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Pressure-Swing Adsorption Using Layered Adsorbent Beds with Different Adsorption Properties: II—Experimental Investigation

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Abstract

An experimental study was conducted on a layered-bed pressure-vacuum-swing adsorption, PVSA, process with adsorbents that differ in their adsorption properties. An oxygen, O2, PVSA process was employed as an example for investigating how the process performance is affected by bed-layering configuration under different operating conditions for specific purge, product purity, and cycle feature. For two adsorbents with similar nitrogen-to-oxygen, N2/O2, selectivity but different N2 and O2 capacities, placing the high-capacity adsorbent at the product end and the low-capacity adsorbent at the feed end of the adsorption bed results in a better performance than in the case of reversing the layer positions of those adsorbents. The benefit of placing the adsorbent with higher capacity at the product end becomes more significant at high O2 product-purity levels. The experimental data obtained in this investigation agree well with simulation results reported earlier.

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Authors and Affiliations

  1. BOC Process Gas Solutions Technology, 100 Mountain Avenue, Murray Hill, NJ, 07974, USA

    Yaping Lü & Martin Bülow

  2. Gas Technology Institute, 1700 South Mount Prospect Road, Des Plaines, IL, 60018, USA

    Shain-Jer Doong

  3. BOC Process Gas Solutions Technology, 100 Mountain Avenue, Murray Hill, NJ, 07974, USA

    Martin Bülow

Authors
  1. Yaping Lü
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  2. Shain-Jer Doong
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  3. Martin Bülow
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Correspondence to Martin Bülow.

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Lü, Y., Doong, SJ. & Bülow, M. Pressure-Swing Adsorption Using Layered Adsorbent Beds with Different Adsorption Properties: II—Experimental Investigation. Adsorption 10, 267–275 (2005). https://doi.org/10.1007/s10450-005-4812-3

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  • DOI: https://doi.org/10.1007/s10450-005-4812-3

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