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[MusaP1]

I mean to compare environmental impacts from using rubber wood chips,palm shell and wood pellets as the fuel for industrial boiler by Simapro program.

This program need to know the composition and quantity of emission to air like CO2,NO,CH4 in kg

but the information i have right now is C H N O composition of flue gas

 

For example, for palm shell

 

  Composition (kg) Carbon 721.1342937 Hydrogen 84.3885818 Nitrogen 151.920171 Oxygen 480.5569535

 

how can i use this data to find the composition (compound) and quantity of the flue gas?

i think i need to know the combustion equation

 

in my case,it is biomass so will it generate CH4 or NOx?

 

really thanks for helping and please tell if you want more information : )

[TS1979]

You can assume all the material to be completely combusted. In such case, if you know carbon, you can know how much CO2 to be produced

 

C+O2 =CO2

 

If you know hydrogen content, you can calculate how much water to be produced

 

H + O2 = H2O

 

Nitrogen is normally treated as inert gas and will not change in the combustion process.

The content of oxygen will be consumed for combustion.

 

The rest oxygen required for burn the wood materials will be taken from air (O2, N2).

 

Based on excess air (oxygen) requirement for the combustion, you can get your flue gas composition.