title: Extractive separation of penicillin G by facilitated transport via carrier supported liquid membranes.
abstract: The facilitated transport of penicillin G (Pen G), through a supported liquid membrane with Amberlite LA-2 dissolved in 1-decanol, supported on a microporous polypropylene membrane, were studied. The distribution coefficient was obtained from a batch extraction experiment. The effects of flow rate, carrier concentration, initial concentration of Pen G, and the pH of feed and stripping phases on the transport rate of Pen G through the supported liquid membrane were also investigated. The results are in agreement with theoretical predictions, and it is demonstrated that the transport of Pen G through the supported liquid membrane is controlled simultaneously by mass transfer across both aqueous and liquid membranes.
authors.affiliation: Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC.
authors.forename: C J
authors.initials: CJ
authors.lastname: Lee
authors.forename: H J
authors.initials: HJ
authors.lastname: Yeh
authors.forename: W J
authors.initials: WJ
authors.lastname: Yang
authors.forename: C R
authors.initials: CR
authors.lastname: Kan