Separation of Pyridine/Water Solutions Using Pervaporation

Patrick C. Joyce, Kevin M. Devine, C. Stewart Slater

    Research output: Contribution to journalArticlepeer-review

    10 Scopus citations


    Studies were performed on the separation of pyridine/water solutions using pervaporation. Organic permeation experiments were performed using a ‘silicalite’-filled silicone composite membrane. Effects of feed concentration, feed temperature, and permeate side pressure were examined. Benchmark conditions of 5.0 wt% pyridine, 50°C, and 2 torr were chosen. At the benchmark conditions, an organic selectivity of 34 and a permeate flux of 0.428 kg/m2h was achieved. An increase in feed concentration caused an increase in both the permeate concentration and flux, but caused a decrease in the selectivity. Also, permeate compositions far exceeded standard vapor-liquid equilibrium. Temperature had an Arrhenius-type relationship with regard to flux, but had no effect on the selectivity. Increasing the permeate pressure caused a steady decrease in permeate flux and also decreased the permeate composition and selectivity.

    Original languageEnglish (US)
    Pages (from-to)2145-2158
    Number of pages14
    JournalSeparation Science and Technology
    Issue number10
    StatePublished - 1995

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)
    • Chemical Engineering(all)
    • Process Chemistry and Technology
    • Filtration and Separation


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