If the influent flow increases from 1.5 MGD to 2.0 MGD, and the BOD after primary remains the same, how does the pounds per day entering the trickling filter change?

If the influent flow increases from 1.5 MGD to 2.0 MGD, and the BOD after primary remains the same, how does the pounds per day entering the trickling filter change?

• A. Increases proportionally with flow
• B. Remains the same
• C. Decreases
• D. Cannot determine

Answer: (A)