Hi All, Thank you very much ...

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Hi All,

Thank you very much for all of your answers. My team checked through all the process and finally found sludge settling too good at the bottom of clarifier, which the concentration 3 times higher than normal time. After we increased RAS flow and unplug the RAS pump suction, the condition came back to normal.

Thanks again for all of you.

Best Regards,
Zhengzhi