The sludge in the A2O aerobic tank has turned black; after a day of aeration, it remains black. What should be done?

2021-05-23View Original

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The sludge in the A2O aerobic tank has turned black; after a day of aeration, it remains black. What should be done?

Reply #22021-05-24

Processing beyond the specified scope should be addressed at its source; it is inevitable that processing of materials beyond the capacity of the equipment will fail. For reference.

Reply #32021-06-01

Check the sedimentation ratio, whether there are any abnormalities in COD, and examine bacterial activity under a microscope

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