(Liquid+liquid) equilibrium of the ternary aqueous system containing poly ethylene glycol dimethyl ether 2000 and tri-potassium citrate at different temperatures

Zafarani-Moattar, Mohammed Taghi; Hosseinpour-Hashemi, Vahid

doi:10.1016/j.jct.2011.11.033

Cited by 17 publications

(16 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It was found that the Setschenow-type equation with only two parameters usually has a good performance in the correlation of tie-line data for polymer + salt + water , and alcohol + salt + water ,, systems. Therefore, in this work, we decided to use the Setschenow-type equation to correlate the tie-line data of these investigated systems.…”

Section: Results and Discussionmentioning

confidence: 99%

“…The obtained standard deviations show that the performance of this empirical equation is acceptable for correlation of the binodal data for the investigated systems. It was found that the Setschenow-type equation 22 with only two parameters usually has a good performance in the correlation of tie-line data for polymer + salt + water 4,25 and alcohol + salt + water 8,11,26 systems. Therefore, in this work, we decided to use the Setschenow-type equation to correlate the tieline data of these investigated systems.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…The aqueous two-phase system (ATPS) has applications in the partitioning of monosaccharides and proteins, recovery of nanoparticles, and in food industries. − Recently, ATPS’s containing polymer + salt + water have been studied. − The salts are used in these studies are valuable salts such as citrates and tartrates, so recycling of these salts can be economical and useful. For recycling of the used salts, Greve et al presented a method using ATPS’s containing salts and a suitable aliphatic alcohol .…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Liquid–Liquid Equilibrium Data of the Ternary Systems Containing 1-Propanol/2-Propanol + Dipotassium Tartrate/Potassium Sodium Tartrate + Water at T = 298.15 K

2013

Self Cite

View full text Add to dashboard Cite

The liquid−liquid equilibrium data of the ternary systems containing 1-propanol/2-propanol + dipotassium tartrate/potassium sodium tartrate + water have been measured at T = 298.15 K. To fit the binodal data an empirical equation was used. The length of the alcohol chain, polarity of the alcohol, and the type of salt are the parameters that have influence on the phase behavior of these systems have been studied. In addition, the obtained experimental tie-line data were fitted using the Setschenow-type equation. Finally, the plait points of these systems were calculated.

show abstract

Section: Results and Discussionmentioning

confidence: 99%

Section: ■ Results and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Liquid–Liquid Equilibrium Data of the Ternary Systems Containing 1-Propanol/2-Propanol + Dipotassium Tartrate/Potassium Sodium Tartrate + Water at T = 298.15 K

2013

Self Cite

View full text Add to dashboard Cite

show abstract

“…Poly(ethylene glycol) dimethyl ether (PEGDME) is a water-soluble polymer that can form a two-phase system in aqueous solution with a suitable salt, so it can be utilized to separate biomolecules. Recently, the LLE of some aqueous (PEGDME + salt) − and aqueous (PEGDME + ionic liquid) systems have been reported …”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Studies of the Aqueous Two-Phase System Containing Polyethylene Glycol Dimethyl Ether 2000 and Sodium Nitrite at (298.15, 308.15, and 318.15) K

et al. 2018

Self Cite

View full text Add to dashboard Cite

Liquid−liquid equilibrium data including binodals and tie-line compositions have been measured for aqueous ternary biphasic system containing polyethylene glycol dimethyl ether 2000 (PEGDME 2000 ) and sodium nitrite at three temperatures (298.15−318.15) K and atmospheric pressure (≈ 85 kPa). The salting-out of the polymer by the salt was studied at different temperatures. Furthermore, the ΔG c , ΔH c , and ΔS c of the cloud points were computed at working temperatures from which it was found that the entropy is the driving force for phase separation. For representing the experimental binodal data two empirical equations with the temperature dependency were used. The Setschenow equation was utilized for correlating the measured tie-lines. Different versions of nonrandom two-liquid models were also selected in generating the obtained tie-lines. The plait point, and the characteristics of tie-lines (slope and the length) have been determined at working temperatures. The partitioning behavior of the iodine molecule in the above system was also studied.

show abstract

“…An aqueous two-phase system (ATPS) consists of two separated aqueous phases, which may be naturally generated from the spontaneous split of a mixture of some water soluble chemicals under the appropriate concentrations and the proper temperature. ATPS has rapidly developed after this term was firstly mentioned by Beijerinck in 1896 [1]. To date, the many examples of ATPS can be classified into following categories based on the ingredients: the traditional types, i.e., polymer-based [2][3][4][5][6][7] and surfactant-based ATPS [8,9], and novel types like ionic liquid-based [10][11][12][13][14][15] and organic solvent-based ATPS [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Effects of temperature and pH on phase behavior for the ternary systems of water + inorganic salt + alkoxyethanols at atmospheric pressure

Wang

et al. 2016

Journal of Molecular Liquids

View full text Add to dashboard Cite

The effects of temperature, pH, inorganic salts, as well as molecular structure on the phase behavior of water + salt + alkoxyethanol(CnEm, n = 2-4, m = 1-3) ternary systems were investigated. Binodal data for water + NaCl + C2E1, C3E1, C4E1, C4E2, C4E3 were obtained and correlated to investigate how the system's phase-split ability is influenced by the type of alkoxyethanol. In addition, the binodal data for aqueous solution of C4E1 with NaCl, KCl, CsCl, NaF, NaBr were investigated to understand the effects of the salts. Furthermore, the complete two-liquid-phase coexistence regions for water + NaCl + C4E1 at T = (283.15, 293.15, 303.15, 313.15) K were acquired to investigate the effects of temperature. The liquid-liquid equilibria (LLE) were also studied based on tie-line data, in which three correlation equations, the Othmer-Tobias equation, the Bancroft equation and the Setschenow equation were used. Finally, the binodal data of water + NaCl + C4E1 was measured at pH = (3, 5, 7, 9, 11) to investigate the impact of pH.

show abstract

(Liquid+liquid) equilibrium of the ternary aqueous system containing poly ethylene glycol dimethyl ether 2000 and tri-potassium citrate at different temperatures

Cited by 17 publications

References 27 publications

Liquid–Liquid Equilibrium Data of the Ternary Systems Containing 1-Propanol/2-Propanol + Dipotassium Tartrate/Potassium Sodium Tartrate + Water at T = 298.15 K

Liquid–Liquid Equilibrium Data of the Ternary Systems Containing 1-Propanol/2-Propanol + Dipotassium Tartrate/Potassium Sodium Tartrate + Water at T = 298.15 K

Thermodynamic Studies of the Aqueous Two-Phase System Containing Polyethylene Glycol Dimethyl Ether 2000 and Sodium Nitrite at (298.15, 308.15, and 318.15) K

Effects of temperature and pH on phase behavior for the ternary systems of water + inorganic salt + alkoxyethanols at atmospheric pressure

Contact Info

Product

Resources

About