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Extended NRTL model for PEG + salt based aqueous two-phase system

M., Perumalsamy and T., Murugesan (2010) Extended NRTL model for PEG + salt based aqueous two-phase system. ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING, 5 (2). pp. 355-360. ISSN ISSN 1932-2135

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Abstract

ABSTRACT: Liquid–liquid equilibrium (LLE) data of aqueous poly(ethylene glycol) (PEG) 2000–sodium citrate systems were determined experimentally at 25◦, 35◦ and 45 ◦C. Experimental techniques and analytical methods were described in the previous article (T. Murugesan, M. Perumalsamy. J. Chem. Eng. Data. 2005; 50, 1392–1395 [22]). The NRTL (nonrandom, two-liquid) model, expressed in mass fraction, was used to correlate the LLE of aqueous twophase systems (ATPS). The interaction energy parameters of the NRTL model were adjusted using these experimental LLE data. The model described experimental equilibrium data with a good agreement.  2009 Curtin University of Technology and John Wiley & Sons, Ltd.

Item Type:Article
Subjects:T Technology > TP Chemical technology
Departments / MOR / COE:Departments > Chemical Engineering
ID Code:2252
Deposited By: Prof Dr Thanabalan Murugesan
Deposited On:24 May 2010 08:17
Last Modified:19 Jan 2017 08:24

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