Question:medium

Under normal conditions, the percentage of BOD removal during primary treatment is about

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Typical removal efficiency during primary treatment: \[ \boxed{ \begin{aligned} \text{Suspended Solids} &\approx 50\%-70\% \text{BOD} &\approx 25\%-35\% \end{aligned} } \]
Updated On: Jul 24, 2026
  • \(30\%\)
  • \(10\%\)
  • \(70\%\)
  • \(85\%\)
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The Correct Option is A

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