Research on mass transfer in liquid membrane permeation has still left some challenging aspects to be solved. Although discussed very intensively the published models are rarely comparable and suffer from a lack of accuracy. The program was started with research on the widely investigated and very common test system Znaqu / Bis(2-ethylhexyl) phosphoric acid/ sulphuric acid. Based on the experim...

This paper describes the development of a hollow-fiber-supported liquid membrane (HFSLM) for the removal of nitrate ions from water. Two different membrane modules were designed which differed in length of the fibers. In order to test the HFSLMs on nitrate flux and stability, two set-ups were used: one in which feed and strip were recirculated, and one for the continuous removal of nitrate. Fur...

A polarization study carried out on a thin supported liquid membrane separating two aqueous compartments is presented. Transfer of both the ionized and uncharged form of an organic tracer dye, rhodamine B ([9-(2-carboxyphenyl)-6-diethylamino-3-xanthenylidene]-diethylammonium chloride), across supported liquid membranes composed of one of 1-octanol (octan-1-ol), 1,9-decadiene (deca-1,9-diene), 1...