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The primary reason for drying of wood is to bring down its moisture content to a level as will later be used in service condition to minimize the dimensional changes (or movement) in the final product. This is done in an enclosure called seasoning kiln in controlled way to avoid defects like warping, splitting, cupping etc. Drying of wood improves properties including mechanical properties, dimensional stability and also enhances service life of wood against biodegradation.

Our current research is focused on studying drying behavior of plantation timbers of India using dehumidification dryer and microwave dryer.

The efficiency and drying behavior of six plantation timbers (E. teriticornis, G. robusta, H. brasiliensis, A. auriculaeformis, T. grandis and C. equistifolia was studied using a desiccant based dehumidification wood dryer. Energy requirement in reducing moisture by one percent below FSP was nearly two to three folds as compared to above FSP in all the species.

Drying of B. Bamboos in dehumidifier kiln

Drying behavior of some of the wood and bamboo species is being studied using a microwave dryer. Effect of initial moisture content, microwave intensity and exposure duration on drying rate and drying quality is being investigated.



The microwave wood dryer system

 

 
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  Last Updated on 03-08-2015