What is the impact of adding domestic sewage to wastewater?
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The process involving hydrolysis, aerobic treatment, and MBR membranes for treating wastewater containing phenols: the COD level of the incoming water is around 10,000, while that of the treated water is usually above 2,000. Sludge does not settle in the sedimentation tank; instead, sludge constantly floats to the surface. Recently, the company’s management requested that one truckload of domestic wastewater be added every 3 days, stating that it was to adjust the nutrient ratio. What are the consequences of using too much water for daily use?
Adding domestic wastewater is equivalent to dilution; moreover, since the nutrient elements required by microorganisms in domestic wastewater are quite suitable, adding some domestic wastewater can only bring benefits to the wastewater treatment system with no drawbacks.