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Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed by aerobic bacteria growing on the organic material present in a water sample at a specific temperature over a specific time period.
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.
biochemical oxygen demand (BOD), the amount of dissolved oxygen used by microorganisms in the biological process of metabolizing organic matter in water.
Biochemical oxygen demand, or BOD, measures the amount of oxygen consumed by microorganisms in decomposing organic matter in stream water. BOD also measures the chemical oxidation of inorganic matter (i.e., the extraction of oxygen from water via chemical reaction).
Biochemical oxygen demand is the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic conditions. The common lake or stream contains small amounts of oxygen in the form of dissolved oxygen (DO).
Biological Oxygen Demand. The quantity of oxygen bacteria and other microorganisms required to decompose organic materials in an aerobic environment is known as the biochemical oxygen demand. The average lake or stream contains trace levels of oxygen in the form of dissolved oxygen (DO).
Biochemical oxygen demand (BOD) is the amount of molecular oxygen required to oxidize organic matter into a stable inorganic form through aerobic microbial decomposition.
The Biochemical Oxygen Demand (BOD) is one of the most widely used criteria for water quality assessment. It provides information about the ready biodegradable fraction of the organic load in water.
The amount of oxygen utilized by microorganisms in consuming the organic matter in waters is expressed as Biological or Biochemical Oxygen Demand (BOD). It is a good indicator of biodegradability of wastes, as it is the measure of the actual oxygen demand of wastes.
Biochemical oxygen demand is a measure of the microbial consumption of molecular oxygen during a five-day incubation period for the biochemical degradation of organic material (carbonaceous demand) as well as for the oxidation of inorganic material such as sulfides and ferrous iron.