[Gasification] Steam Oxygen Coal Gasification Operating Pressure

A.Saravanakumar sara_mnes at rediffmail.com
Wed Jan 29 04:12:05 CST 2014


Dear All,

For steam
oxygen fixed bed coal gasification process,

1 kg coal + 0.8
kg oxygen + 0.3 kg steam = 2.1 kg of syngas / kg of coal

This syngas calorific
value is 3680 kcal/kg

Input Pressure
at 100 bar 

Approximate syngas
composition,

CO      =  60%

H2        =  28%

CH4     =    9%

CO2     =    2%

N2       =   
1%

Whether the gasifier
will be operating into high pressure 100 bar or low pressure (slightly above atmospheric
pressure) 0.05 bar?

If gasifier will
be operating in to lower pressure 0.05 bar the syngas composition will be vary
or not.

Please explain.A. Saravanakumar


 
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