Question:
A trickling filter receives an organic load of \(300~\mathrm{kg\ BOD/day}\) and has a filter volume of \(150~\mathrm{m^3}\). What is the organic loading rate of the filter?
A trickling filter receives an organic load of \(300~\mathrm{kg\ BOD/day}\) and has a filter volume of \(150~\mathrm{m^3}\). What is the organic loading rate of the filter?
Show Hint
Organic loading rate:
\[
\boxed{
\text{Organic Loading}
=
\frac{\text{BOD Load (kg/day)}}{\text{Filter Volume (m}^3\text{)}}
}
\]
Updated On: Jul 18, 2026
- \(0.5~\mathrm{kg\ BOD/m^3\!\cdot\!day}\)
- \(2~\mathrm{kg\ BOD/m^3\!\cdot\!day}\)
- \(5~\mathrm{kg\ BOD/m^3\!\cdot\!day}\)
- \(10~\mathrm{kg\ BOD/m^3\!\cdot\!day}\)
Show Solution
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The Correct Option is B
Solution and Explanation
Organic loading rate is
\[
\text{Organic Loading}
=
\frac{\text{Organic Load}}{\text{Filter Volume}}
\]
Substituting the given values,
\[
=\frac{300}{150}
=2\ \mathrm{kg\ BOD/m^3\!\cdot\!day}
\]
Hence,
\[
\boxed{2~\mathrm{kg\ BOD/m^3\!\cdot\!day}}
\]
Therefore,
\[
\boxed{(B)}
\]
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