Summary

 

The Summary screen uses a two table format to display a summary of information about the membrane system.

The table on the left displays a summary of information that is key to the model calculations. This information is also available elsewhere in the model. The following important performance and cost factors are shown:

•Net Electrical Output: This is the net plant capacity, which is the gross plant capacity minus the losses due to plant equipment and pollution equipment (energy penalties).

•Annual Operating Hours: This is the number of hours per year that the plant is in operation. If a plant runs 24 hours per day, seven days per week, with no outages, the calculation is 24 hours / 365 days , or 8760 hours/year.

•Annual CO2 Removed: This is the amount of CO2 removed from the flue gas by the CO2 capture system per year.

•Annual SO2 Removed: This is the amount of SO2 removed from the flue gas by the CO2 capture system per year.

•Annual SO3 Removed: This is the amount of SO3 removed from the flue gas by the CO2 capture system per year.

•Annual NO2 Removed: This is the amount of NO2 removed from the flue gas by the CO2 capture system per year.

•Annual HCl Removed: (Only shown for 2-Stage Cascade) This is the amount of HCl removed from the flue gas by the CO2 capture system per year.

•Feed Compressors Use: (Only shown for 2-Stage Cascade ) This is the energy required to compress the flue gas feed.

•Expander Power Recovery: (Only shown for 2-Stage Cascade ) This is the energy recovered by the expander.

•Vacuum Pump Power Use: This is the energy used by the permeate-side vacuum pumps.

•CO2 Compression Power Use: (Not shown for 2-Step w/ Air Sweep ) This is the electrical power required to compress the CO2 product stream to the designated pressure. Compression of CO2 to high pressures takes lot of power and is a principal contributor to the overall energy penalty of a CO2 capture unit in a power plant.

•CO2 Purification Use: (Only shown for 2-Step w/ Air Sweep ) This is the energy required by the CPU.

•Total Membrane Area: This is the total membrane surface area.

•Makeup Water for Aux. Cooling: (Only shown when an Air Cooled Condenser is configured.) This is the makeup water for the auxiliary cooling system needed when an Air Cooled Condenser is used as the plant cooling system.

The table on the right is a standard Cost of CO2 Avoided & Captured table.

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