Liquid-liquid equilibria in aqueous two-phase systems of poly(ethylene glycol) and poly(ethyleneimine): Experimental measurements and correlation

Journal of Chemical and Engineering Data

Volumn 51, Issue 3, 2006, Pages 1056-1061

  Yankov, Dragomir S ^a   Stateva, Roumiana P ^a   Trusler, J P Martin ^b   St Cholakov, Georgi ^c  

^a INSTITUTE OF CHEMICAL ENGINEERING   (Bulgaria)

^b IMPERIAL COLLEGE LONDON   (United Kingdom)

^c UNIVERSITY OF CHEMICAL TECHNOLOGY AND METALLURGY   (Bulgaria)

Author keywords

[No Author keywords available]

Indexed keywords

CORRELATION METHODS; MATHEMATICAL MODELS; ORGANIC ACIDS; PHASE EQUILIBRIA; POLYETHYLENE GLYCOLS;

AQUEOUS TWO-PHASE SYSTEMS (ATPS); MOLAR MASS; POLY(ETHYLENEIMINE); POLYDISPERSITY INDEX;

BINARY MIXTURES;

EID: 33744480037     PISSN: 00219568     EISSN: None     Source Type: Journal    
DOI: 10.1021/je050524k     Document Type: Article

References (24)

1. Albertsson, P. A. Partitioning of Cell Particles and Macromolecules, 3rd ed.; Wiley-Interscience: New York, 1986.
2. Walter, H.; Brooks, D. E.; Fisher, D. Partitioning in Aqueous Two-Phase Systems; Academic Press: New York, 1985.
3. Zaslavsky, B. Y. Aqueous Two-Phase Partitioning. Physical Chemistry and Bioanalytical Applications; Marcel Dekker: New York, 1995.
4. Dissing, U.; Mattiasson, B. Poly(ethyleneimine) as a phase-forming polymer in aqueous two-phase systems. Biotechnol. Appl. Biochem. 1993, 17, 15-21.
5. Planas, J.; A. Kozlowski, J. M.; Tjerneld, H. F.; Hahn-Hagerdal, B. Novel polymer-polymer conjugates for recovery of lactic acid by aqueous two-phase extraction. Biotechnol. Bioeng. 1999, 66, 211-218.
6. Behme, S.; Sadowski, G.; Song, Y.; Chen, Ch.-Ch. Multicomponent flash algorithm for mixtures containing polydisperse polymers. AIChE J. 2003, 49, 258-268.
7. Gualtieri, J. A.; Kincaid J. M.; Morrison, G. Phase equilibria in polydisperse fluids. J. Chem. Phys. 1982, 77, 521-536.
8. Raetzsch, M. T.; Kehlen, H. Continuous thermodynamics of complex mixtures. Fluid Phase Equilib. 1983, 14, 225-234.
9. Raetzsch, M. T.; Kehlen, H. Continuous thermodynamics of polymer solutions: the effect of polydispersity on the liquid-liquid equilibrium. J. Macromal. Sci. Chem. 1985, A22, 323-334.
10. Phoenix, A. V.; Heidemann, R. A. An algorithm for determining cloud and shadow curves using continuous thermodynamics. Fluid Phase Equilib. 1999, 158-160, 643-655.
11. Cotterman, R. L.; Bender, R.; Prausnitz, J. M. Phase equilibria for mixtures containing very many components. Ind. Eng. Chem. Process Des. Dev. 1985, 24, 194-203.
12. Chen, C.-K.; Duran, M. A.; Radosz, M. Two-phase equilibria in asymmetric polymer solutions; block-algebra, a new flash algorithm and SAFT equation of state, applied single-stage dual solvent supercritical fractionation of polyethylene, Ind. Eng. Chem. Res. 1993, 32, 3123-3127.
13. Sadowski, G.; Arlt, W. High-pressure phase equilibrium in multicom-ponent hydrocarbon systems using the MFLG model. J. Supercrit. Fluids 1995, 8, 273.
14. Cheluget, E. L.; Bokis, C. P.; Wardhaugh, L.; Chen, C.-C.; Fisher J. Modeling polyethylene fractionation using the perturbed-chain statistical associating fluid theory equation of state. Ind. Eng. Chem. Res. 2002, 41, 968-988.
15. Jog, P. K.; Chapman, W. G. An algorithm for calculation of phase equilibria in polydisperse polymer solutions using the SAFT equation of state. Macromolecules 2002, 35, 1002-1011.
16. Tork, T.; Sadowski, G.; Arlt, W.; de Haan, A.; Krooshof, G. Modeling of high-pressure phase equilibria using the Sako-Wu-Prausnitz Equation Of State: II. Vapor-liquid equilibria and liquid-liquid equilibria in polyolefin systems. Fluid Phase Equilib. 1999, 163, 79-98.
17. Kang, C. H.; Sandler, S. I. Effect of polydispersivity of the phase behavior of aqueous two-phase polymer systems. Macromolecules 1988, 21, 3088-3095.
18. Kang, C. H.; Lee, C. K.; Sandier, S. I. Polydispersivity effects on the behavior of aqueous two-phase two-polymer systems. Ind. Eng. Chem. Res. 1989, 28, 1537-1542.
19. Hartounian, H.; Sandier, S. I. Polymer fractionation in aqueous two-phase polymer systems. Biotechnol. Prog. 1991, 7, 279-282.
20. Granath, K. A. Solution properties of branched dextrans. J. Colloid Sci. 1958, 13, 308-328.
21. Abramowitz, M.; Stegun, I. A. Handbook of Mathematical Functions; Dover: New York, 1972.
22. Abrams, D. S.; Prausnitz, J. M. Statistical thermodynamics of liquid mixtures. A new expression for the excess Gibbs free energy of partly or completely miscible systems. AIChE J. 1975, 21, 116-132.
23. Stateva, R. P.; St. Cholakov, G.; Galushko, A. A.; Wakeham, W. A. A powerful algorithm for liquid-liquid-liquid predictions and calculations. Chem. Eng. Sci. 2000, 55, 2121-2129.
24. Kang, C. H.; Sandier, S. I. Phase behavior of aqueous two-polymer systems. Fluid Phase Equilib. 1987, 38, 245-272.