Process Integration for Food Drying with Air Dehumidified by Zeolites

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

Research output: Contribution to journalArticleAcademicpeer-review

36 Citations (Scopus)


Zeolites have potential to increase efficiency of medium-temperature drying in the food industry. This work concerns the comparison between conventional dryers and dryers using air dehumidified by zeolite. Steady-state mass and energy balances have been used and the work concerns drying temperatures ranging from 52 to 70°C. Process integration based on pinch analysis has been applied and nine different heat exchanger networks for energy recovery are compared. Results indicated that dryers using air dehumidifier by zeolites are 10-18% more efficient than conventional dryers.
Original languageEnglish
Pages (from-to)225-239
JournalDrying Technology
Issue number1
Publication statusPublished - 2007


  • pinch analysis
  • plant
  • bed
  • performance
  • dryer

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