Functional Membranes — the Present and the Future

Toyoki Kunitake

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1 Citation (Scopus)


The present situation and the future development of the functional membrane are discussed. It is expected that the functional membrane play increasingly great roles in the chemical industry of the coming decade. These membranes are formed from polymer films, liquid membranes or bilayer membranes. The two, most important technologies based on the polymeric membrane are reverse osmosis and ion exchange. The liquid membrane is used for separation of ionic species: an exten-tion of the solvent extraction process. By using appropriate ligands and ionophores, highly selective separations are realized. The active transport is made possible if the physical and chemical potentials are applied to the transport process. More advanced functional membranes may be designed on the basis of the synthetic bilayer membrane.

Original languageEnglish
Pages (from-to)477-486
Number of pages10
JournalYuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry
Issue number6
Publication statusPublished - 1981
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Organic Chemistry


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