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Elasticity of adsorbent beds

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Abstract

The practical application of adsorbents with the desired separation properties depends not only upon the adsorption characteristics of the material but also upon the mechanical properties of the packed bed. The packed bed, the vessel surrounding the bed and any internal structure that supports the bed are subjected to both static and cyclic loads during an adsorption process. In order to properly design the vessel and its internal structure, the bulk mechanical properties (most particularly the elastic properties) of the adsorbent bed must be known. The primary focus of this study was to determine the elastic properties of adsorbent beds packed with activated alumina, synthetic molecular sieve 13X or natural zeolite clinoptilolite. The bulk modulus of elasticity was found to be a linear function of applied stress for each of these materials in a range of stresses lower than the bulk crush strength. The Poisson’s ratio for the packed bed was also deduced from these results.

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Authors and Affiliations

  1. Praxair, Inc, 175 East Park Drive, Tonawanda, NY, 14151, USA

    Mark W. Ackley, Cem E. Celik & Kang Xu

  2. Cargill Inc, 9320 Excelsior Blvd. 164-6-9320, Hopkins, MN, 55343, USA

    Salil U. Rege

Authors
  1. Mark W. Ackley
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  2. Cem E. Celik
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  3. Kang Xu
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  4. Salil U. Rege
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Correspondence to Mark W. Ackley or Cem E. Celik.

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Ackley, M.W., Celik, C.E., Xu, K. et al. Elasticity of adsorbent beds. Adsorption 20, 77–89 (2014). https://doi.org/10.1007/s10450-013-9551-2

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  • DOI: https://doi.org/10.1007/s10450-013-9551-2

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