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Experimental results regarding characterization of BSCF 5582 and LSCF 6428 in the form of hollow fibres are presented in this work. These are membranes that can be potentially used in applications such as oxygen permeation and syngas production. In the case of LSCF 6428 hollow fibres, a surface modification was proposed giving two different morphology structures which were called as “smooth” and “rough” surface. Three main techniques were used to characterize these membranes: X-ray diffraction (XRD) analysis, energy dispersive X-ray emission analysis (EDAX) and scanning electron microscopy (SEM). A large distribution of cavities was observed on the surface of BSCF 5582, which might be a concern for obtaining a gas-tight membrane. In the case of LSCF 6428, both morphologies present a structure filled with elongated finger-like cavities close to both outer and inner surface, which can be explored in catalyst impregnation. In addition, the rough surface structure is fairly spongy which might be of interest for catalyst impregnation and surface kinetic studies.

CHARACTERIZATION OF HOLLOW FIBRE MEMBRANES FOR OXYGEN PERMEATION AND PARTIAL OXIDATION REACTIONS