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Selective Removal of Acetic Acid for the Effective Production of Succinic Acid using the Various Amino Extractants and Solvents  

Huh Yun Suk (Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology)
Hong Yeon Ki (Department of Chemical and Biological Engineering, Chungju National University)
Jun Young-Si (Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology)
Hong Won Hi (Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology)
Publication Information
KSBB Journal / v.20, no.3, 2005 , pp. 238-243 More about this Journal
Abstract
Succinic acid has recently been drawing much interest as a raw material for biodegradable polymer. In this study acetic acid was removed by reactive extraction with various amines dissolved in various diluents. Distribution coefficients were determined as the kind of amines, diluents, and pHs of continuous phase. The extraction capacity increased with the polarity of diluent and the decrease of pH from the artificial binary solution. Based on the different extractability for succinic acid and acetic acid from the artificial binary solution, the removal of acetic acid from fermentation broth was investigated using various amines and diluents. In addition, the extractability and selectivity of CLA for succinic acid and acetic acid from fermentation broth were higher than that of straight solvent extraction.
Keywords
Succinic Acid; Acetic acid; Reactive Extraction; amine; diluent; CLA; fermentation;
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