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Received June 23, 2008
Accepted July 29, 2008
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Phase diagram prediction of recycling aqueous two-phase systems formed by a light-sensitive copolymer and dextran
State Key Laboratory of Bioreactor Engineering, Department of Biochemical Engineering, East China University of Science & Technology, 130 Meilong Rd., Shanghai 200237, China
caoxj@ecust.edu.cn
Korean Journal of Chemical Engineering, January 2009, 26(1), 147-152(6), 10.1007/s11814-009-0023-z
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Abstract
Our Laboratory has synthesized a novel light-sensitive and recycling copolymer P(NBC). The P(NBC) copolymer could form recycling aqueous two-phase systems with Dextran. Recycling aqueous two-phase systems have important application in bioseparation engineering. Phase diagram prediction of the novel aqueous two-phase systems also is an important aspect in engineering. This article applied the Cabezas model and effective excluded volume (EEV) model_x000D_
to the experimental data of light-sensitive recycling aqueous two-phase systems. It has been found that the EEV model could consist with experimental data very well. The maximum absolute error and average absolute error is 0.81% (wt%) and 0.23% (wt%), respectively.
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References
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Ning B, Synthesis of PH sensitive recycling crylic type hydronium polymer and its application in ATPS, Dissertation for Master’s Degree of East China University of Science and Technology. Shanghai, China (2007)
FanQi K, Xuejun C, Jinan X, Hur BK, J. Ind. Eng. Chem., 13(3), 424 (2007)
Jr. Heriberto C, Journal of Chromatography B, 680, 3 (1996)
Prausnitz JM, Molecular thermodynamics of fluid-phase, Chemical Engineering Press. Beijing, China (2006)
Walas SM, Shijun H, Phase equilibria in chemical engineering, Beijing: Petrolic Chemical Engineering Press. Beijing, China (1991)
Johansson HO, Karlstrom G, Tjerneld F, Haynes CA, Journal of Chromatography B, 711, 3 (1998)
Cha DH, Im J, Shin MS, Kim H, Korean J. Chem. Eng., 25(2), 345 (2008)
Cabezas Jr H, Evans JD, Szlag DC, Fluid Phase Equilibria, 53, 453 (1989)
Li M, Zhu Z, Mei L, China Chemical Engineering, 24, 60 (1996)
Guan Y, Lilley TH, Treffry TE, Macromolecules, 26, 3971 (1993)
Guan Y, Lilley TH, Treffry TE, J. Chem. Soc. Faraday Trans., 89, 4283 (1993)
(a) Bernal JD (1959), Nature 183,141 (b) Ibid. (1960). Nature 185,68
Vainerman ES, Ryashentsev VY, Rogozhin SV, Solvent Extr. Ion Exch., 8, 361 (1990)
Cai Xiane, etc. Physical chemistry (Second edition), Higher Education Press, P.R.China (1993)
Edited by Rajni Hatti-Kaul, Aqueous two phase systems methods and protocols, Human press, Totowa, New Jersey (2001)
Wang W, Synthesis of new type light-sensitive recycling polymer and its application in ATPS, Dissertation for Master’s Degree of East China University of Science and Technology Shanghai, China (2007)
Ning B, Synthesis of PH sensitive recycling crylic type hydronium polymer and its application in ATPS, Dissertation for Master’s Degree of East China University of Science and Technology. Shanghai, China (2007)
