In environmental chemistry, the chemical oxygen demand (COD) is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured...

Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed...

oxygen demand (CBOD), the amount of oxygen needed to break down carbon compounds, excluding nitrogen compounds Chemical and biological oxygen demand,...

characteristics include pH value, dissolved oxygen concentrations, biochemical oxygen demand (BOD) and chemical oxygen demand (COD), nitrogen, phosphorus, chlorine...

actual oxygen demand can be measured experimentally and is called the biochemical oxygen demand (BOD). Biological oxygen demand Chemical oxygen demand Carbonaceous...

percent in membrane bioreactors (see table,). Chemical oxygen demand (COD) and biological oxygen demand (BOD5) removal is found to increase with mixed...

organic matter (measured as biochemical oxygen demand (BOD) and chemical oxygen demand (COD)). The treated effluent may be suitable for discharge to surface...

parameters that are quantified are pH, BOD,: 102  chemical oxygen demand (COD),: 104  dissolved oxygen (DO), total hardness, nutrients (nitrogen and phosphorus...

kinetics, mass loading of readily biodegradable chemical oxygen demand {rbCOD}, and the dissolved oxygen {DO} concentration. The oxidation of the ammonium...

methods are commonly used: mainly the Biochemical Oxygen Demand (BOD) and the Chemical Oxygen Demand (COD).: 36  Management of sewage includes collection...

residence time or sludge age of 1 to 5 days. This means that the chemical oxygen demand (COD) removed is relatively little and the effluent is therefore...

Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal...

gaseous oxygen storage systems (gas cylinders), on-board oxygen generating systems (oxygen concentrators), or liquid oxygen systems. Chemical oxygen generation...

solids or soluble organic matter (measured as biochemical oxygen demand and chemical oxygen demand). Similar to natural wetlands, constructed wetlands also...

undergoes a rapid decrease in volume. Meanwhile, the leachate's chemical oxygen demand rises with increasing concentrations of the more recalcitrant compounds...

suspended solids by filtration process, reducing Chemical Oxygen Demand (COD)/Biochemical Oxygen Demand (BOD) by aerobic degradation. Green Bridges also...

compounds that are not readily biodegradable, thereby reducing the chemical oxygen demand of the wastewater and removing toxins. The carbon also acts as a...

[£/m3] Ot = chemical oxygen demand (COD) of effluent after one hour of quiescent settlements at pH 7 [mg/litre] Os = chemical oxygen demand (COD) of effluent...

ASM1 was ready and incorporated a basic model taking into account chemical oxygen demand (COD), bacterial growth, and biomass degradation. An activated sludge...

growth"); by the organic loading rate (the influent mass rate of chemical oxygen demand per unit volume); by centralized plants and decentralized plants...

dissolved oxygen, conductivity, oxygen reduction potential (ORP), turbidity, and Secchi disk depth. Sampling of water for physical or chemical testing can...

pressure of oxygen is roughly constant. Diluter-demand oxygen systems can be used up to 40,000 ft (12,000 m). In a pressure-demand system, oxygen in the mask...

An oxygen concentrator is a device that concentrates the oxygen from a gas supply (typically ambient air) by selectively removing nitrogen to supply an...

strips. Many photographic solutions have high chemical and biological oxygen demand (COD and BOD). These chemical wastes are often treated with ozone, peroxide...

considers the level of total suspended solids, dissolved oxygen, and chemical oxygen demand in water. Erosion at Lebih Beach has seen seven metres (23...

GCE=FV{\frac {(COD_{0}-COD_{t})}{8It}}} Where COD0 and CODt are the chemical oxygen demand (g/dm3) at time 0 and after the treatment time t, F is the Faraday's...

Cause of death, essential data on a governmental death certificate Chemical oxygen demand, a water quality measure Chitin disaccharide deacetylase, an enzyme...

environment. It is used to test:[citation needed] Biochemical Oxygen Demand (BOD) Chemical Oxygen Demand (COD) eutrophication coating identification It can also...

air. Rich mixture causes an oxygen demand. This demand causes the voltage output to rise, due to transportation of oxygen ions through the sensor layer...

tanning step of the process. Chemicals used in tanned leather production increase the levels of chemical oxygen demand and total dissolved solids in...