IECM 12.0 beta User Manual > Modules Included with the IECM > Integrated Gasification Combined Cycle (IGCC) Plant > SET PARAMETERS > CO2 Capture, Transport & Storage > 2. Ionic Liquid CO2 Capture >

Capture

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Capture parameters for the ionic liquid CO2 capture system are entered on the Capture parameter screen . The following parameters are shown:

•Absorber:

•Lean CO2 Loading: This is the solvent loading of CO2 in the system after the regenerator; although not technically a stoichiometry, it determines the amount of solvent needed to remove sufficient CO2.

•Sorbent Losses: This is the amount of sorbent lost in the absorber.

•Liquid-to-Gas Ratio: This is the liquid to gas ratio (L/G) of solvent circulating to syngas gas treated.

•Absorption Temp: This is the operating temperature of absorption by ionic liquid.

•Absorption Pressure: This is the operating pressure of absorption by ionic liquid.

•Regenerator:

•Regeneration Temp: This is the operating temperature of solvent regeneration.

•Regeneration Pressure: This is the operating pressure of solvent regeneration.

•Regen. Heat Requirement: This is the heat required for the regeneration of the loaded solvent in the stripper/regenerator section.

•Regeneration Steam Heat Content: Low pressure steam is extracted from the base plant to use for regenerator heat. This is the heat content of that steam.

•Heat-to Electricity Efficiency: This is the efficiency of converting low pressure steam to electricity. The value reflects the loss of electricity to the base plant when the LP steam is used for regenerator heat.