The sorption of water vapour by chemically modified softwood: analysis using various sorption models |
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| Authors: | Antonios N Papadopoulos Stavros Avramidis Diego Elustondo |
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| Institution: | (1) Department of Wood and Furniture Technology-Design, Technological Educational Institute of Karditsa, 43100 Karditsa, Greece;(2) Department of Wood Science, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada |
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| Abstract: | The sorption data for Corsican pine wood chemically modified with a homologous series of linear chain carboxylic acid anhydrides was analysed using various models, namely, BET, Dent, Le and Ly, Hailwood and Horrobin, Nelson, and Henderson. Hailwood and Horrobin resulted in the more appropriate model to represent the equilibrium data of chemically modified wood. In the present study, the parameter representing the molecular weight of the dry cell wall in the Hailwood and Horrobin isotherm was perfectly correlated with the weight percentage gain of anhydride. A linear relation was proposed between these two parameters in order to fit all experimental isotherms (the results showed an r2=0.993). |
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