The effluent from the diatomite process contains high levels of ammonia nitrogen, with a COD level of over 40
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Is the amount of diatomaceous earth used too small? Is it still related to aeration?
It’s too general; I hope it can be described in more detail, which will also help with analysis. For example, what processing techniques are used, as well as data on ammonia nitrogen and COD in the inlet and outlet water, aerobic DO, and SV, etc.