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MRI: Operando Measurements of temperature, hydrodynamics and local reaction rate in a heterogeneous catalytic reactor

Lookup NU author(s): Dr Fernando Russo AbegaoORCiD

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Abstract

Magnetic resonance imaging is a particularly valuable technique for studying heterogeneous catalytic processes in the reactor environment because it has the potential to characterise hydrodynamics and chemical composition at different spatial locations within the reactor. Here we report recent developments in: (i) temperature mapping in a trickle-bed reactor with an accuracy of ±2.0 °C, (ii) imaging of local gas and liquid flow velocities in a fixed-bed reactor during trickle-flow with a measurement accuracy of 5% and 7%, respectively, and (iii) quantitative mapping of chemical composition within the bed to an accuracy of <2.5%. The ability to measure local reaction rate enables us to calculate a local rate-based selectivity to specific products within the reactor.


Publication metadata

Author(s): Gladden LF, Russo Abegão FJ, Dunckley CP, Holland DJ, Sankey MH, Sederman AJ

Publication type: Article

Publication status: Published

Journal: Catalysis Today

Year: 2010

Volume: 155

Pages: 157-163

Print publication date: 15/10/2010

Online publication date: 20/11/2009

ISSN (print): 0920-5861

ISSN (electronic): 1873-4308

Publisher: Elsevier BV

URL: https://doi.org/10.1016/j.cattod.2009.10.012

DOI: 10.1016/j.cattod.2009.10.012


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