Question:
In the chemical process industries, the term BOD signifies
In the chemical process industries, the term BOD signifies
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BOD is a key wastewater parameter and indicates the oxygen required for biological decomposition of organic matter.
Updated On: May 27, 2026
- Characterisation of solid wastes
- Characterisation of gaseous effluents
- Characterisation of boiler feed water
- Characterisation of liquid effluents
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The Correct Option is D
Solution and Explanation
BOD stands for:
\[
\text{Biochemical Oxygen Demand}.
\]
It represents the amount of dissolved oxygen required by microorganisms to decompose biodegradable organic matter present in water.
BOD is an important parameter in wastewater analysis.
It is used to measure the pollution strength of liquid waste or sewage.
A high BOD value means the liquid effluent contains a large amount of biodegradable organic matter.
Therefore, in chemical process industries, BOD is used for:
\[
\text{Characterisation of liquid effluents}.
\]
It is not used for solid waste, gaseous effluents, or boiler feed water characterization in this context.
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