Question

About biological oxygen demand

Answer 1

When in a watersourse as pond, river ,etc there chemical sludges mix with it then in the water there would be grown many of algae . In that cause there will be Oxygen crisis in water. BOD is the lowest value of oxygen what must in water.

Answer 2

Biological Oxygen Demand (BOD) and Water.Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature.