Recent advances in liquid membrane technology

Fukiko Kubota, Masahiro Goto

    Research output: Contribution to journalReview articlepeer-review

    18 Citations (Scopus)

    Abstract

    In this article, we review recent advances in liquid membrane technology. We focus on the following three liquid membrane topics: biological application, an environmentally benign system and the use of microfluidic devices. Biocatalysis often shows an extremely high selectivity to a target compound. Therefore, a liquid membrane containing an enzyme can be utilized as a chiral separation tool for an optically active compound. To improve the liquid membrane stability, in the second topic, a novel "green" solvent ionic liquid is introduced in a supported liquid membrane. Since ionic liquids have extremely low vapor pressures, the liquid membrane permits stable operation for a long time. When a target molecule is expensive, a down sizing system is required for the liquid membrane operation. In the third topic, a stable three-phase flow was obtained using a microfluidic device. In the microfluidic operation, the center organic phase functions as a liquid membrane. In a micro-scale liquid membrane operation, permeation of rare earth metals through the membrane phase was achieved.

    Original languageEnglish
    Pages (from-to)11-26
    Number of pages16
    JournalSolvent Extraction Research and Development
    Volume12
    Publication statusPublished - 2005

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)
    • Chemical Engineering(all)

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