Computational fluid dynamics for multistage adsorption dryer design

M. Djaeni, P.V. Bartels, J.P.M. Sanders, G. van Straten, A.J.B. van Boxtel

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12 Citations (Scopus)

Abstract

Two-dimensional computational fluid dynamics calculations for multistage zeolite drying are performed for two dryer configurations (1) a continuous moving bed zeolite dryer and (2) a discrete bed zeolite dryer. The calculations concern drying of tarragon (Artemisia dracunculus L.) as an herbal product. The results reveal the profiles of water, vapor, and temperature in dryer, adsorber, and regenerator in the flow directions. The thermal efficiency ranges between 80 and 90% and is close to overall model calculations. The performance of continuous moving bed zeolite dryer is the best. Residence time of air, product, and zeolite are in accordance to other drying systems
Original languageEnglish
Pages (from-to)487-502
JournalDrying Technology
Volume26
Issue number4
DOIs
Publication statusPublished - 2008

Keywords

  • cooling system
  • mass-transfer
  • combined heat
  • bed dryers
  • air
  • performance
  • adsorbent
  • water

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    Djaeni, M., Bartels, P. V., Sanders, J. P. M., van Straten, G., & van Boxtel, A. J. B. (2008). Computational fluid dynamics for multistage adsorption dryer design. Drying Technology, 26(4), 487-502. https://doi.org/10.1080/07373930801929532