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European Journal of Wood and Wood Products

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08.02.2017 | Original

Comparison of the saturated salt and dynamic vapor sorption methods in obtaining the sorption properties of Pinus pinea L.

verfasst von: Cristina Simón, Francisco García Fernández, Luis García Esteban, Paloma de Palacios, Reza Hosseinpourpia, Carsten Mai

Erschienen in: European Journal of Wood and Wood Products | Ausgabe 6/2017

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Abstract

Several methods are available for obtaining the sorption isotherms of wood. Among these, the saturated salt and dynamic vapor sorption methods are the most frequently used ones. For the first time, the hygroscopic response of wood obtained using these two methods is compared. This is done by determining the 35 and 50 °C adsorption isotherms of juvenile and mature wood of Pinus pinea L. The hygroscopic behavior of the two types of wood is different, as the mature wood has a higher moisture content than the juvenile wood in the isotherms studied. Comparison of the static saturated salt method and dynamic vapor sorption shows few significant differences between the equilibrium moisture content obtained by each method during the adsorption process, both in a point by point comparison and in the comparison of quadratic polynomial forms of the Guggenheim Anderson-de Boer model. Moreover, in both methods the point of relative humidity from which multilayer sorption predominates over monolayer sorption is similar.

Vorheriger Artikel Evaluating vacuum and steam process on hardwood veneer logs for export

Nächster Artikel Moisture-dependent orthotropic elasticity and strength properties of Chinese fir wood

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Titel: Comparison of the saturated salt and dynamic vapor sorption methods in obtaining the sorption properties of Pinus pinea L.
verfasst von: Cristina Simón
Francisco García Fernández
Luis García Esteban
Paloma de Palacios
Reza Hosseinpourpia
Carsten Mai
Publikationsdatum: 08.02.2017
Verlag: Springer Berlin Heidelberg
Erschienen in: European Journal of Wood and Wood Products / Ausgabe 6/2017
Print ISSN: 0018-3768
Elektronische ISSN: 1436-736X
DOI: https://doi.org/10.1007/s00107-016-1155-6

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