Structured Zeolite Adsorbents for PSA Applications

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Structured Zeolite Adsorbents for PSA Applications ( structured-zeolite-adsorbents-psa-applications )

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List of figures. Figure 1. Top-view SEM images of an uncoated 400 cpsi cordierite monolith support at high (a) and low (b) magnification. Top-view SEM image of a seeded 400 cpsi cordierite monolith support (c). Figure 2. Top-view and cross-sectional SEM images of the NaX film samples G9 (a), C4 (b), and C5*1h20min (c). Figure 3. Low magnification SEM images of the NaX films samples G9 (a), sediment of sample G9 (b), and low magnification SEM image of C5*1h20min (c). Figure 4. XRD patterns for the NaX film samples G9, C4, and C5*1h20min. The cordierite, the NaX, and the zeolite P peaks are labeled by the symbols “o”, “*”, and , respectively. The symbol indicates unidentified reflections. Figure 5. Nitrogen adsorption-desorption isotherms of the NaX film samples and reference NaX crystals (sample DC) per g sample (a) and per gram zeolite (b). Figure 6. Cumulative BJH mesopore volume (cm3/g zeolite) for the film samples and reference powder as a function of pore diameter (nm). Figure 7. Mercury intrusion pore volume distributions for the uncoated 400 cpsi cordierite monolith and the NaX film samples G9, C4, and C5*1h20min. Figure 8. CO2 breakthrough profiles determined at 0.2 l/min (a) and 1 l/min (b) for the NaX film samples C4, C5*1h20min, and G9. Figure 9. Schematic representation of the samples C5*1h20min and G9. Film thickness ( l ) _ and average sediments radius ( r ) is given for sample C5*1h20min or G9. Figure 10. Experimental (dotted lines) and approximated breakthrough curves of carbon dioxide of samples C5*1h20min (a) and G9 (b) at 0.2, 0.5 and 1 l/min and 10% CO2 in N2. 85

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