2 replies to this topic

[chemical eng.]

hi my friends

i got tripple how to calculate the concentration of vented hydrocarbone ton atmosphere
i have acid gases vented to atmosphere by vent with 22.5 m hight, diameter 8 inch
the composition as following
C1 = 0.01248
C2 = 0.00099
C3 = 0.00015
H2O = 0.06031
CO2 = 0.92605

I WANT TO CALCULATE C1 CONCENTRATION IN 2 M AWAY FROM THE VENT
COULD U HELP ME
i need it as soon as possilble
thanks in advance for your cooperation

[Art Montemayor]

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[Andree]

I am not familiar with such computations, however I am quite sure that some information are missing to enable estimation of the value you search:
1. flowrate of vented gas
2. point of measurement with regards to direction of venting streamlines (it will not be homogeneous distribution 2m around discharge point, especially if velocity at outlet is high)
3. physico-chemical properties and hydrodynamic conditions of surrounding environment (as for example velocity of air will strongly influence the dispersion of sour gas)

If you knew all these, you can run a CFD simulation... It will for sure be very reliable approach to estimate what you are after. But I think there must be simpler models for calculation the pollution dispersion after its discharge point