IECM 12.0 beta User Manual > Modules Included with the IECM > Integrated Gasification Combined Cycle (IGCC) Plant > SET PARAMETERS > Fuel >

Fuel Properties

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The parameters on the Fuel Properties parameter screen allow you to choose a coal, and for custom coals, edit the ultimate analysis and cost.

The first parameter on this screen is a menu that allows you to choose the coal. The options are:

•Appl. Low Sulfur

•Appl. Med. Sulfur (this is the default)

•Illinois 6

•ND Lignite

•WPC Utah

•Wyoming PRB

•Custom

All of the options except Custom have a fixed set of properties that cannot be edited. See Fuel Properties for a description of coal properties. Note that while the default cost is read-only, you can change the actual cost used on the Cost parameter screen.

If you want to specify your own coal and/or import an arbitrary coal from a database, you may choose the Custom coal. This enables the database button and gives you full access to the properties. See the Fuel Properties parameter screen in the PC plant for a description of how to use the screen in this mode.

Warning:

If you choose Custom as the coal, you will be required to specify the syngas composition. See the GE Syngas Out parameter screen or the Shell Syngas Out parameter screen for more information.

Warning:

Uncertainty on this screen should only be used for Batch Processing. Varying the components independently does not make sense - if one percentage is higher, another percentage will need to be lower to keep the total at 100%.