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. Author manuscript; available in PMC: 2024 Mar 15.
Published in final edited form as: Ind Eng Chem Res. 2023;62(21):10.1021/acs.iecr.2c04050. doi: 10.1021/acs.iecr.2c04050

Table 2:

Measured adsorbent capacities of CO2 on 13X zeolite over a range of temperatures (T) and total pressures (P). Pressure represents the mean of the inlet and outlet pressures with ΔP representing the pressure difference between the inlet and outlet of the sorbent column. qeDCB and qestatic are the molar capacities measured by the present apparatus and an independent static adsorption isotherm measurement, respectively, as discussed in the text. The partial pressure of CO2 is 1 % of the total pressure. The relative standard uncertainty for the measurements (ur) is 0.05.

T(K) P (hPa) (ΔP) (hPa) qeDCB (mol · kg−1) qestatic (mol · kg−1)
233.1 350.5 105.7 3.47
233.1 721.2 53.1 3.93
233.1 1060.0 34.3 4.18
273.1 359.42 131.64 1.58 1.55
273.1 731.1 68.9 2.04 1.95
273.1 1068.3 48.4 2.19 2.17
298.1 358.7 143.7 0.88 0.87
298.1 729.4 70.9 1.22 1.19
298.1 1077.9 56.2 1.36 1.37
323.1 375.4 171.4 0.41 0.42
323.1 743.6 89.1 0.62 0.65
323.1 1068.5 57.9 0.75 0.78