Development of a Pressure Swing Adsorption (PSA) Cycle for CO2 Capture

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Development of a Pressure Swing Adsorption (PSA) Cycle for CO2 Capture ( development-pressure-swing-adsorption-psa-cycle-co2-capture )

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Table 3.3 Bed properties and operating conditions Properties Bed Characteristics Length (m) Internal Radius (m) Bed porosity Bulk density (kg/m3) External Heat transfer Coefficient (kW/m2/K Wall Material Thickness (mm) Heat capacity (kJ/kg/K) Density (kg/m3) Wall Temperature, TW (°C) Adsorbent Material Average mass per bed (kg) Pellet density (kg/m3) Pellet porosity Pellet heat capacity (kJ/kg/K) Operation Feed flow (SLPM) CO2 concentration (Balance N2, %) Feed and external temperature (oC) Light reflux ratio* High pressure, PH (kPa) Low pressure, PL (kPa) Temperature, (°C) Cycle time (s) Feed step (s) Counter current depressurization (CND) step (s) Light reflux step (LR) (s) Light product pressurization (LPP) step (s) Heavy Reflux (HR) step (s) Equalization (Eq) step (s) Gasses CO2 Isotherm Mass transfer Coefficients, kM1 (1/s) Nitrogen Isotherm Mass transfer Coefficient, kM1 (1/s) Values 0.50165 0.0254 0.425 632.8 0.0024 SS 316 4.0 0.468 8.24 25, 70, 100 Zeolite 13X 0.6396 1100.0 0.54 1.1 See table 3.2 13.0 10.0, 15.9 25.0 0.02-0.05 121.0 5.0, 7.0, 10.0 25, 70, 100 720 240 100 120 100 120 20 See Table 3.1 47.21 See Table 3.1 70.34 * Volume fraction of the product flow leaving the feed step used in LR step 19

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