Urban sewage treatment agent as well as preparation method and application thereof
The invention provides an urban sewage treatment agent as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, preparing modified diatomite; S2, preparing porous titanium dioxide hollow microspheres; S3, preparing porous titanium dioxide mic...
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Main Authors | , , , , , , , , , , , , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
14.12.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The invention provides an urban sewage treatment agent as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, preparing modified diatomite; S2, preparing porous titanium dioxide hollow microspheres; S3, preparing porous titanium dioxide microspheres loaded with oxalic acid; S4, preparing a catalyst; S5, preparing porous titanium dioxide microspheres which are coated with polydopamine and are loaded with oxalic acid; S6, preparing bacterium-loaded composite microspheres; and S7, preparing the urban sewage treatment agent. According to the urban sewage treatment agent, polydopamine on the surfaces of the bacterium-loaded composite microspheres plays a role in purifying heavy metals in sewage, due to the porous hollow structures of the bacterium-loaded composite microspheres, oxalic acid can be loaded in capillary pore channels, an engineering bacterium agent enters the hollow spheres, the engineering bacterium agent and oxalic acid are slowly released |
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Bibliography: | Application Number: CN202111359945 |