Seeking assistance to ensure municipal wastewater treatment meets the standards for Class III surface water quality
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I need help dealing with municipal or rural domestic wastewater; the required discharge standards are COD of 20, BOD of 4, NH3-N of 1.0, TN of 1.0, and TP of 0.05. Currently, after treatment the values reach COD of 20, BOD of 4, NH3-N of 2.0, TN of 15, and TP of 0.5. The treatment process currently used involves physical treatment, biological treatment, and activated carbon filtration, with a daily processing capacity of 1,500 tons. Are there any other effective methods?
What kind of process is biochemical treatment? It is recommended to enhance denitrification in the biochemical stage, and to add chemical phosphorus removal after the biochemical treatment. Add an oxidation pond after the activated carbon?