Take a look at how to adjust this water
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Current water quality: COD: 117； BOD: 54 ； Ammonia nitrogen: 38.4 ； Total nitrogen: 59.2 ； Total phosphorus: 3.78. Discharge requirements: COD: 50 ； BOD: 10 ； Ammonia nitrogen: 5 ； Total nitrogen: 15 ； Total phosphorus: 0.5. The design capacity is 10,000 T/d (416 T/h), but currently the water flow is less than 5,000 T/d (200 T/h). The process used is an improved Carrousel oxidation ditch (with pre-anoxic and anoxic stages). The volume of the anoxic zone is 412 m3, the volume of the anoxic zone is 1,370 m3, and the volume of the oxidation ditch itself is 6,753 m3. What are everyone’s opinions? Can this system still operate under these conditions? How to run it?
It’s not difficult to meet the standards for COD and BOD； It is not easy to meet the emission standards for ammonia nitrogen and total nitrogen, but stable operation can still help achieve these requirements ； Reaching the emission standards with TP is very difficult using conventional processes, requiring chemical phosphorus removal in the effluent.