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A nanofiber composite catalytic membrane for biodiesel production was prepared from phosphotungstic acid (PWA)/poly(vinyl alcohol) (PVA) via electrospinning on a substrate of non-woven fabric. The effects on the nanofiber structure and catalytic performance by PVA concentration and PWA content were studied, respectively. SEM images showed that the surface of PWA/PVA nanofibers was smooth and homogeneous...
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