CPO-27(Ni), aluminium fumarate and MIL-101(Cr) MOF materials for adsorption water desalination

Eman Elsayed, Raya AL-Dadah, Saad Mahmoud, Paul A. Anderson, Ahmed Hussin, Peter G. Youssef

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Abstract

Adsorption desalination is a promising technology that has recently been investigated. Most of the reported adsorption desalination systems use silica gel as the adsorbent and despite the high stability, it suffers from limited water uptake capabilities leading to a low system performance. Metal-organic frameworks (MOFs) are porous materials with high surface area, pore size, tunable pore geometry and hence providing high adsorption capacity. Currently, limited MOF materials with high water adsorption capabilities and hydrothermal stability are commercially available. CPO-27(Ni) and aluminium fumarate are two commercially available MOFs that have a maximum water uptake of 0.47 gH2O·gads− 1 and 0.53 gH2O·gad− 1, respectively. Another MOF, MIL-101(Cr), exhibits superior water adsorption uptake of 1.47 gH2O·gad− 1 but currently can only be produced in lab-scale.The thermodynamic cycle performance of a two beds adsorption system was evaluated using Simulink software to assess the suitability of those MOFs for adsorption desalination and their performance under different operating conditions. The CPO-27(Ni) was found to produce around 4.3 m3·(ton·day)− 1 at an evaporation temperature of 5 °C while aluminium fumarate produced around 6 m3·(ton·day)− 1 at an evaporation temperature of 20 °C. As for MIL-101(Cr), the water production rate at 20 °C was 11 m3·(ton·day)− 1 highlighting the potential of this material compared to other adsorbents.

Publisher Statement: NOTICE: this is the author’s version of a work that was accepted for publication in Desalination. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Desalination, [406, (2016)] DOI: 10.1016/j.desal.2016.07.030

© 2016, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Original languageEnglish
Pages (from-to)25-36
Number of pages12
JournalDesalination
Volume406
Early online date13 Aug 2016
DOIs
Publication statusPublished - 16 Mar 2017

Bibliographical note

NOTICE: this is the author’s version of a work that was accepted for publication in Desalination. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Desalination, [406, (2016)] DOI: 10.1016/j.desal.2016.07.030

© 2016, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • Metal-organic framework
  • XRD
  • Water vapour adsorption
  • Adsorption desalination

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    Elsayed, E., AL-Dadah, R., Mahmoud, S., Anderson, P. A., Hussin, A., & Youssef, P. G. (2017). CPO-27(Ni), aluminium fumarate and MIL-101(Cr) MOF materials for adsorption water desalination. Desalination, 406, 25-36. https://doi.org/10.1016/j.desal.2016.07.030