biochemical oxygen demand


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biochemical oxygen demand:

see seweragesewerage,
system for the removal and disposal of chiefly liquid wastes and of rainwater, which are collectively called sewage. The average person in the industrialized world produces between 60 and 140 gallons of sewage per day.
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biochemical oxygen demand

[¦bī·ō′kem·ə·kəl ′äk·sə·jən di′mand]
(microbiology)
The amount of dissolved oxygen required to meet the metabolic needs of aerobic microorganisms in water rich in organic matter, such as sewage. Abbreviated BOD. Also known as biological oxygen demand.
References in periodicals archive ?
The difference observed in removal efficiencies during the dry and wet period for biochemical oxygen demand (BOD) and chemical oxygen demand (COD) may be attributed to hydrological changes in the wetland .
After one year, the biochemical oxygen demand in the mulch treatments were not different from the bare soil control.
TMP-related effluent improvements include a 63 percent reduction in Biochemical Oxygen Demand, 84 percent reduction in Total Suspended Solids and a 90 percent reduction in Chemical Oxygen Demand.
Two methods based on the oxygen uptake measurement--the biochemical oxygen demand and the short-term oxygen uptake measurements were used.
For example, in the case of bonds issued to provide industrial sewage facilities, the taxpayer must be able to prove that the subject wastewater meets the biochemical oxygen demand limits set forth in the Treasury Regulations.
Among the rivers in which Tama-chan has been spotted since this summer, the Katabira River had the best water quality, recording the lowest biochemical oxygen demand (BOD).
Biochemical oxygen demand (BOD) biosensors have been developed to measure BOD faster than by the conventional method ([BOD.
The most significant results came from the fecal coliform test, the turbidity test and the biochemical oxygen demand test (BOD).
Other data collected included: water temperature, depth, air temperature, secchi disk, dissolved oxygen, fecal coliform, pH, biochemical oxygen demand (BOD), bird survey, invertebrates, vegetation and soil.
A significant problem was the high biochemical oxygen demand (BOD) caused by chemicals in the wastewater.
Children are packing pH meters, turbidity tubes, magnifying glasses, biochemical oxygen demand bottles, nets and scoops, and heading down to the river, keen to learn how the real scientists do their stuff.
The organisms remove biochemical oxygen demand (BOD), which is organic matter that consumes oxygen in a body of water.

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