| Autor: | K. Abdallah, Ph. Grenier, L.M. Sun, Vincent Bourdin, A. Malka-Edery |
|---|---|
| Rok vydání: | 2001 |
| Předmět: |
Mass transfer coefficient
Chemistry General Chemical Engineering Diffusion Kinetics Thermodynamics Surfaces and Interfaces General Chemistry Kinetic energy Condensed Matter::Soft Condensed Matter Condensed Matter::Materials Science Adsorption Volume (thermodynamics) Mass transfer Heat transfer Physics::Chemical Physics |
| Zdroj: | Adsorption. 7:5-16 |
| ISSN: | 0929-5607 |
| DOI: | 10.1023/a:1011204415436 |
| Popis: | A volume step method measuring the pressure and the adsorbent temperature of an adsorbent-adsorbate system has been developped. It is shown that this method allows the determination of all the relevant parameters of an adsorption process, kinetic as well as thermodynamic in case of Linear Driving Force mass transfer. The method for determining the parameters can be extended to the case of diffusive mass transfer if the mass transfer kinetics is faster than the heat transfer kinetics. An example is given, showing the determination of the diffusion coefficient of carbon dioxide in NaX zeolite pellets and the change of the diffusion coefficient and of the isosteric heat of adsorption when the adsorbent is not fully dehydrated. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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