TY - JOUR
T1 - Characterisation of metal organic frameworks for adsorption cooling
AU - Rezk, Ahmed
AU - Al-Dadah, Raya
AU - Mahmoud, Saad
AU - Elsayed, Ahmed
N1 - © 2012 Elsevier Ltd. Open access under CC BY licence
PY - 2012/12/1
Y1 - 2012/12/1
N2 - Silica gel/water adsorption cooling systems suffer from size, performance and cost limitations. Therefore, there is a need for new adsorbent materials that outperform silica gel. Metal organic frameworks (MOFs) are new micro-porous materials that have extraordinary porosity and uniform structure. Due to the lack of published data that characterise MOF/water adsorption, this paper experimentally investigates the adsorption characteristics of HKUST-1 (Cu-BTC (copper benzene-1,3,5-tricarboxylate), C 18H 6Cu 3O 12) and MIL-100 (Fe-BTC (Iron 1,3,5- benzenetricarboxylate), C 9H 3FeO 6) MOFs compared to silica gel RD-2060. The adsorption characteristics of Silica gel RD-2060, HKUST-1 and MIL-100 were determined using an advanced gravimetric dynamic vapour sorption analyser (DVS). Results showed that HKUST-1 performed better than silica gel RD-2060 with an increase of water uptake of 93.2%, which could lead to a considerable increase in refrigerant flow rate, cooling capacity and/or reducing the size of the adsorption system. However, MIL-100 MOF showed reduced water uptake comparable to silica gel RD-2060 for water chilling applications with evaporation at 5 0C. These results highlight the potential of using MOF materials to improve the efficiency of water adsorption cooling systems.
AB - Silica gel/water adsorption cooling systems suffer from size, performance and cost limitations. Therefore, there is a need for new adsorbent materials that outperform silica gel. Metal organic frameworks (MOFs) are new micro-porous materials that have extraordinary porosity and uniform structure. Due to the lack of published data that characterise MOF/water adsorption, this paper experimentally investigates the adsorption characteristics of HKUST-1 (Cu-BTC (copper benzene-1,3,5-tricarboxylate), C 18H 6Cu 3O 12) and MIL-100 (Fe-BTC (Iron 1,3,5- benzenetricarboxylate), C 9H 3FeO 6) MOFs compared to silica gel RD-2060. The adsorption characteristics of Silica gel RD-2060, HKUST-1 and MIL-100 were determined using an advanced gravimetric dynamic vapour sorption analyser (DVS). Results showed that HKUST-1 performed better than silica gel RD-2060 with an increase of water uptake of 93.2%, which could lead to a considerable increase in refrigerant flow rate, cooling capacity and/or reducing the size of the adsorption system. However, MIL-100 MOF showed reduced water uptake comparable to silica gel RD-2060 for water chilling applications with evaporation at 5 0C. These results highlight the potential of using MOF materials to improve the efficiency of water adsorption cooling systems.
KW - Adsorption cooling
KW - HKUST-1
KW - Metal organic frameworks
KW - MIL-100
KW - Silica gel RD-2060/water
UR - http://www.scopus.com/inward/record.url?scp=84867538670&partnerID=8YFLogxK
UR - https://www.sciencedirect.com/science/article/pii/S0017931012006047?via%3Dihub
U2 - 10.1016/j.ijheatmasstransfer.2012.07.068
DO - 10.1016/j.ijheatmasstransfer.2012.07.068
M3 - Article
AN - SCOPUS:84867538670
SN - 0017-9310
VL - 55
SP - 7366
EP - 7374
JO - International Journal of Heat and Mass Transfer
JF - International Journal of Heat and Mass Transfer
IS - 25-26
ER -