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Preparation and Performance of Asymmetry LSCF Hollow Fiber Oxygen-permeable Membrane
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Chengxian ZOU, Zhiyuan JIE, Yang WANG, Xiaobin WANG, Bo MENG, Naitao YANG
Journal of the Chinese Ceramic Society | 2021, 49(4) : 785 - 792
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Journal of the Chinese Ceramic Society | 2021, 49(4): 785-792
Preparation and Performance of Asymmetry LSCF Hollow Fiber Oxygen-permeable Membrane
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Chengxian ZOU, Zhiyuan JIE, Yang WANG, Xiaobin WANG, Bo MENG, Naitao YANG
Affiliations
  • School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, Shandong, China
  • ZOU Chengxian (1995-), male, Master candidate. E-mail:

About Author:

ZOU Chengxian (1995-), male, Master candidate. E-mail:

Published: 2021-04-20 doi: 10.14062/j.issn.0454-5648.20200680
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A series of La0.6Sr0.4Co1-yFeyO3-δ (LSCF, y=0.2, 0.5 or 0.8) oxides with perovskite structure was prepared by sol-gel method, and then the corresponding hollow fiber membranes with different microstructures were fabricated through the phase inversion/sintering method. The influence of the coagulant and Co/Fe molar ratio on the microstructure and oxygen permeability of LSCF hollow fiber membranes was investigated. LSCF hollow fiber membrane with a dense thin outer surface and large numbers of finger-like channels was prepared by using a mixture of 70% (mass fraction) NMP and 30% ethanol as internal coagulation and deionized water as outer coagulation. The finger-like pores could greatly reduce the diffusion resistance, and thus improving the oxygen permeability. With the increase of temperature and the rate of helium sweeping gas, the oxygen permeation flux of LSCF hollow fiber membrane increases gradually. The Co/Fe molar ratio has an important influence on the membrane microstructure and oxygen permeation. The O2 permeation flux increased with increasing the Co/Fe molar ratio. The oxygen permeation flux reached up to 2.81 mL·min-1·cm-2 at a helium sweeping rate of 120 mL·min-1 and Co/Fe molar ratio of 4 at 950℃ (the test temperature of oxygen-permeable membrane).

hollow fiber  /  perovskite-type oxide  /  oxygen-permeable membrane  /  oxygen permeation flux
邹成贤, 介志远, 王洋, 王晓斌, 孟波, 杨乃涛. 非对称LSCF中空纤维透氧膜的制备及性能. 硅酸盐学报, 2021 , 49 (4) : 785 -792 . DOI: 10.14062/j.issn.0454-5648.20200680
Chengxian ZOU, Zhiyuan JIE, Yang WANG, Xiaobin WANG, Bo MENG, Naitao YANG. Preparation and Performance of Asymmetry LSCF Hollow Fiber Oxygen-permeable Membrane[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (4) : 785 -792 . DOI: 10.14062/j.issn.0454-5648.20200680
Year 2021 volume 49 Issue 4
29
9
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Article Info
doi: 10.14062/j.issn.0454-5648.20200680
  • Receive Date:2020-09-07
  • Online Date:2026-10-30
  • Published:2021-04-20
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  • Received:2020-09-07
  • Revised:2020-10-14
Funding
Affiliations
    School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, Shandong, China

Corresponding:

WANG Xiaobin (1980-), male, Ph.D., associate Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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