Biochemical Oxygen Demand - EOLSS
Biochemical oxygen demand (BOD) is also sometimes referred to as biological oxygen demand, but the latter term is considered inappropriate by many scientists and engineers. These terms are widely used to define the microbial use or consumption (i.e. demand) of oxygen during the aerobic oxidation of electron donors such as readily
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ncert.nic.in2. Investigating the biochemical (also called biological oxygen demand [BOD]) of a water sample as pollution indicator. Background information A dissolved oxygen (DO) test measures the current status of oxygen in a water body. This is a useful starting point. However, DO content can vary considerably from day-to-day as affected by
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www3.epa.govBiochemical Oxygen Demand 2-50 25 U NA Chemical Oxygen Demand 25-100 70 U NA Total Nitrogen 10-30 20 U <30 Ammonia Nitrogen 0.1-25 10 U NA Nitrate Nitrogen 1-20 8 0.1-1.2 NA Total Phosphorus 5-40 10 <0.02 NA Chloride 50-500 75 55-77 <350 Sodium 50-400 100 71-97 <70 Potassium 10-30 15 4-6 NA Calcium 25-100 50 66-163 NA Magnesium 10-50 20 23-28 NA
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