YES. Despite the fact that COD needs to be thought of an unbiased test from BOD, and may deliver a higher concentration reading through than BOD for a particular wastewater sample, it is normally acknowledged that COD and BOD share an empirical connection.
If by any probability, You can find an addition of organic make any difference in the sample, the BOD test success will occur out elevated.
The most crucial factors for treating wastewater before its discharge into the water resource are to lower its BOD, reducing the necessity for oxygen, therefore decreasing its need from the rivers, lakes, rivers, or inlets wherein it is actually produced.
For testing BOD, there are plenty of different acceptable resources for seed material. The following are several of the most employed:
Biochemical oxygen demand (BOD) represents the amount of oxygen eaten by microorganisms together with other microorganisms though they decompose organic matter beneath aerobic disorders at a specified temperature.
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Oxygen demand from customers for your check here oxidation of both natural and organic and inorganic materials from the sewage, the oxygen is demanded.
Biochemical oxygen need is the level of oxygen expected for microbial metabolism of natural compounds in water. This desire occurs about some variable time frame dependant upon temperature, nutrient concentrations, and also the enzymes accessible to indigenous microbial populations. The amount of oxygen necessary to completely oxidize the organic and natural compounds to carbon dioxide and water by generations of microbial expansion, Loss of life, decay, and cannibalism is full biochemical oxygen demand (overall BOD).
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