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Combining continuous flow oscillatory baffled reactors and microwave heating: Process intensification and accelerated synthesis of metal-organic frameworks

Laybourn, Andrea; L�pez-Fern�ndez, Ana Mar�a; Thomas-Hillman, Ieuan; Katrib, Juliano; Lewis, William; Dodds, Chris; Harvey, Adam P.; Kingman, Samuel W.

Authors

ANDREA LAYBOURN ANDREA.LAYBOURN@NOTTINGHAM.AC.UK
Assistant Professor in Chemical Engineering

Ana Mar�a L�pez-Fern�ndez

Ieuan Thomas-Hillman

Juliano Katrib

William Lewis

CHRIS DODDS CHRIS.DODDS@NOTTINGHAM.AC.UK
Professor of Process Engineering

Adam P. Harvey

SAM KINGMAN SAM.KINGMAN@NOTTINGHAM.AC.UK
Pro-Vice Chancellor Faculty of Engineering



Abstract

We have constructed a continuous flow oscillatory baffled reactor (CF-OBR) equipped with a homogeneous and controllable microwave applicator in an entirely novel design. This affords a new route to chemical production incorporating many of the principles of process intensification and allows, for the first time, investigation of the synergistic benefits of microwave heating and CF-OBRs such as; faster and continuous processing; improved product properties and purity; improved control over the processing parameters; and reduced energy consumption. The process is demonstrated by the production of a metal-organic framework (MOF), HKUST-1, a highly porous crystalline material with potential applications in gas storage and separation, catalysis, and sensing. Our reactor enabled the production of HKUST-1 at the 97.42 g/h scale, with a space time yield (STY) of 6.32 × 105 kg/m3/day and surface area production rate (SAPR) of 1.12 × 1012 m2/m3/day. This represents the highest reported STY and fastest reported synthesis (2.2 seconds) for any MOF produced via any method to-date and is an improvement on the current SAPR for HKUST-1 by two orders of magnitude owing to the superior porosity exhibited by HKUST-1 produced using our rig (Langmuir surface area of 1772 compared to 600 m2/g).

Citation

Laybourn, A., López-Fernández, A. M., Thomas-Hillman, I., Katrib, J., Lewis, W., Dodds, C., …Kingman, S. W. (2019). Combining continuous flow oscillatory baffled reactors and microwave heating: Process intensification and accelerated synthesis of metal-organic frameworks. Chemical Engineering Journal, 356, 170-177. https://doi.org/10.1016/j.cej.2018.09.011

Journal Article Type Article
Acceptance Date Sep 2, 2018
Online Publication Date Sep 4, 2018
Publication Date Jan 15, 2019
Deposit Date Sep 5, 2018
Publicly Available Date Mar 29, 2024
Journal Chemical Engineering Journal
Print ISSN 1385-8947
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 356
Pages 170-177
DOI https://doi.org/10.1016/j.cej.2018.09.011
Keywords Metal-organic framework ; Microwave ; Oscillatory baffled reactor ; Process intensification ; Ultra-fast synthesis ; Continuous flow
Public URL https://nottingham-repository.worktribe.com/output/1060860
Publisher URL https://www.sciencedirect.com/science/article/pii/S1385894718317200?via%3Dihub

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