7 Flue gas measurement
7.1.2 Conversion factors for emission values for wood-fired furnaces
(Coniferous wood in accordance with ÖNORM M7312 at 30 % w, source: BLT Wieselburg)
Carbon dioxide CO [ppm] at
13 % O
2
[ppm] at
10 % O
2
[mg/Nm³]
at 13 % O
2
[mg/Nm³]
at 10 % O
2
[mg/MJ] [mg/kWh]
1 [ppm] at 13 % O
2
= 1.00 1.38 1.25 1.72 0.85 3.07
1 [ppm] at 10 % O
2 = 0.73 1.00 0.91 1.25 0.62 2.23
1 [mg/Nm³] at 13 % O
2 =0.801.101.001.380.682.45
1 [mg/Nm³] at 10 % O
2 = 0.58 0.80 0.73 1.00 0.5 1.78
1 [mg/MJ] = 1.17 1.61 1.47 2.02 1.00 3.60
1 [mg/kWh] = 0.33 0.45 0.41 0.56 0.28 1.00
Nitrogen oxide [ppm] at
13 % O
2
[ppm] at
10 % O
2
[mg/Nm³]
at 13 % O
2
[mg/Nm³]
at 10 % O
2
[mg/MJ] [mg/kWh]
1 [ppm] at 13 % O
2
= 1.00 1.38 2.05 2.82 1.40 5.03
1 [ppm] at 10 % O
2 = 0.73 1.00 1.49 2.05 1.02 3.66
1 [mg/Nm³] at 13 % O
2 = 0.49 0.67 1.00 1.38 0.68 2.45
1 [mg/Nm³] at 10 % O
2 = 0.35 0.49 0.73 1.00 0.50 1.78
1 [mg/MJ] = 0.72 0.98 1.47 2.02 1.00 3.60
1 [mg/kWh] = 0.20 0.27 0.41 0.56 0.28 1.00
Hydrocarbons [ppm] at
13 % O
2
[ppm] at
10 % O
2
[mg/Nm³]
at 13 % O
2
[mg/Nm³]
at 10 % O
2
[mg/MJ] [mg/kWh]
1 [ppm] at 13 % O
2
=
1 [ppm] at 10 % O
2 =
1 [mg/Nm³] at 13 % O
2 =1.001.380.682.45
1 [mg/Nm³] at 10 % O
2 = 0.73 1.00 0.50 1.78
1 [mg/MJ] = 1.47 2.02 1.00 3.60
1 [mg/kWh] = 0.41 0.56 0.28 1.00
Dust [ppm] at
13 % O
2
[ppm] at
10 % O
2
[mg/Nm³]
at 13 % O
2
[mg/Nm³]
at 10 % O
2
[mg/MJ] [mg/kWh]
1 [ppm] at 13 % O
2
=
1 [ppm] at 10 % O
2 =
1 [mg/Nm³] at 13 % O
2 =1.001.380.682.45
1 [mg/Nm³] at 10 % O
2 = 0.73 1.00 0.50 1.78
1 [mg/MJ] = 1.47 2.02 1.00 3.60
1 [mg/kWh] = 0.41 0.56 0.28 1.00
MA-Easyfire 10.2008_EN.indd 72MA-Easyfire 10.2008_EN.indd 72 30.03.2009 13:30:11 Uhr30.03.2009 13:30:11 Uhr