biochemical oxygen demand वाक्य
उदाहरण वाक्य
मोबाइल
- A numeric limitation quantifies the maximum pollutant load or concentration allowed in the discharge, e . g ., 30 mg / L of biochemical oxygen demand.
- As a result, the final effluent was a deep red colour, and were a major factor in the poor biochemical oxygen demand ratings for the river.
- Anoxia is further influenced by biochemical oxygen demand ( BOD ), which is the amount oxygen used by marine organisms in the process of breaking down organic matter.
- Algae may cause measurable contribution to biochemical oxygen demand ( BOD ) and total suspended solids ( TSS ) concentrations where discharge regulations include limitations on those concentrations.
- The model describes how dissolved oxygen ( DO ) decreases in a river or stream along a certain distance by degradation of biochemical oxygen demand ( BOD ).
- Biochemical oxygen demand ( BOD ) is a measure of the amount of oxygen required by aerobic micro-organisms to decompose the organic matter in a sample of water.
- These sources increase the biochemical oxygen demand in the waters where they are discharged which leads to the depletion of dissolved oxygen in the water and often causes anoxia.
- Media irrigation water, although many systems recycle part of it to reduce operating costs, has a moderately high biochemical oxygen demand ( BOD ) and may require treatment before disposal.
- Biochemical oxygen demand ( BOD5 ) values, Chemical oxygen demand ( COD ) values and nutrient content were high, these were attributed to NTPC effluent discharge and retting of coconut husks.
- The variable fee is calculated with the reference to the biochemical oxygen demand ( BOD 5 ) loading as well as to the volume and concentration of the wastewater being discharged.
- One official describes the river as a " sewage drain " with biochemical oxygen demand ( BOD ) values ranging from 14 to 28 mg / l and high coliform content.
- Oxygen is bubbled through the mixture of wastewater and activated sludge to reduce the organic matter ( measured as biochemical oxygen demand ( BOD ) and chemical oxygen demand ( COD ) ).
- To determine five-day biochemical oxygen demand ( BOD 5 ), several dilutions of a sample are analyzed for dissolved oxygen before and after a five-day incubation period at 20 �C in the dark.
- The amount of oxygen required to completely oxidize the organic compounds to carbon dioxide and water through generations of microbial growth, death, decay, and cannibalism is total biochemical oxygen demand ( total BOD ).
- The researchers attributed Frame's high biochemical oxygen demand and " peculiar chemical characteristics " to not only the proximity of downtown but the city's use of the lake as a dump for plowed snow.
- In 2007 the Arakawa River tied with six other rivers for having the best quality river water in country based on biochemical oxygen demand tests conducted by the Ministry of Land, Infrastructure, Transport and Tourism.
- Measurements of water quality at the Landfill Road site during the years covered by the DEQ report showed high concentrations of phosphates, ammonia and nitrates, fecal coliform bacteria, and suspended solids, and a high biochemical oxygen demand.
- The company also manufactures a BOD ( Biochemical Oxygen Demand ) bottle that is popular in the international market, as well as glass scintillation vials and a wide variety of glass and plastic rigid containers and closures.
- A reduction in deep-water circulation will eventually lead to a serious decrease in deep-water oxygen concentrations due to biochemical oxygen demand associated with the decay of organic matter that sinks into the deep-sea as a result of export production from surface waters.
- The Royal Commission on Sewage Disposal published its eighth report in 1912 that set what became the international standard for sewage discharge into rivers; the'20 : 30 standard', which allowed 20 mg Biochemical oxygen demand and 30 mg suspended solid per litre.
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