelling of CO₂ absorption in cyclic amines, alkyl polyamines, alkanolamines and phase-change amines: New data and SAFT-γ Mie parameters. (2023) Fluid Phase Equilibria, 566, 113635, https://doi.org/10.1016/j.fluid.2022.113635 Kontos G., Soldatou M.-A., Tzimpilis E., Tsivintzelis I., Solubility of CO₂ in 2-amino-2-methyl-1-propanol (AMP) and 3-(methylamino)propylamine (MAPA): Experimental investigation and modeling with the Cubic-Plus-Association and the modified Kent-Eisenberg models. (2022) Separations, 3, 338. https://doi.org/10.3390/separations9110338 Tzirakis F, Papadopoulos A.I., Seferlis P, Tsivintzelis I, CO₂ Solubility in Diethylenetriamine (DETA) and Triethylenetetramine (TETA) aqueous mixtures: Experimental Investigation and Correlation Using the CPA Equation of State, (2021) Chemical Thermodynamics and Thermal Analysis, Vol 3-4, 100017 https://doi.org/10.1016/j.ctta.2021.100017 Tzirakis, F., Tsivintzelis, I., Papadopoulos, A.I., Seferlis, P. Experimental investigation of phase change amine solutions used in CO₂ capture applications: Systems with dimethylcyclohexylamine (DMCA) and N–cyclohexyl-1,3-propanediamine (CHAP) or 3-methylaminopropylamine (MAPA), (2021) International Journal of Greenhouse Gas Control, 2021, vol 109, Article 103353 https://doi.org/10.1016/j.ijggc.2021.103353 Papadopoulos A.I., Perdomo F.A., Tzirakis F., Shavalievac G., Tsivintzelis I., Kazepidis P., Nessi E., Papadokonstantakis S., Seferlis P., Galindo A., Jackson G., Adjiman C.S., Molecular Engineering of Sustainable Phase-change Solvents: From Digital Design to Scaling-up for CO₂ Capture, (2020) Chemical Engineering Journal, vol 420, Part 2, Article 127624 https://doi.org/10.1016/j.cej.2020.127624 Leontiadis K, Tzimpilis E., Aslanidou D., Tsivintzelis I., (2019) Solubility of CO₂ in 3-amino-1-propanol and in N-methyldiethanolamine aqueous solutions: Experimental investigation and correlation using the CPA equation of state, Fluid Phase Equilibria, 500, 112254 Tzirakis, F., Tsivintzelis, I., Papadopoulos, A.I., Seferlis, P. (2019) Experimental measurement and assessment of equilibrium behaviour for phase change solvents used in CO₂ capture, Chemical Engineering Science, 199, pp. 20-27. Awan, J.A., Coquelet, C., Tsivintzelis, I., Kontogeorgis, G., Phase Equilibrium Measurements and Modeling of 1-Propanethiol +1-Butanethiol + CH₄ in Methane Ternary System at 303, 336, and 368 K and Pressure up to 9 MPa, (2016) Journal of Chemical and Engineering Data, 61 (1), pp. 41-44. [Abstract and full text] Tsivintzelis, I., Musko, N.E., Baiker, A., Grunwaldt, J.-D., Kontogeorgis, G.M., “Experimental determination and modeling of the phase behavior for the direct synthesis of dimethyl carbonate from methanol and carbon dioxide”, (2013) Journal of Supercritical Fluids, 84, pp. 155-163 [Abstract and full text] Awan, J.A., Kontogeorgis, G.M., Tsivintzelis, I., Coquelet, C., “Vapor-liquid-liquid equilibrium measurements and modeling of ethanethiol + methane + water, 1-propanethiol + methane + water and 1-butanethiol + methane + water ternary systems at 303, 335, and 365 K and pressure up to 9 MPa”, (2013) Industrial and Engineering Chemistry Research, 52 (41), pp. 14698-14705. [Abstract and full text] Awan, J.A., Tsivintzelis, I., Valtz, A., Coquelet, C., Kontogeorgis, G.M., “Vapor-liquid-liquid equilibrium measurements and modeling of the methanethiol + methane + water ternary system at 304, 334, and 364 K”, (2012) Industrial and Engineering Chemistry Research, 51 (35), pp. 11561-11564. [Abstract and full text] Afzal, W., Breil, M.P., Tsivintzelis, I., Mohammadi, A.H., Kontogeorgis, G.M., Richon, D., “Experimental study and phase equilibrium modeling of systems containing acid gas and glycol” (2012) Fluid Phase Equilibria, 318, pp. 40-50. [Abstract and full text] Awan, J.A., Tsivintzelis, I., Coquelet, C., Kontogeorgis, G.M., “Phase equilibria of three binary mixtures: Methanethiol + methane, methanethiol + nitrogen, and methanethiol + carbon dioxide”, (2012) Journal of Chemical and Engineering Data, 57 (3), pp. 896-901. [Abstract and full text] Awan, J.A., Tsivintzelis, I., Breil, M.P., Coquelet, C., Richon, D., Kontogeorgis, G.M., “Phase equilibria of mixtures containing organic sulfur species (OSS) and water/hydrocarbons: VLE measurements and modeling using the cubic-plus- association equation of state”, (2010) Industrial and Engineering Chemistry Research, 49 (24), pp. 12718-12725. [Abstract and full text] Tsivintzelis, I., Beier, M.J., Grunwaldt, J.-D., Baiker, A., Kontogeorgis, G.M., “Experimental determination and modeling of the phase behavior for the selective oxidation of benzyl alcohol in supercritical CO₂”, (2011) Fluid Phase Equilibria, 302 (1-2), pp. 83-92. Missopolinou, D., Tsivintzelis, I., Panayiotou, C., “Phase compositions and saturated densities for the binary system of carbon dioxide with 2-ethoxyethanol”, (2005) Fluid Phase Equilibria, 238 (2), pp. 204-209. [Abstract and full text] Tsivintzelis, I., Missopolinou, D., Kalogiannis, K., Panayiotou, C., “Phase compositions and saturated densities for the binary systems of carbon dioxide with ethanol and dichloromethane”, (2004) Fluid Phase Equilibria, 224 (1), pp. 89-96. [Abstract and full text]