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- Dictionarybod/bɒd/
noun
- 1. a body: informal "a line-up of stunning bods"
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Biochemical oxygen demand (BOD) is the amount of dissolved oxygen consumed by aerobic bacteria in water samples. It is used as a measure of organic water pollution and wastewater treatment effectiveness.
Jun 5, 2018 · BOD is a measure of the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter in water. Learn how BOD affects the concentration of dissolved oxygen and the aquatic life in streams and lakes.
BOD is the amount of oxygen used by microbes to decompose organic matter in water. It indicates the organic pollution and respiration rate in aquatic ecosystems. Learn more about BOD, its levels, and its applications in sewage treatment and medicine.
- In simple words, biochemical oxygen demand is the amount of oxygen required by microorganisms to break down the organic matter present in the water...
- Biochemical oxygen demand indicates the amount of organic pollution present in an aquatic ecosystem.
- When BOD is low, the dissolved oxygen present in the water body is high. This indicates that the water is less polluted by organic matter.
- High BOD levels are caused by high consumption of dissolved oxygen by microorganisms. It indicates that the water is highly polluted with organic m...
Oct 27, 2021 · The BOD value is then calculated from the depletion and the size of the sample used. The DO readings are usually in parts per million (ppm). Higher BOD indicates more oxygen is required, signifying lower water quality. Low BOD means less oxygen is being removed from water, so the water is usually more pure.
Biochemical oxygen demand (BOD). It is an important measure of water quality. It is a measure of the amount of oxygen needed (in mg l-1) by bacteria and other microorganisms to fully oxidize the organic matter present in a water sample.
Mar 6, 2012 · BOD directly affects the amount of dissolved oxygen in rivers and streams. The greater the BOD, the more rapidly oxygen is depleted in the stream. This means less oxygen is available to higher forms of aquatic life. The consequences of high BOD are the same as those for low dissolved oxygen: aquatic organisms become stressed, suffocate, and die.
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May 26, 2024 · Therefore, the amount of BOD in the water indicates how much oxygen is necessary to biologically decompose organic matter. Therefore, when sewage and river water are combined, the BOD levels in the water increase. Factors Affecting BOD. The BOD of a body of water is affected by the following variables: Temperature. The pH of the water.
