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Research on the Membrane Fouling Characters in the Photocatalysis-Membrane Reactor

The membrane fouling characters in the Photocatalysis-Membrane Reactor (PMR) were studied by the SEM analyzing, and compared with the membrane fouling characters in the direct microfiltration reactor. The experiments results indicate that the photocatalysis process can alleviate the membrane fouling in comparison with the direct microfiltration process. The membrane pressure is 0.007Mpa in the PMR after 75h reaction, which is 0.014Mpa in the direct microfiltration reactor. The fouling layer on the membrane surface in the PMR is formed by the TiO2 particles, which has loose layer structure and low surface roughness.