Abstract
In this study we have evaluated the separation characteristics and concentration of sericin using tubular type ultrafiltration membrane in silk degumming solution that extracted from electrolytic reduction water process. Ultrafiltration membranes have used in sericin separation performance and the separation characteristics of membrane satisfied typical Hagen-Poiseuille equation. It had the increase of flux according to the increase of feed pressure and temperature in occasion of pure water flux. And also the flux and solute rejection had about <TEX>$25{\sim}60{\ell}/m^2{\cdot}h$</TEX> and more than 95% in sericin feed solution with concentration 1.00~1.89% at feed pressure force of <TEX>$3{\sim}8kgf/cm^2$</TEX> respectively. In addition, the separation performance of tubular type ultrafiltration membrane for silk degumming solution was very steady-state with long experiment time.
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