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COD=100 What is Bod
The relationship between COD and BOD5 is that COD measures the total organic matter in water, while BOD5 measures the amount of oxygen required by microorganisms to biologically degrade organic matter. The ratio of BOD/COD or COD/BOD can indicate the biodegradability of organic matter in water; a high ratio suggests that the organic matter is easily biodegradable, while a low ratio indicates it is less biodegradable.
Chlorine can react with organic compounds in wastewater to form new byproducts that contribute to an increase in chemical oxygen demand (COD) and biochemical oxygen demand (BOD). These byproducts are often more difficult to break down and can lead to higher levels of COD and BOD in the water.
COD measures the amount of oxygen required to chemically oxidize (break down) organic and inorganic matter in a water sample, while BOD measures the amount of oxygen consumed by microorganisms during a biological process that breaks down organic matter. COD typically gives a higher value than BOD because it includes both the chemical and biological oxygen demand in the water sample.
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"COD" is Chemical Oxygen Demand," and BOD is Biochemical Oxygen Demand." These are the two processes that cause oxidation of an object in either a natural waterway or in industrial wastewater..
BOD (biochemical oxygen demand) for sugar is typically low since it is easily consumed by microorganisms, while COD (chemical oxygen demand) is usually used to estimate the amount of organic pollutants in water. However, the specific BOD and COD values for 1 kg of sugar dissolved in water would depend on factors like temperature, microbial activity, and the presence of other substances in the water.
Biochemical oxygen demand (BOD) and chemical oxygen demand (COD) both measure the quantity of organic compounds found in water. The makes them significant when is comes to the treatment of water.
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COD is usually greater than BOD5 as it measures the oxidation of all organics, not just the biodegradable ones