GATE Civil 2022 Set 1 | Question: 16

Question

For wastewater coming from a wood pulping industry, Chemical Oxygen Demand $\text{(COD)}$ and $5$-day Biochemical Oxygen Demand $\text{(BOD}_{5})$ were determined. For this wastewater, which of the following statement(s) is/are correct?

• A. $\text{COD} > \text{BOD}_{5}$
• B. $\text{COD} \neq \text{BOD}_{5}$
• C. $\text{COD} < \text{BOD}_{5}$
• D. $\text{COD} = \text{BOD}_{5}$