Journal
DRYING TECHNOLOGY
Volume 25, Issue 1-3, Pages 225-239Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/07373930601161096
Keywords
adsorption; energy efficiency; process integration; zeolite drying
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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 degrees 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.
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