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A magnetically separated fly ash micro-sphere (MSFM) were prepared by citrate sol-gel process.The microstructure of the products were tested by SEM and EDS. It was found that the MSFM was coated with network of barium ferrite, which exhibited the magnetic absorption property. Then the TiO2 film photocatalysts immobilized on MSFM were prepared by sol-gel method, methods. The crystal phase and morphology...
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