超薄致密选择性分离层聚醚砜中空纤维膜制备及其气体性能(英文)

被引:1
作者
陈桂娥 [1 ,2 ]
许振良 [1 ]
房鼎业 [1 ]
机构
[1] 华东理工大学化工学院
[2] 上海应用技术学院化学工程系
关键词
中空纤维膜; 气体分离; 聚醚砜; 超薄致密选择性分离层;
D O I
暂无
中图分类号
TQ028.8 [新型分离法];
学科分类号
081701 ; 081704 ;
摘要
以聚醚砜为膜材料,N-甲基吡咯烷酮(NMP)为溶剂,乙醇(Ethanol)为非溶剂,NMP-Water为芯液,PES∶NMP∶Ethanol 35∶57∶8为铸膜液,采用干/湿相转化法制备了超薄致密选择性分离层PES中空纤维膜,讨论了芯液组成、芯液流量、硅橡胶种类、芯和凝胶槽温度对PES-A中空纤维膜结构、气体性能和机械性能的影响.实验结果表明,适宜的纺丝条件如下:凝胶槽温度17℃,芯液组成NMP∶Water 86∶14,芯液流量0.15 mL/min.在适宜的纺丝条件下,比较了PES-A和PES-B 2种聚醚砜膜材料的O2/N2气体分离性能,PES-B中空纤维膜的O2/N2选择性为6.23,其O2渗透通量为9.65 GPU.此外,在凝胶槽温度9~24℃范围内,PES-B中空纤维膜的O2/N2选择性为5.28~6.23,O2渗透通量为9.65~10.3 GPU,并且其超薄致密选择性分离层为427~456.因此,PES-B中空纤维膜更适合应用于气体分离.
引用
收藏
页码:6 / 13
页数:8
相关论文
共 9 条
[1]   Numerical Simulation of a Mathematical Model for Dry/Wet-Spun Nascent Hollow Fiber Membrane [J].
法德勒 ;
许振良 .
Journal of Shanghai University, 2004, (02) :213-220
[2]   Superior gas separation performance of dual-layer hollow fiber membranes with an ultrathin dense-selective layer [J].
Li, Yi ;
Chung, Tai-Shung ;
Xiao, Youchang .
JOURNAL OF MEMBRANE SCIENCE, 2008, 325 (01) :23-27
[3]  
Separation performance of horizontal and vertical polyethersulfone hollow fiber UF modules[J] . Qusay Fadhel Alsalhy,Zhen-liang Xu,Xiao-tian Yang.Journal of Shanghai University (English Edition) . 2006 (2)
[4]  
Fabrication of dual-layer polyethersulfone (PES) hollow fiber membranes with an ultrathin dense-selective layer for gas separation[J] . Yi Li,Chun Cao,Tai-Shung Chung,Kumari P. Pramoda.Journal of Membrane Science . 2004 (1)
[5]  
Polyethersulfone (PES) hollow fiber ultrafiltration membranes prepared by PES/non-solvent/NMP solution[J] . Zhen-Liang Xu,F Alsalhy Qusay.Journal of Membrane Science . 2004 (1)
[6]   Highly permeable polyethersulfone hollow fiber gas separation membranes prepared using water as non-solvent additive [J].
Wang, DL ;
Li, K ;
Teo, WK .
JOURNAL OF MEMBRANE SCIENCE, 2000, 176 (02) :147-158
[7]   Formation of ultrathin high-performance polyethersulfone hollow-fiber membranes [J].
Chung, TS ;
Teoh, SK ;
Hu, XD .
JOURNAL OF MEMBRANE SCIENCE, 1997, 133 (02) :161-175
[8]   Polyethersulfone hollow fiber gas separation membranes prepared from NMP/alcohol solvent systems [J].
Wang, DL ;
Li, K ;
Teo, WK .
JOURNAL OF MEMBRANE SCIENCE, 1996, 115 (01) :85-108
[9]  
Effects of temperature and pressure on gas permselection properties in asymmetric membranes[J] . Dongliang Wang,K. Li,W.K. Teo.Journal of Membrane Science . 1995 (1)