Question: The following shows the influent and effluent data for an existing conventional biological treatment process with nitrification. An additional biological denitrification process is also proposed

The following shows the influent and effluent data for an existing conventional biological treatment process with nitrification. An additional biological denitrification process is also proposed following the nitrification system. Is the denitrification system a valid process following the existing system based on the data provided? (10 points)

Influent

BOD = 11 mg/L

DO = 6 mg/L

NO₃ = 20 mg/L

Effluent BOD = 7 mg/L

DO = 2 mg/L

NO₃ = <1 mg/L

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