Table of Contents
What are the advantages of COD?
Cod is both a nutritious and flavorful fish loaded with lean protein, vitamins, and minerals. Although lower in omega-3s than fatty fish, cod can still be part of a healthy diet. Cod contains less mercury than some seafood, including popular fish like tuna, and can be prepared in multiple ways.
Why is COD technique considered better than BOD?
COD is the amount of oxygen required to chemically breakdown the pollutants whereas BOD is the amount of oxygen required to do this biologically through micro-organisms. There is a strong correlation between COD and BOD, however COD analysis is a much faster and more accurate method.
Why is a COD test preferred over a BOD test?
COD uses strong chemicals to oxidize organic matter. Generally, COD is preferred to BOD for process control measurements because results are more reproducible and are available in just two hours rather than five days.
What is the main difference between BOD and COD?
The main difference between BOD and COD is that BOD is the amount of oxygen which is consumed by bacteria while decomposing organic matter under aerobic conditions whereas COD is the amount of oxygen required for the chemical oxidation of total organic matter in water.
What are the limitations of the BOD test?
A major disadvantage of the BOD test is the amount of time (5 days) required to obtain the results. When a measurement is made of all oxygen consuming materials in a sample, the result is termed “Total Biochemical Oxygen Demand” (TBOD), or often just simply “Biochemical Oxygen Demand” (BOD).
Can I eat COD everyday?
Consuming cod in moderate amounts is safe and generally without adverse effects. Cod, like most types of fish, contains mercury. Excessive mercury consumption can be toxic and may cause neurological and behavioral disorders. It may be particularly problematic in children.
What are the advantages and disadvantages of the COD test compared to BOD?
COD is normally higher than BOD because more organic compounds can be chemically oxidised than biologically oxidised. This includes chemicals toxic to biological life, which can make COD tests very useful when testing industrial sewage as they will not be captured by BOD testing.
Is cod a healthy fish?
Cod is a low-fat source of protein, making it an excellent choice for people who would like to reduce their fat intake and improve their heart health. Cod also contains a significant amount of iodine, which is an important mineral for thyroid function.