It is possible to estimate the amount of biodegradable organic matter in sewage water by using BOD?

BOD or biochemical oxygen demand is the amount of oxygen needed by the microorganisms to degrade the amount of organic matter or sewage present in a water body, at a certain temperature or over a certain time period. It gives an idea about the amount of organic matter present, as higher body means higher oxygen is consumed and it indicates that higher amount of organic  matter is present. Similarly, low BOD indicates that lower amount of organic matter is present in the water body.

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