Publication Details |
| Category | Text Publication |
| Reference Category | Journals |
| Title (Primary) | Migrating temperature "thermo-chromatographic" pulses (TCP) initiated by radio-frequency (RF) heating |
| Author | Kraus, M.; Kopinke, F.-D.; Roland, U. |
| Journal | Journal of Microwave Power and Electromagnetic Energy |
| Year | 2012 |
| Department | TUCHEM |
| Volume | 46 |
| Issue | 4 |
| Page From | 241 |
| Page To | 252 |
| Language | englisch |
| Keywords | Radio frequency; selective heating; thermo-chromatographic pulse; zeolite |
| Abstract | In the present study, the astonishing influence of water dosage on a purged dry packed bed of NaY zeolite in the presence of an electric field with a frequency of 13.56 MHz was investigated. The injection of a small amount of water to the inlet of the bed led to pronounced selective heating of the inlet zone by more than 150 K. Thus, water represented a very effective coupling medium for dielectric heating. The selectively heated zone then slowly moved through the whole packed bed and a water pulse finally left the zeolite. This effect correlated with a coupled water and heat flux was called thermo-chromatographic pulse (TCP) emphasizing its analogy to chromatography. The phenomenon could not be performed by using conventional (convective) or microwave heating. It was demonstrated under various conditions and explained by a new model based on own experimental results as well as data from literature. The model will be the objective of a forthcoming publication. |
| Persistent UFZ Identifier | https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=13200 |
| Kraus, M., Kopinke, F.-D., Roland, U. (2012): Migrating temperature "thermo-chromatographic" pulses (TCP) initiated by radio-frequency (RF) heating J. Microw. Power Electromagn. Energy 46 (4), 241 - 252 |
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