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air quality modeling
software
DISPER Software · vehicle emission modeling
Air quality indexes
The World Health Organization, Federal and Germany air quality indexes have the next upper limits:
|
Pollutant |
Period |
Federal |
WHO |
Ta Luft (Germany) |
|
CO |
15 min 30 min 1 h 8 h |
40.000 ug/m3 10.000 ug/m3 |
100.000 ug/m3 60.000 ug/m3 30.000 ug/m3 10.000 ug/m3 |
30.000 ug/m3 10.000 ug/m3 |
|
NO2 |
1 h 24 h annual |
100 ug/m3 |
400 ug/m3 150 ug/m3 |
200 ug/m3 80 ug/m3 |
|
O3 |
1 h 24 h 100 days |
235 ug/m3 |
200 ug/m3 65 ug/m3 60 ug/m3 |
|
|
SO2 |
10 min 1 h 3 h 24 h annual |
1.300 ug/m3 365 ug/m3 80 ug/m3 |
500 ug/m3 350 ug/m3
125 ug/m3 40 – 60 ug/m3 |
400 ug/m3 140 ug/m3 60 ug/m3 |
|
PM-10 |
24 h anual |
150 ug/m3 50 ug/m3 |
125 ug/m3 50 ug/m3 |
150–300 ug/m3 |
|
SO2+PM-10 |
annual |
|
60 – 90 ug/m3 |
|
|
Pb |
3 months anual |
1,5 ug/m3 |
0,5 – 1 ug/m3 |
2 ug/m3 |
|
PM + PM-10 |
24 h annual |
260 ug/m3 75 ug/m3 |
|
|
|
Hydrocarbons |
3 h |
160 ug/m3 |
|
|
Pollutant emissions
In this section, we will show typical emission values that can be used as input data in the DISPER software:
Typical coal boiler emissions:
|
Coal boiler power |
Coal kg per second (kg/s) |
SOx |
NOx |
CO |
|
100 MW |
3,3 g/s |
201 g/s |
48 g/s |
0,8 g/s |
|
500 MW |
16,5 g/s |
1.005 g/s |
240 g/s |
4 g/s |
|
1.000 MW |
33 g/s |
2.010 g/s |
480 g/s |
8 g/s |
|
1.500 MW |
49,7 g/s |
3.023 g/s |
721 g/s |
12,4 g/s |
|
2.000 MW |
66 g/s |
4.020 g/s |
960 g/s |
16 g/s |
Typical fuel oil boiler emissions:
|
Boiler power |
Fuel oil liters per second (L/s) |
SO2 |
NOx |
CO |
|
50 MW |
1,2 g/s |
72 g/s |
6,7 g/s |
0,7 g/s |
|
100 MW |
2,4 g/s |
144 g/s |
13,4 g/s |
1,4 g/s |
|
150 MW |
3,6 g/s |
210 g/s |
20,2 g/s |
2,1 g/s |
|
200 MW |
4,8 g/s |
280 g/s |
26,8 g/s |
2,8 g/s |
|
300 MW |
7,2 g/s |
432 g/s |
40,2 g/s |
4,2 g/s |
Typical butane boiler emissions:
|
Boiler power |
Liters of butane per second (L/s) |
SOx |
NOx |
CO |
|
3 MW |
0,11 g/s |
0,0079 g/s |
0,28 g/s |
0,047 g/s |
|
10 MW |
0,37 g/s |
0,027 g/s |
0,93 g/s |
0,159 g/s |
|
20 MW |
0,74 g/s |
0,053 g/s |
1,86 g/s |
0,32 g/s |
|
30 MW |
1,1 g/s |
0,079 g/s |
2,77 g/s |
0,47 g/s |
Typical road emision:
|
Number of vehicles per hour |
CO (g/ms) |
NOx (g/ms) |
CxHy (g/ms) |
|
100 |
0,00028 |
0,00009 |
0,000028 |
|
1.000 |
0,0028 |
0,0009 |
0,00028 |
|
5.000 |
0,014 |
0,0042 |
0,0014 |
|
10.000 |
0,028 |
0,009 |
0,0028 |
|
50.000 |
0,135 |
0,042 |
0,0135 |
|
100.000 |
0,28 |
0,09 |
0,028 |
|
Number of vehicles per day |
CO (g/ms) |
NOx (g/ms) |
CxHy (g/ms) |
|
1.000 |
0,000116 |
0,0000375 |
0,0000116 |
|
5.000 |
0,00058 |
0,00019 |
0,000058 |
|
10.000 |
0,00116 |
0,000375 |
0,000116 |
|
50.000 |
0,0058 |
0,0019 |
0,00058 |
|
100.000 |
0,0116 |
0,00375 |
0,00116 |
Pollution map (XZ-Plane) produced by continuous discharge in this region. The fucshia lines represents a stack (position of the point sources) in a XZ-Plane. The red colour represents high pollutant concentrations. The green colour represents the ground and the surface topography.
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