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Issue 4, 2018
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Aqueous production of spherical Zr-MOF beads via continuous-flow spray-drying

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Abstract

Porous metal–organic frameworks (MOFs) are attracting great attention from industry, thanks to their myriad potential applications in areas such as catalysis and gas storage. Zr-MOFs (also known as UiO-type MOFs) are especially promising, owing to their large surface areas, high chemical versatility and remarkable hydrothermal, chemical and thermal stabilities. However, among the challenges currently precluding the industrial exploitation of MOFs is the lack of green methods for their synthesis. Herein we describe a continuous-flow spray-drying method for the simultaneous synthesis and shaping of spherical MOF microbeads in a mixture of water and acetic acid. We used this approach to build two archetypical Zr-MOFs: UiO-66-NH2 and Zr-fumarate. By tuning the concentration of acetic acid in water, we were able to produce, by a scalable process, UiO-66-NH2 and Zr-fumarate beads with SBET and water-sorption values comparable to the literature values obtained with other methods.

Graphical abstract: Aqueous production of spherical Zr-MOF beads via continuous-flow spray-drying

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Publication details

The article was received on 18 Oct 2017, accepted on 10 Jan 2018 and first published on 11 Jan 2018


Article type: Paper
DOI: 10.1039/C7GC03132G
Citation: Green Chem., 2018,20, 873-878
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    Aqueous production of spherical Zr-MOF beads via continuous-flow spray-drying

    C. Avci-Camur, J. Troyano, J. Pérez-Carvajal, A. Legrand, D. Farrusseng, I. Imaz and D. Maspoch, Green Chem., 2018, 20, 873
    DOI: 10.1039/C7GC03132G

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