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A New Air Dehydration Process for Wood Dryers. Part I. Kinetic and Quality of Drying
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L. Chrusciel
Published/Copyright:
June 1, 2005
Summary
In conventional wood dryers, air is dehumidified by condensation or by its partial remove. A new air dehydration process is proposed for low temperature convective wood drying. This process consists in using an absorber working with an organic absorbent, the triethylene glycol (TEG) that is pulverised in a venturi type of device. The adaptation of this process well known for hydrocarbon gas dehydration and its interest for wood drying operations are discussed. The prototype installation is presented and the impact of the absorption on the evolution on drying cycles are investigated. The performances of the absorber are evaluated quantitatively and qualitatively. The average drying kinetic is quantified with a global mass transfer coefficient and the drying quality is characterised through the measurements of defects generated during drying.
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Published Online: 2005-06-01
Published in Print: 2000-02-29
Copyright © 2000 by Walter de Gruyter GmbH & Co. KG
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