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Issue 20, 2019
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Improvements to the production of ZIF-94; a case study in MOF scale-up

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Abstract

The ability to produce large scale quantities of MOF materials is essential for the commercialisation of these frameworks to continue. Herein we report how the production of ZIF-94 can be improved from a ∼1 g laboratory preparation to a scalable procedure allowing for large scale production of the desired framework. The synthesis of ZIF-94 was completed at room temperature, atmospheric pressure and without the use of DMF as a solvent. This method offers improvements over the current literature synthesis routes and affords a product at 18 wt% solids. To demonstrate the robustness of the derived methodology a 60 g, large scale, batch of this framework was produced which possessed a surface area of 468 m2 g−1. This large scale sample has superior CO2 uptake of 3.3 mmol g−1 at 1 bar, an improvement of 30% over literature reports.

Graphical abstract: Improvements to the production of ZIF-94; a case study in MOF scale-up

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Publication details

The article was received on 05 Mar 2019, accepted on 15 Jul 2019 and first published on 01 Oct 2019


Article type: Paper
DOI: 10.1039/C9GC00783K
Green Chem., 2019,21, 5665-5670
  • Open access: Creative Commons BY license
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    Improvements to the production of ZIF-94; a case study in MOF scale-up

    T. Johnson, M. M. Łozińska, A. F. Orsi, P. A. Wright, S. Hindocha and S. Poulston, Green Chem., 2019, 21, 5665
    DOI: 10.1039/C9GC00783K

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