Institute of Multiphase Flows
Institute of Multiphase Flows
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Publications
| [156164] |
| Title: Regeneration methods for caffeine-loaded CO2. |
| Written by: Birtigh, A., Liu, K., Johannsen, M., Brunner, G. |
| in: <em>Separation Science and Technology</em>. (1995). |
| Volume: <strong>30 (17)</strong>. Number: |
| on pages: 3265-3286 |
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| Publisher: Taylor Francis Online: |
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| Institution: Institute of Thermal Separation Processes, Hamburg University of Technology, Eißendorfer Straße 38, 21073 Hamburg, Germany |
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| DOI: 10.1080/01496399508013144 |
| URL: https://www.tandfonline.com/doi/abs/10.1080/01496399508013144 |
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Note:
Abstract: Supercritical gas extraction for the decaffeination of green coffee beans has become an established method in the last decade. However, because of the commercial aspects in this field, few research results on applications have been published. In this publication, three different methods for the regeneration of caffeineloaded CO2 are presented: depressurization, adsorption with activated carbon, and absorption with water. For all these methods, phase equilibrium experiments with pure caffeine were done. Furthermore, pilot-plant experiments were performed to decaffeinate green coffee beans.
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