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| Content Provider | Springer Nature Link |
|---|---|
| Author | Bennaceur, S. Draoui, B. Touati, B. Benseddik, A. Saad, A. Bennamoun, L. |
| Copyright Year | 2015 |
| Abstract | Equilibrium moisture desorption and adsorption isotherms of Lawsonia inermis L. (commonly known as henna) leaves at temperatures of 30, 40 and 50°C with a water activity ranging from 0.057 to 0.898 were obtained by the gravimetric-static method. It was established that when the temperature of these leaves increases, their moisture content increases too with a hysteresis effect. The experimental data on the sorption of the indicated leaves were compared with the corresponding calculation data obtained with the use of the GAB, modified BET, Henderson–Thompson, modified Halsey, modified Oswin, and Peleg models. Evaluation of these models on the basis of statistical processing of the data obtained with them, including the calculus of the standard error and the correlation coefficient, has shown that the GAB and Peleg models represent sorption curves more adequately. The net isosteric heats of desorption and adsorption of henna leaves were determined by the sorption isotherms constructed using the Clausius–Clapeyron equation. An expression for predicting these thermodynamic properties of plants is proposed. |
| Starting Page | 52 |
| Ending Page | 62 |
| Page Count | 11 |
| File Format | |
| ISSN | 10620125 |
| Journal | Journal of Engineering Physics and Thermophysics |
| Volume Number | 88 |
| Issue Number | 1 |
| e-ISSN | 1573871X |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-03-05 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | henna leaves equilibrium moisture sorption isosteric heat of sorption sorption isotherms Engineering Thermodynamics, Heat and Mass Transfer Thermodynamics Industrial Chemistry/Chemical Engineering Statistical Physics, Dynamical Systems and Complexity Mechanics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Engineering Condensed Matter Physics |
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