biochemical oxygen demand


Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.
Related to biochemical oxygen demand: biochemical oxygen demand test

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.
..... Click the link for more information.
.

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 ?
Parameter Concentration (mg/L) Biochemical oxygen demand (BOD) 23,400-52,100 Chemical oxygen demand (COD) 80,100-95,000 Total carbohydrate 17,000-19,000 Total nitrogen 850-930 Ammonium nitrogen 24-31 Total phosphorus 96-120 Phosphate 15.
The values for chemical oxygen demand and five day biochemical oxygen demand drastically decreased after the treatment, and the removal efficiencies for COD and BOD5 were 88 92 and 85 97%, respectively.
sampling events (TR x SE) and respective coefficient of variation (CV) for organic matter parameters in water of aquaculture systems: biochemical oxygen demand (BOD), dissolved organic carbon (DOC), chlorophyll-a, thin sediment (TS) and thick sediment (ThS).
The biochemical oxygen demand [BOD] determination has generally been recognized as the most appropriate and sensitive test for detection and measurement of pollution.
After one year, the biochemical oxygen demand in the mulch treatments were not different from the bare soil control.
The biochemical oxygen demand measurements were carried out at a high ratio of the initial substrate concentration to biomass.
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.
Surcharges are based generally on the biochemical oxygen demand (BOD), chemical oxygen demand (COD), suspended solids, oil and grease, nitrogen, phosphate and/or pH of the wastewater--and the heavier the level of organic matter in the wastewater, the higher the charge.

Full browser ?