MASS TRANSFER KINETICS THROUGH COMPOSITE SILICONE RUBBER MEMBRANE BY PERVAPORATION (Ⅱ) DIFFUSIVE TRANSPORT THROUGH MEMBRANE

LI Lei; XIAO Zeyi; PU Liang; ZHANG Zhibing

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MASS TRANSFER KINETICS THROUGH COMPOSITE SILICONE RUBBER MEMBRANE BY PERVAPORATION (Ⅱ) DIFFUSIVE TRANSPORT THROUGH MEMBRANE

更新时间：2025-12-10

- MASS TRANSFER KINETICS THROUGH COMPOSITE SILICONE RUBBER MEMBRANE BY PERVAPORATION (Ⅱ) DIFFUSIVE TRANSPORT THROUGH MEMBRANE
- CIESC Journal Issue 12, (2002)
- 作者机构：
  
  南京大学化学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 2002，
  
  Published：25 December 2002
- 稿件说明：
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LI Lei, XIAO Zeyi, PU Liang, et al. MASS TRANSFER KINETICS THROUGH COMPOSITE SILICONE RUBBER MEMBRANE BY PERVAPORATION (Ⅱ) DIFFUSIVE TRANSPORT THROUGH MEMBRANE[J]. CIESC Journal, 2002, (12).
DOI：

LI Lei, XIAO Zeyi, PU Liang, et al. MASS TRANSFER KINETICS THROUGH COMPOSITE SILICONE RUBBER MEMBRANE BY PERVAPORATION (Ⅱ) DIFFUSIVE TRANSPORT THROUGH MEMBRANE[J]. CIESC Journal, 2002, (12). DOI：

摘要

Abstract

The pervaporation of organics from dilute aqueous solution through a novel plate composite silicone rubber membrane was investigated. The measured and derived data indicated that the composite membrane possessed very high permeation flux and stable selectivity for dilute organic aqueous solution. Based upon the well- known resistance-in- series model

diffusive mass transfer behavior in membrane was investigated by calculation from the measured data with different skin layer thickness of membranes. The experimental results showed that the diffusive mass transfer coefficient conformed to Arrhenius correlation with temperature and was independent of the flow status. The diffusivities of the given alcohols in membrane had an order of magnitude 10 m-10·s-1 at a wider range of temperature

which is similar to those reported in literatures.

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