Transcription of NITROGEN OXIDES FORMATION in combustion …
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combustion AND FUELSNITROGEN OXIDES FORMATION in combustionprocessesCOMBUSTION AND FUELSNITROGEN OXIDES FORMED DURING COMBUSTIONN2O - nitrous oxideNO - nitric oxideNO2- NITROGEN dioxideN = 14, O2=16, NO = 30, NO2= 46 combustion AND FUELSCONTRIBUTION OF PARTICULAR NITROGEN OXIDES IN TOTAL NOXPRODUCTION the biggest contribution has nitric oxide (NO) its content in flue gas is in the range of: 100 1000 mg/m3 next is NITROGEN dioxideNO2in proportion 5-10% of NO its content in flue gas is in the range of: 10 100 mg/m3 N2O has the least contribution: its content in flue gas is in the range of: 1 10 mg/m3 combustion AND FUELSWHAT DOES NOXMEAN ? combustion AND FUELSDEFINITION OF NOXNOX means the sum of NO and NO2contents in flue gas recalculated on NO2 NOx= NO + NO2(expressed in NO2) combustion AND FUELSUNITS OF NOXCOMBUSTION AND FUELSU nits of NOxcontent in flue gas mg/m3 ppm (emission) g/m3 (imission) g/GJRemarks: 1. The NOxcontent in flue gas is given for a certain content of oxygen (O2) in flue The NOxcontent in flue gas is given for normal ppm- unite part per million (x10-6) combustion AND FUELSNOX emissions conversion chartppm:NOx[ppm] = NO [ppm] + NO2[ppm]ppm mg/m3NO [mg/m3] = NO [ppm]NOx[mg/m3] = NOx[ppm]mg/m3 GJ (dla NOx)1 g/GJ = [mg/m3] for bituminous coal1 g/GJ = [mg/m3] for ligniteCOMBUSTION AND FUELSNOX emission units which are in use inthe power generation industryIn Poland (and i)
COMBUSTION AND FUELS CONTRIBUTION OF PARTICULAR NITROGEN OXIDES IN TOTAL NO X PRODUCTION the biggest contribution has nitric oxide (NO)its content in flue gas is in the range of: 100 –1000 mg/m3
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