Discuss the methodology of conducting a 5 day bod test'

1.	Discuss the methodology of conducting a 5 day bod test'
Answer» ANSWER: BOD occurs in 2 general stages. While calculating the oxygen demand, the carbonaceous stage is taken into account. This stage is ALMOST COMPLETED in 5 days, which MEANS that most of the organic content of the sewage is OXIDIZED under aerobic conditions in 5 days. Hence, BOD for 5 days is calculated.

Answer»

BOD occurs in 2 general stages. While calculating the oxygen demand, the carbonaceous stage is taken into account. This stage is ALMOST COMPLETED in 5 days, which MEANS that most of the organic content of the sewage is OXIDIZED under aerobic conditions in 5 days. Hence, BOD for 5 days is calculated.

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Discuss the methodology of conducting a 5 day bod test'

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