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The quality of combustion in a thermo-chemical system dictates the composition of the exhaust gas. Lean operation typically results in lower concentration of regulated pollutants like Carbon Monoxide, Unburned Hydrocarbons and Oxides of Nitrogen etc. It is also interesting to note that instances of dilution of exhaust with air, downstream of the combustion chamber, to artificially bring down the concentration of regulated pollutants have also been observed. To provide a uniform platform for the comparison of emission and to discount atrifical dilution effects, regulatory authorities the world over have made OXYGEN normalized reporting of exhaust mandatory.
In oxygen normalized reporting, the observed emission data is corrected to have a specified concentration of Oxygen in the exhaust, typically on dry basis. The presented tool corrects the provided emission data to the desired levels of normalization. The base normalization is for wet mole/volume basis.
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