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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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Supplementary files

Article information


Submitted
18 Oct 2017
Accepted
10 Jan 2018
First published
11 Jan 2018

Green Chem., 2018,20, 873-878
Article type
Paper

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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