<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>A comprehensive investigation on the solubility and mass transfer coefficient enhancement of 2-nitrobenzoic acid through hydrotropy, has been undertaken. The solubility and mass transfer coefficient studies were carried out using hydrotropes such as sodium acetate, citric acid and nicotinamide under a wide range of hydrotrope concentrations (0 to 3.0 mol/L) and different system temperatures (303 to 333 K). It was found that the solubility and mass transfer coefficient of 2-nitrobenzoic acid increases with an increase in hydrotrope concentration and also with system temperature. All hydrotropes used in this work showed an enhancement in the solubility and mass transfer coefficient to different degrees. The maximum enhancement factor value has been determined for both the solubility and mass transfer coefficient. The effectiveness of hydrotropes was measured in terms of Setschnew constant <italic>K<sub>s</sub></italic> and reported for all the hydrotropes used in this study.</p></abstract>

A comprehensive investigation on the solubility and mass transfer coefficient enhancement of 2-nitrobenzoic acid through hydrotropy, has been undertaken. The solubility and mass transfer coefficient studies were carried out using hydrotropes such as sodium acetate, citric acid and nicotinamide under a wide range of hydrotrope concentrations (0 to 3.0 mol/L) and different system temperatures (303 to 333 K). It was found that the solubility and mass transfer coefficient of 2-nitrobenzoic acid increases with an increase in hydrotrope concentration and also with system temperature. All hydrotropes used in this work showed an enhancement in the solubility and mass transfer coefficient to different degrees. The maximum enhancement factor value has been determined for both the solubility and mass transfer coefficient. The effectiveness of hydrotropes was measured in terms of Setschnew constant Ks and reported for all the hydrotropes used in this study.

The effect of hydrotropes on the solubility and mass transfer coefficient of 2-nitrobenzoic acid

Department of Chemical Engineering, St. Peter's Engineering College, Chennai-600 054, India

Department of Chemical Engineering, A. C. College of Technology, Anna University, Chennai-600 025, India

Polish Journal of Chemical Technology

A comprehensive investigation on the solubility and mass transfer coefficient enhancement of 2-nitrobenzoic acid through hydrotropy, has been undertaken. The...

The effect of hydrotropes on the solubility and mass transfer coefficient of 2-nitrobenzoic acid

Published Online: Jun 19, 2009

Page range: 55 - 59

DOI: https://doi.org/10.2478/v10026-009-0025-y

Keywords
hydrotropy, solubilization, mass transfer coefficient, separation

This content is open access.

The effect of hydrotropes on the solubility and mass transfer coefficient of 2-nitrobenzoic acid

Published Online: Jun 19, 2009

Page range: 55 - 59

DOI: https://doi.org/10.2478/v10026-009-0025-y

Keywordshydrotropy, solubilization, mass transfer coefficient, separation

This content is open access.

Keywords
hydrotropy, solubilization, mass transfer coefficient, separation