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Citation: WANG Hong-Lin, YANG Da-Ling, ZHANG Shou-Hai, WANG Zhi-Peng, WEN Xue-Qiu, JIAN Xi-Gao. Preparation of Thin-layer Hollow Fiber Polymer Electrolyte Composite Membrane for Propylene and Propane Separation[J]. Chinese Journal of Applied Chemistry, ;2007, 24(3): 241-244. shu

Preparation of Thin-layer Hollow Fiber Polymer Electrolyte Composite Membrane for Propylene and Propane Separation

1.
Department of Polymer Materials, Dalian University of Technology, Dalian 116012

Corresponding author: JIAN Xi-Gao,
Received Date: 14 March 2006
Available Online: 27 May 2006
Fund Project: 国家"八六三"计划项目(2003AA33G030) (2003AA33G030)国家"九七三"基础研究计划项目(2003CB615700) (2003CB615700)

A substrate membrane of polyphthalazinone ether sulfone ketone(PPESK) with special morphology was spun, and the asymmetric hollow-fiber membranes was formed though dry/wet spinning. The composite membrane with thin layer(≈1 μm) was successfully prepared by coating PVP and complexing silver ion. The influences of PVP concentration, mole ratio of Ag⁺ to C=O, operational pressure and tempe-rature, types of transition metals were systematically studied. At 200 kPa and 23℃, the propylene permeance was 16.32 GPU, and propylene/propane selectivity reached 4.79 when the concentration of PVP was 10% and mole ratio of Ag⁺ to C=O was 1.
- PPESK,
- hollow fiber,
- composite membrane,
- polymer electrolyte,
- transition metal
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