Mechanism for Selective Ammonia Transport through Poly(vinylammonium thiocyanate) Membranes

Abhoyjit Bhown, E. L. Cussler

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Ammonia diffuses selectively through poly(vinylammonium thiocyanate) membranes. This high selectivity occurs because the membranes react with ammonia to produce a solution of poly(vinylamine) and ammonium thiocyanate, a salt in which ammonia is highly soluble. Liquid membranes made of ammonium thiocyanate and membranes of polyvinyl alcohol) impregnated with ammonium thiocyanate show similar behavior. None of these membranes operate by means of mobile carriers, the mechanisms most often responsible for selective facilitated diffusion.

Original languageEnglish (US)
Pages (from-to)742-749
Number of pages8
JournalJournal of the American Chemical Society
Volume113
Issue number3
DOIs
StatePublished - Jan 1 1991

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