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Enthalpy‐entropy compensation during sorption of water in wood
Author(s) -
Rawat S. P.,
Khali D. P.
Publication year - 1996
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19960502)60:5<787::aid-app18>3.0.co;2-w
Subject(s) - sorption , enthalpy , thermodynamics , compensation (psychology) , materials science , environmental science , chemical engineering , chemistry , process engineering , organic chemistry , engineering , physics , adsorption , psychology , psychoanalysis
Changes in free energy, enthalpy, and entropy were determined for sorption (desorption and adsorption) of water in wood. Findings were that changes are different for desorption and adsorption, have a strong dependence on moisture content, and have a weak dependence on temperature. Suggestive explanations are given for variation of energy changes during sorption with moisture content and temperature, and the differences in their values for desorption and adsorption are discussed. Studies on enthalpy‐entropy compensation effect were made and a linear relationship is found to exist between enthalpy and entropy for both desorption and adsorption of water in wood. © 1996 John Wiley & Sons, Inc.