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Abstract |
Kinetics measurement for adsorption of CO_2 on a highly porous commercially available activated carbon Maxsorb III is carried out in a thermogravimetric analyzer. The temperature selected for the stud...y is 50 ºC. Two different heights of the loosely packed Maxsorb III sample are employed in the experiment: a) 0.9 mm and b) 25 mm. It is observed that the adsorption kinetics is strongly dependent on the height of the adsorbent used in the experiment. The lower sample height results in faster adsorption rate. The data obtained at two different pressure steps give identical result. This finding is significant in the design of an adsorption heat exchanger, as kinetics result obtained in the experiment may be quite different from that observed in a practical heat exchanger of an adsorption refrigeration system.show more
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