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Wuxi Dajiang Environmental Technology Co., Ltd.

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  • Sewage treatment by SBR process...

    Sewage treatment by SBR process

    Advantages of SBR process:

    (1) The ideal flow process increases the driving force of the biochemical reaction, improves the efficiency and the operation effect is stable.
    (2) Impact load resistance, there is treated water retained in the pool, which dilutes and buffers the sewage, and effectively resists the impact of water and organic dirt.
    (3) The concentration gradient of DO and BOD5 in the reaction tank can effectively control the expansion of activated sludge. (4) It has a good effect of nitrogen and phosphorus removal.
    (5) The process flow is simple and the cost is low. The main equipment has only one batch type batch reactor, no secondary sedimentation tank, sludge return system, adjustment tank, primary sedimentation tank can also be omitted, compact layout, less floor space.

    Disadvantages of SBR process:

    (1) High requirements for automated control.
    (2) The drainage time is short (intermittent drainage), and the sedimentation sludge layer is required not to be agitated during drainage, so special drainage equipment (decanter) is required, and the requirements for decanter are very high.
    (3) Requirements for post-processing equipment are large: If the disinfection equipment is large, the volume of the contact pool is also large, and the drainage facilities such as drainage pipes are also large.





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