Preparation and Characteristics of Ceramic Hollow Fiber Membranes for Oxygen Permeation

Abstract

Abstract: A mixed oxide-electron conducting ceramic, La_0.6Sr_0.4Co_0.2Fe_0.8O_3-α (LSCF) hollow fiber membrane was prepared by the phase inversion technique. The ceramic hollow
fibre membranes have the asymmetric structure with spongy and dense layers. The dense hollow fibre membranes without defects can be obtained after sintering at 1300℃ for 4h. The crystalline
grain of LSCF in the membranes becomes larger after sintering at high temperatures, however the perovskite crystalline structure doesn’t change. The permeability of LSCF hollow fiber membrane is
higher than that of the common tube membrane.

Key words: hollow fiber, ceramic membrane, oxygen-permeable membrane, oxygen-permeability

CLC Number:

TQ174
TB383

TAN Xiao-Yao,MENG Bo,YANG Nai-Tao. Preparation and Characteristics of Ceramic Hollow Fiber Membranes for Oxygen Permeation[J]. Journal of Inorganic Materials.

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Preparation and Characteristics of Ceramic Hollow Fiber Membranes for Oxygen Permeation

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