Question: Write a simplified mass balance equation for BOD concentration in each of the biological wastewater treatment systems discussed in notes 17. Be sure to state

Write a simplified mass balance equation for BOD concentration in each

Write a simplified mass balance equation for BOD concentration in each of the biological wastewater treatment systems discussed in notes 17. Be sure to state assumptions that lead to the proposed mass balance. For example- first order kinetics, steady state, well mixed etc. Now think about how you might change this mass balance for the actual mass of bacteria doing the degrading. Would it be the same? QinCin+KcCv=Qout Cout+V? dC + kdCV dt 1.Trickling Filters 2. Rotating biological contactors 3. Activated Sludge 4. Oxidation ponds and lagoons 5. Septic Tanks

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