IECM 14.0 beta User Manual > Modules Included with the IECM > Low-Carbon Hydrogen Production & Transport > SET PARAMETERS > Hydrogen Purification > Pressure Swing Adsorption >

Performance

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Inputs for the performance of the PSA hydrogen purification system in hydrogen production plants are entered on the Performance parameter screen. The following parameters are available:

•PSA Inlet Temperature: Temperature of the Stream (MDEA absorber outlet) entering the PSA unit.

•PSA Inlet Pressure: Pressure of the Stream (MDEA absorber outlet) entering the PSA unit.

•H2 Purity: The purity is calculated based on the ratio of moles flow rate of hydrogen in the product stream to the total gas composition moles flow rate.

•H2 Recovery Rate: Hydrogen recovery represents the proportion of hydrogen that is extracted from the feed and delivered in the product stream.

•H2 Product Pressure: The pressure of hydrogen product from PSA.

•Tailgas Pressure: The pressure of tail gas from PSA.

•H2 Compressor Isentropic Efficiency: This parameter compares the actual work done by the compressor on the product H2 gas to the ideal, frictionless work required to achieve the same outlet pressure.

•H2 Compressor Mechanical Efficiency: This parameter accounts for physical friction losses, such as losses in mechanical seals, compressor bearing, and gears.