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Drying kinetics and equilibrium moisture content of MDF fibres.

Emma Fritzell (Institutionen för kemi- och bioteknik) ; O. Melander ; Anders Rasmuson (Institutionen för kemi- och bioteknik, Kemisk apparatteknik)
Drying Technology (0737-3937). Vol. 27 (2009), 9, p. 993-998.
[Artikel, refereegranskad vetenskaplig]

An experimental device was constructed to study the drying kinetics of wood fibers under controlled conditions. The device consisted of a drying chamber in which a net basket filled with the fiber material was connected to a load cell. The drying medium was then forced through the basket at controlled levels of humidity and temperature. Experiments were performed with spruce fibers and the drying medium at varying temperature (50-170° C) and relative humidity (1-86%). In general, the drying rate increased with increasing temperature and decreasing relative humidity. A constant drying rate period was observed in all cases. The critical moisture content was approximately 1.25. The characteristic drying curve has a slight downward concave shape. The equilibrium moisture contents obtained at ambient temperature agree well with data in the literature. © 2009 Taylor & Francis Group, LLC.

Nyckelord: Drying kinetics; Equilibrium moisture content; MDF fibers



Denna post skapades 2009-12-17. Senast ändrad 2016-07-25.
CPL Pubid: 104008

 

Institutioner (Chalmers)

Institutionen för kemi- och bioteknik (2005-2014)
Institutionen för kemi- och bioteknik, Kemisk apparatteknik (2005-2014)

Ämnesområden

Kemiteknik

Chalmers infrastruktur