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Gasification Archive for November 2001
156 messages, last added Tue Nov 26 17:18:07 2002

[Date Index][Thread Index]

Hydrogen PS



PS:
 
I forgot to mention that when hydrogen burns there is a NET decrease in volume. 
 
When most fuels burn, they produce the same volume of combustion products as the combustible gases. 
 
CH4 + 2 O2 ==> CO2 + 2 H2O  (3 ==> 3)
 
For H2,
 
2H2 + O2 ==> 2H2O (3==>2)
 
So the expansion due to the heat effect is lowered by 33%.
 
TOM REED  BEF
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