IECM 12.0 beta User Manual > Modules Included with the IECM > Pulverized Coal (PC) Plant > SET PARAMETERS > CO2 Capture, Transport & Storage > 1. Solid Sorbents TSA >

Capture - Regenerator

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Capture parameters for the regenerator in the solid sorbents TSA system are entered on the Capture - Regenerator parameter screen. The following parameters are shown:

•Reactor Type: Moving Bed is currently the only option.

•Regenerator Operating Temperature: This is the operating temperature of the regenerator.

•Regenerator Equilibrium CO2 Pressure: This is the CO2 partial pressure in the product stream.

•Lean Sorbent Loading: This is the sorbent loading of CO2 after the regenerator. It determines the amount of sorbent needed to remove sufficient CO2.

•Approach to Equilibrium: This is the ratio of lean sorbent loading to lean sorbent loading at equilibrium expressed as a percentage.

•Water Vapor Regenerated: This is the percentage of captured water vapor that is regenerated.

•Regenerator Heat Transfer Coefficient: This is the heat transfer coefficient of the regenerator.

•Regenerator Heat Requirement: This is the heat required for regeneration of the loaded sorbent.

•Regenerator Steam Heat Content: Low pressure steam is extracted from the base plant at approximately 400C/0.4 MPa 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.

•Hot Side Heat Exchanger Heat Transfer Coeff.: This is the hot-side heat transfer coefficient of the hot-side heat exchanger.

•Hot Side Heat Exchanger Exit Temp.*: This is the outlet temperature of the hot-side heat exchanger. The following related values are shown for reference:

•*Min: Adsorber Operating Temp.: This is the minimum outlet temperature.

•*Max: Regenerator Operating Temp.: This is the maximum outlet temperature.

•*Actual Hot Side Heat Exch Exit Temp.: This is the actual outlet temperature of the hot-side heat exchanger. If the value specified above is out of range, it will be adjusted appropriately. This is the value that will be used.

•Solids Conveyor Systems Energy Use: This is the energy used for the conveyor belts that move solids through the system.

•Capture System Cooling Duty: This is the amount of cooling water needed, normalized by CO2 product.