Experimental evaluation of a three-phase downflow capillary reactor

Enache, Dan Ion, Hutchings, Graham John ORCID: https://orcid.org/0000-0001-8885-1560, Taylor, Stuart H. ORCID: https://orcid.org/0000-0002-1933-4874, Natividad, R., Raymahasy, S., Winterbottom, J. M. and Stitt, E. H. 2005. Experimental evaluation of a three-phase downflow capillary reactor. Industrial and Engineering Chemistry Research 44 (16) , pp. 6295-6303. 10.1021/ie049140y

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Abstract

One reason for the few commercial successes of intensified catalytic multiphase reactors might be that many of these developments inherently incorporate a fixed catalyst, which may not suit an industry that is based on principles of batch manufacture and multiproduct plants. This study evaluates an intensified reactor that encompasses the opportunities demonstrated from structured flows and thin channels, together with a mobile, slurry catalyst, namely, a multicapillary reactor with gas/liquid/suspended catalyst flow. Using the single capillary arrangement, the reaction of resorcinol hydrogenation was shown to be first order in hydrogen and to be operating under kinetic control. The increase of the gas-to-liquid flow ratio showed a positive effect on the observed reaction rate. Comparison of the rate of resorcinol hydrogenation in the capillary reactor with an autoclave under equivalent reaction conditions demonstrated that the rate in the single capillary reactor (SCR) was enhanced by a factor of 7. © 2005 American Chemical Society.

Item Type:	Article
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	Alcohols; Autoclaves; Catalyst activity; Chemical reactors; Hydrogenation; Multiphase flow, Kinetic control; Multiphase reactors; Multiproduct plants; Single capillary reactor (SCR), Capillary flow, hydrogenation
Additional Information:	cited By (since 1996) 5
Publisher:	American Chemical Society
ISSN:	08885885
Last Modified:	05 Jan 2023 14:13
URI:	https://orca.cardiff.ac.uk/id/eprint/10278

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