How should nutrients be added during the initial operation of biochemical processes in industrial wastewater treatment?
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What is the specific method for adding nutrients? What is the ratio between anaerobic and aerobic sludge concentrations, and how is their amount determined?
Generally, the addition ratios for nutrients are C:N:P = 400:5:1. The sludge concentration in aerobic conditions is usually maintained at 3500–5000 mg/L, while in anaerobic conditions it should be between 7000–8000 mg/L. These are the figures from our factory; I hope they are helpful to you