Selective Removal of Acetic Acid for the Effective Production of Succinic Acid using the Various Amine Extractants and Solvents
2005
Huh, Y.S. (Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea) | Hong, Y.K. (Chungju National University, Chungju, Republic of Korea) | Jun, Y.S. (Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea) | Hong, W.H. (Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea), E-mail: whhong@kaist.ac.kr
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.
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