膜科学与技术

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Study on gas separation properties of polyethersulfone-silica nanoparticle composite membranes

Authors： CHEN Gui-e1, ZHANG Li1, XU Zhen-liang2

Units： 1 School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 200235, China; 2 School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China

KeyWords： Hollow fiber membrane; Polyethersulfone; Silica; Gas separation

ClassificationCode：

year,volume(issue):pagination： 2012,32(4):38-43

Abstract：

In this study, the effect of silica nanoparticles on the gas permeation properties of polyethersulfone gas separation membrane was investigated. The membranes’ microstructure, mechanical properties and gas separation performance were investigated by SEM, tensile tester and gas separation experiment. The results showed that Young’s modulus of PES-SiO2 hollow fiber membranes and permeation fluxes of H2, N2, O2, CH4 and CO2 increased whereas separation factors of O2/N2, CO2/CH4 and H2/N2 decreased with the increase of SiO2 contents. The hollow fiber membranes tended to stable after the testing period of 16 days. When the membranes were treated by ethanol and n-hexane as exchange agent, dried in the oven, the membranes had a better selectivity.

Funds：

国家自然科学基金（51172144）

AuthorIntro：

陈桂娥( 1965 - ) , 女, 湖北黄梅人, 博士, 副教授, 从事膜分离技术方面的研究。通信联系人：许振良, E-mail: chemxuzl@ecust.edu.cn

Reference：

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