The SBR does not perform well in terms of treatment efficiency (it is mainly used for treating ammonia nitrogen); it is used to treat landfill leachate
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The color of the sludge in the SBR tank is also normal; after the initial tuning, the SV level reached 15%. The treatment effect is poor: the maximum ammonia nitrogen removal rate is 50%. It took around 70 days for debugging before and after. The effect just doesn’t improve. Now, after increasing the aeration rate, SV has instead dropped to around 11%. The ammonia nitrogen removal rate is only 50%. My analysis of the reasons is as follows: First, sludge aging. It is caused by long-term operation at low load, as well as excessive aeration. II: The sludge was not properly cultivated. The content of nitrifying bacteria is low. I would like to ask those of you who are knowledgeable if you have any suggestions or reasons.
What is the sludge concentration? What is the quality of the incoming water?