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Received August 24, 2015
Accepted December 11, 2015
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Liquid-liquid equilibrium data in aqueous solutions of propionic and butyric acids with 1-heptanol at T=(298.15, 308.15, and 318.15) K
Ali Ghanadzadeh Gilani†
Hossein Ghanadzadeh Gilani1
Seyedeh Laleh Seyed Saadat
Elham Nasiri-Touli
Mahrokh Peer2
Department of Chemistry, Faculty of Science, University of Guilan, Rasht, Iran 1Department of Chemical Engineering, University of Guilan, Rasht, Iran 2Department of Chemistry, University Campus 2, University of Guilan, Rasht, Iran
aggilani@guilan.ac.ir
Korean Journal of Chemical Engineering, April 2016, 33(4), 1408-1415(8), 10.1007/s11814-015-0278-5
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Abstract
Liquid-liquid phase equilibrium (LLE) data were determined for the (water+propionic or butyric acid+1-heptanol) ternary systems at T=(298.15, 308.15, and 318.15) K and p=101.3 kPa. For both systems, a type-1 LLE phase diagram was obtained. The quality of the experimental LLE data was determined through the Othmer-Tobias and Bancroft equations. The experimental tie-lines were fitted using the UNIQUAC and NRTL correlation models. For the studied systems, a comparison was made between the experimental and correlated distribution coefficients and separation factors. The LSER model of Katritzky was applied to obtain the contributions of intermolecular interactions in these systems.
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Kertes AS, King CJ, Biotechnol. Bioeng., 28, 269 (1986)
Evans PJ, Wang HY, Appl. Microbiol. Biotechnol., 32, 393 (1990)
Sabolova E, Schlosser S, Martak J, J. Chem. Eng. Data, 46, 735 (2001)
Li ZY, Qin W, Dai YY, J. Chem. Eng. Data, 47(4), 843 (2002)
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Kirbaslar SI, Bilgin M, Batr D, J. Chem. Thermodyn., 37(2), 175 (2005)
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Kirbaslar SI, Sahin S, Bilgin M, J. Chem. Thermodyn., 38(12), 1503 (2006)
Senol A, Fluid Phase Equilib., 227(1), 87 (2005)
Senol A, J. Chem. Eng. Data, 49(6), 1815 (2004)
Gilani AG, Gilani HG, Saadat SLS, Fluid Phase Equilib., 361, 45 (2014)
Gilani HG, Gilani AG, Janbaz M, J. Chem. Thermodyn., 57, 152 (2013)
Badakhshan A, Chowdhury AI, Leung R, J. Chem. Eng. Data, 30, 416 (1985)
Gok A, Kirbaslar SI, Uslu H, Gilani HG, Fluid Phase Equilib., 303(1), 71 (2011)
Ozmen D, Cehreli S, Dramur U, J. Chem. Thermodyn., 37(8), 837 (2005)
Gilani HG, Gilani AG, Saadat SLS, J. Chem. Eng. Data, 59(3), 917 (2014)
Othmer DF, Tobias PE, Ind. Eng. Chem., 34, 690 (1942)
Salabat A, Fluid Phase Equilib., 288(1-2), 63 (2010)
Renon H, Prausnitz JM, AIChE J., 14, 135 (1968)
Poling BE, Prausnitz JM, O’Connell JP, The Properties of Gases and Liquids, Fifth Ed., McGraw-Hill, New York (2001).
Katritzky AR, Fara DC, Yang HF, Tamm K, Tamm T, Karelson M, Chem. Rev., 104(1), 175 (2004)
Taylor BN, Kuyatt CE, Guidelines for the evaluation and expression of uncertainty in NIST measurement results technical note 1297 for NIST. MD: Gaithersburg (1994).
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Reichardt C, Solvents and Solvent Effects in Organic Chemistry, third Ed.,Wiley-VCH & Co, KGaA (2003).
Wohlfarth C, Springer Materials, Springer-Verlag Berlin Heidelberg (2008).
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Kırbaslar SI, Br. J. Che. Eng., 23(3), 365 (2006)
Gundogdu T, Cehreli S, Fluid Phase Equilib., 331, 26 (2012)
Bilgin M, Arisoy C, Fluid Phase Equilib., 250(1-2), 59 (2006)
Bilgin M, J. Chem. Thermodyn., 38(12), 1634 (2006)
