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A functional full-scale heat exchanger coated with aluminum fumarate metal-organic framework for adsorption heat transformation

: Kummer, H.; Jeremias, F.; Warlo, A.; Füldner, G.; Fröhlich, D.; Janiak, C.; Gläser, R.; Henninger, S.K.


Industrial and Engineering Chemistry Research 56 (2017), No.29, pp.8393-8398
ISSN: 0888-5885
ISSN: 1520-5045
Journal Article
Fraunhofer ISE ()
Thermische Anlagen und Gebäudetechnik; heat transformation; Gebäudeenergietechnik; Wärme- und Kälteversorgung; Materialien und Komponenten für Wärmetransformation

Metal–organic frameworks represent a class of microporous adsorbents with high application potential for adsorption heat transformation. Here, we present a functional, full-scale heat exchanger coated with the microporous aluminum fumarate MOF Basolite A520 using a polysiloxane-based binding agent. The function of the heat exchanger was evaluated resulting in a gross cooling power of 2900 W (at the beginning of the adsorption cycle) or, respectively an average cooling power of 690 W (up to a limit of 90% equilibrium loading in 7 min) under the working conditions of a realistic adsorption chiller of 90 °C – 30 °C – 18 °C (temperature level of heat source, heat rejection/condenser, and evaporator).