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150 120 90 60 30 0 0 120 240 360 480 600 Time [sec] 720 320 400 480 560 640 Time [sec] Bed-P (Exp) Bed-P (Model) Bed-P (Exp) Bed-P (Model) Figure 4.5 Pressure history of Bed-1 during one entire cycle for E1, plotted against the pressure history as predicted by simulation (M-1). In Figure 4.6, the experimental temperature profiles at periodic state for seven different thermocouples in the bed-1 was plotted against the DAPS predicted temperature profiles for the run E-1. The open circles represent the experimental data whereas the solid lines represent the model predictions. The experimental and model prediction of seven thermocouples (T-1 to T-7) were plotted separately in Figure 4.6(a) – (g) in order for better comparison. In Figure 4.6(h) the model prediction of all the thermocouples (T-1 to T-7) are plotted together. The relative locations of the thermocouples along the bed-1 are T-1: 12.68%, T-2: 24.02%, T-3: 35.73%, T-4: 47.26%, T-5: 58.78%, T-6: 70.31%, and T-7: 81.83%. Because of a higher heat of adsorption of CO2 there is a temperature rise during adsorption and the temperature rise indicates the location of the concentration front in the bed. The first peak in the Figure 4.6(a) – (g) is due to the feed gas. The second peak in Figure 4.6(a) - (d) is due to the heavy reflux gas. The temperature rise during the heavy reflux is more than that happens during feed because CO2 concentration is higher in the 30 Pressure [kPa]PDF Image | Development of a Pressure Swing Adsorption (PSA) Cycle for CO2 Capture
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
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