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Linear Solvation Energy Relationship Modeling and Kinetic Studies on Reactive Extraction of Succinic Acid by Tridodecylamine Dissolved in MIBK
Author(s) -
İnci İsmail
Publication year - 2007
Publication title -
biotechnology progress
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.572
H-Index - 129
eISSN - 1520-6033
pISSN - 8756-7938
DOI - 10.1021/bp0701968
Subject(s) - succinic acid , solvation , chemistry , extraction (chemistry) , aqueous solution , amine gas treating , kinetic energy , aqueous two phase system , solvent , chromatography , organic chemistry , physics , quantum mechanics
Equilibrium and kinetic studies for the extraction of succinic acid from aqueous solution with tridodecylamine diluted in MIBK are reported. All measurements were carried out at 298.15 K. The extent to which the organic phase may be loaded with succinic acid is expressed as a loading ratio, Z . The equilibrium data were also interpreted by a proposed mechanism of three reactions of complexation by which (1:1) and (2:1) acid‐amine complexes are formed. Kinetics of extraction of succinic acid by tridodecylamine in MIBK has also been determined. Kinetic studies for the extraction of succinic acid from aqueous solution with tridodecylamine diluted in MIBK were carried out using a stirred cell for kinetic studies. The results of the liquid‐liquid equilibrium measurements were correlated by a linear solvation energy relationship (LSER) model, which takes into account physical interactions. From the regression coefficients, information on the solvent‐solute interaction is obtained and solvation models are proposed.

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