Aqueous production of spherical Zr-MOF beads: Via continuous-flow spray-drying

Ceren Avci-Camur, Javier Troyano, Javier Pérez-Carvajal, Alexandre Legrand, David Farrusseng, Inhar Imaz, Daniel Maspoch

    Research output: Contribution to journalArticleResearchpeer-review

    26 Citations (Scopus)

    Abstract

    © 2018 The Royal Society of Chemistry. 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.
    Original languageEnglish
    Pages (from-to)873-878
    JournalGreen Chemistry
    Volume20
    Issue number4
    DOIs
    Publication statusPublished - 1 Jan 2018

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