title: Selective extraction of acetic acid from the fermentation broth produced by Mannheimia succiniciproducens.
abstract: Acetic acid is by-product from fermentation processes for producing succinic acid using Mannheimia succiniciproducens . To obtain pure succinic acid from the final fermentation broth, acetic acid was selectively removed based on the different extractability of succinic acid and acetic acid with pH using tri-n-octylamine (TOA) as extractant. When successive batch extractions were performed using 0.25 mol TOA kg(-1) dissolved in 1-octanol at pH 5, the mol ratio of succinic acid to acetic acid before extraction was 4.9 and the final ratio after the fourth batch was 9.4.
authors.affiliation: Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea.
authors.forename: Yun Suk
authors.initials: YS
authors.lastname: Huh
authors.forename: Yeon Ki
authors.initials: YK
authors.lastname: Hong
authors.forename: Won Hi
authors.initials: WH
authors.lastname: Hong
authors.forename: Ho Nam
authors.initials: HN
authors.lastname: Chang
mesh_terms: D019342:Acetic Acid / Q000302:isolation & purification* / Q000378:metabolism*; D000588:Amines / Q000737:chemistry*; D002498:Centrifugation / Q000379:methods; D005591:Chemical Fractionation / Q000379:methods*; D003470:Culture Media / Q000302:isolation & purification / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D031121:Mannheimia / Q000378:metabolism*; D019802:Succinic Acid / Q000302:isolation & purification* / Q000378:metabolism*
chemical_list: D000588:Amines; D003470:Culture Media; D019802:Succinic Acid; C038229:tri-N-octylamine; D019342:Acetic Acid