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  • A wastewater sample has a BOD5 of 150 mg/L. What is the theoretical oxygen demand (ThOD) of the sample?Option: 1 225 mg/L</d

A wastewater sample has a BOD5 of 150 mg/L. What is the theoretical oxygen demand (ThOD) of the sample?

Option: 1

225 mg/L


Option: 2

300 mg/L


Option: 3

375 mg/L


Option: 4

450 mg/L


Answers (1)

best_answer

\begin{aligned} &\begin{aligned} \mathrm{ThOD} & =\mathrm{BOD}_5 \times\left(1.5-0.5 \times \log \mathrm{BOD}_5\right) \\ \mathrm{ThOD} & =150\ \mathrm{mg} / \mathrm{L} \times(1.5-0.5 \times \log 150 \ \mathrm{mg} / \mathrm{L}) \end{aligned}\\ &\mathrm{ThOD}=300 \ \mathrm{mg} / \mathrm{L} \end{aligned}

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Shailly goel

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