biological oxygen demand


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Related to biological oxygen demand: Dissolved Oxygen

biological oxygen demand

[¦bī·ə¦läj·ə·kəl ′äk·sə·jən di′mand]
(microbiology)
References in periodicals archive ?
Removal of biological oxygen demand (BOD) in primary sedimentation is 40-50 % and secondary sedimentation 90-95 % this removal of BOD is comparable with NEQS.
Biological Oxygen Demand was measured by bioassay procedure and Chemical Oxygen Demand by open reflux method.
Biological oxygen demand was as high as 8,410 mg/l due to the presence of organic matter.
Composed of a freezing-point lowering polyol and an additive package, these fluids have a lower biological oxygen demand, toxicity, and corrosive capacity, which enhance aircraft safety and minimize maintenance costs.
But the process still removes up to 78 percent of the organic matter from the water, as measured by biological oxygen demand, and anywhere from 50 to 70 percent of the chemical oxygen demand.
BOWEN: Treatment of paper mill waste streams using microorganisms to reduce biological oxygen demand (BOD) is fast becoming a "best practice.
Measures such as biological oxygen demand, total suspended solids, and sediment levels for observed pollutants state the case for severe contamination, even if dose estimates based on concentrated water samples are too high.
Durham City magistrates were told that agency samples showed the biological oxygen demand of the substance of the burn - the ability to strip oxygen from water - was twice as high as raw sewerage, and the pollution spread for two kilometres.
In all estuaries, the biological oxygen demand (BOD) is an important part of the ecosystem.
It will also aid in the reduction of biological oxygen demand by adding air, and help reduce our total suspended solids by removing some of the heavier materials from out effluent.
a $36-million secondary effluent treatment system which treats effluents from the kraft and thermomechanical pulp pump mills, reducing biological oxygen demand, chlorinated organics and toxicity in the Kaministiquia River
The 'allowable discharge' for biological oxygen demand was 88.

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