Journal
ENERGY
Volume 76, Issue -, Pages 419-427Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2014.08.033
Keywords
Adsorption; ANG; GCMC; Isosteric heat of adsorption; MOF
Categories
Funding
- National Research Foundation, Singapore [NRF-CRP8-2011-3]
- MOE [M4010490]
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We have measured the methane uptakes on HKUST (Copper benzene-1,3,5-tricarboxylate, Cu-BTC MOF)-1 MOF (metal organic framework) for the temperatures ranging from 120 K to 300 K and pressures up to 10 bar. The experimentally measured HKUST-1 + CH4 isotherms data are compared with uptakes of various adsorbents and methane systems. We have also simulated the methane uptakes and its density distribution on HKUST-1 employing GCMC (grand canonical Monte-carlo) simulation and compare with experimental data. In this article, we also present an extensive study on characterization and property evaluation of HKUST-1 MOF for CH4 adsorption characteristics employing XRD (X-ray diffraction), SEM (scanning electron microscope) and TGA (thermo gravimetric analysis). Employing GCMC and the thermodynamic property fields of HKUST-1 + CH4 system, the isosteric heat of adsorption (Q(st)) is calculated and Q(st) is presented in a T-s (temperature-entropy) diagram. (C) 2014 Elsevier Ltd. All rights reserved.
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