GAS PERMEABILITY OF NOVEL α-CELLULOSE MEMBRANE

WU Jiang; LIU Jianhui; YUAN Quan

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GAS PERMEABILITY OF NOVEL α-CELLULOSE MEMBRANE

更新时间：2025-12-10

- GAS PERMEABILITY OF NOVEL α-CELLULOSE MEMBRANE
- CIESC Journal Issue 3, Pages: 333-338(2003)
- 作者机构：
  
  中国科学院大连化学物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 March 2003，
  
  Published：25 March 2003
- 稿件说明：
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WU Jiang, LIU Jianhui, YUAN Quan. GAS PERMEABILITY OF NOVEL α-CELLULOSE MEMBRANE[J]. CIESC Journal, 2003, (3): 333-338.
DOI：

WU Jiang, LIU Jianhui, YUAN Quan. GAS PERMEABILITY OF NOVEL α-CELLULOSE MEMBRANE[J]. CIESC Journal, 2003, (3): 333-338. DOI：

摘要

制备了α-纤维素膜并对其气体分离性能进行了研究.测定了水溶胀下，CO2、H2、CH4、N2、O2等气体在α-纤维素膜内的气体渗透速率.通过比较研究醋酸纤维素膜、苯甲酰化纤维素膜和聚砜膜在干态和湿态下的气体渗透性能，揭示了水对α-纤维素膜气体渗透性能的作用规律.

Abstract

Novel cellulose membranes were prepared by using amine oxides as its solvent. Steady-state gas permeation rates in a “water-swollen”α-cellulose membrane were measured at various temperatures.The function of water on α-cellulose membrane was also revealed by comparatively studying the gas permeability of cellulose acetate membrane

benzoylated cellulose membrane and polysulfone membrane in “dry” and “wet” state. The effect of swelling on permeability of α-membrane was studied in some details. The difference of gas permeability between “dry” and “water-swollen”α-cellulose membrane was investigated. The permeability of CO2 was as high as 130 barrer［1 barrer=7.5×10-14cm3(SPT)·cm·(cm2·s·Pa)-1］; the separation factor of CO2/H2 can be up to 15.

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