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2013 | 15 | 1 | 46-50
Tytuł artykułu

Enhancement of Solubility and Mass Transfer Coefficient of Benzoic Acid Through Hydrotropy

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The effect of hydrotropes such as sodium salicylate, sodium benzoate, and nicotinamide on the solubility and mass transfer coefficient of benzoic acid has been investigated. The solubility studies were carried out under a wide range of hydrotrope concentrations (0 to 3.0 mol/L) and different system temperatures (303K to 333K). It has been observed that the solubility and mass transfer coefficient of benzoic acid increases with an increase in hydrotrope concentration and also with system temperature. A Minimum Hydrotrope Concentration (MHC) was found essential to initiate a significant increase in the solubility and the mass transfer coefficient. The maximum enhancement factor (φs), which is the ratio of the solubility value in the presence and absence of a hydrotrope, has been determined for all sets of experimentations. The solubility of benzoic acid has been enhanced to 19.98 times in the presence of 2.5 mol/L concentration of sodium salicylate hydrotrope at 333K.The effectiveness of hydrotropes was measured in terms of Setschenow constant Ks and the highest value has been observed as 0.502 for sodium salicylate.
Wydawca

Rocznik
Tom
15
Numer
1
Strony
46-50
Opis fizyczny
Daty
wydano
2013-03-01
online
2013-03-27
Twórcy
  • Department of Chemical Engineering, Vel Tech High Tech Dr. Rangarajan Dr. Sakunthala Engineering College, Chennai 600062, India
  • Department of Chemical Engineering, A. C. College of Technology, Anna University, Chennai – 600 025, India
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_pjct-2013-0009
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