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An Optimised Compaction Process for Zr-Fumarate (MOF-801)

Energy Safety Research Institute, Swansea University, Fabian Way, Swansea SA1 8EN, UK
Author to whom correspondence should be addressed.
Inorganics 2019, 7(9), 110;
Received: 29 July 2019 / Revised: 30 August 2019 / Accepted: 31 August 2019 / Published: 5 September 2019
(This article belongs to the Special Issue Functional Coordination Polymers and Metal–Organic Frameworks)
We reported a systematic approach aimed at identifying the optimal conditions for compaction of MOF-801, a small-pore zirconium-based metal–organic framework (MOF) containing fumaric acid as the linker, that can be easily synthesised in aqueous medium. Pellets of the MOF were prepared by compressing the powder either in neat form or dry-mixed with binders (sucrose, polyvinylalcohol, polyvinylbutyral) under a range of pressures and for different times. The mechanical stability and durability of the pellets was tested by simple drop tests and shake tests, finding that addition of 5% of polyvinylbutyral was enough to produce highly resilient pellets that did not release significant amounts of powder upon cracking. The crystallinity, textural properties and CO2 adsorption performance of the MOF were successively assessed, observing the least change of the original properties in pellets compressed at 146 MPa for 15 s. Compaction at higher pressures impacted the performance more heavily, with no evident benefit from the mechanical point of view, whereas compression time did not have a relevant effect. The cyclic adsorption behaviour was tested, showing that the pellets retained as much as 90% of the CO2 working capacity, while displaying unaffected sorption kinetics, and 74% of the H2O working capacity. View Full-Text
Keywords: metal–organic frameworks; solid sorbents; shaping; gas separation; gas storage; water harvesting; zirconium metal–organic frameworks; solid sorbents; shaping; gas separation; gas storage; water harvesting; zirconium
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MDPI and ACS Style

Taddei, M.; McPherson, M.J.; Gougsa, A.; Lam, J.; Sewell, J.; Andreoli, E. An Optimised Compaction Process for Zr-Fumarate (MOF-801). Inorganics 2019, 7, 110.

AMA Style

Taddei M, McPherson MJ, Gougsa A, Lam J, Sewell J, Andreoli E. An Optimised Compaction Process for Zr-Fumarate (MOF-801). Inorganics. 2019; 7(9):110.

Chicago/Turabian Style

Taddei, Marco, Matthew J. McPherson, Abel Gougsa, Jamie Lam, Jack Sewell, and Enrico Andreoli. 2019. "An Optimised Compaction Process for Zr-Fumarate (MOF-801)" Inorganics 7, no. 9: 110.

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