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Spectroscopic investigation into the design of solid–acid catalysts for the low temperature dehydration of ethanol

Spectroscopic investigation into the design of solid–acid catalysts for the low temperature dehydration of ethanol
Spectroscopic investigation into the design of solid–acid catalysts for the low temperature dehydration of ethanol
The increased demand for bulk hydrocarbons necessitates research into increasingly sustainable, energy-efficient catalytic processes. Owing to intricately designed structure–property correlations, SAPO-34 has become established as a promising material for the low temperature ethanol dehydration to produce ethylene. However, further optimization of this process requires a precise knowledge of the reaction mechanism at a molecular level. In order to achieve this a range of spectroscopic characterization techniques are required to probe both the interaction with the active site, and also the wider role of the framework. To this end we employ a combination of in situ infra-red and neutron scattering techniques to elucidate the influence of the surface ethoxy species in the activation of both diethyl ether and ethanol, towards the improved formation of ethylene at low temperatures. The combined conclusions of these studies is that the formation of ethylene is the rate determining step, which is of fundamental importance towards the development of this process and the introduction of bio-ethanol as a viable feedstock for ethylene production.
1463-9076
17303-17310
Potter, Matthew
34dee7dc-2f62-4022-bb65-fc7b7fb526d2
Aswegen, Sivan V.
68316820-cf51-40bf-b85d-d30ba81ea594
Gibson, Emma K.
738c74e4-ab68-42fe-bda8-9d4a43669b31
Silverwood, Ian P.
82866f8b-db54-4b52-ae0e-20ac70e21b9e
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b
Potter, Matthew
34dee7dc-2f62-4022-bb65-fc7b7fb526d2
Aswegen, Sivan V.
68316820-cf51-40bf-b85d-d30ba81ea594
Gibson, Emma K.
738c74e4-ab68-42fe-bda8-9d4a43669b31
Silverwood, Ian P.
82866f8b-db54-4b52-ae0e-20ac70e21b9e
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b

Potter, Matthew, Aswegen, Sivan V., Gibson, Emma K., Silverwood, Ian P. and Raja, Robert (2016) Spectroscopic investigation into the design of solid–acid catalysts for the low temperature dehydration of ethanol. Physical Chemistry Chemical Physics, 18 (26), 17303-17310. (doi:10.1039/C6CP01209D).

Record type: Article

Abstract

The increased demand for bulk hydrocarbons necessitates research into increasingly sustainable, energy-efficient catalytic processes. Owing to intricately designed structure–property correlations, SAPO-34 has become established as a promising material for the low temperature ethanol dehydration to produce ethylene. However, further optimization of this process requires a precise knowledge of the reaction mechanism at a molecular level. In order to achieve this a range of spectroscopic characterization techniques are required to probe both the interaction with the active site, and also the wider role of the framework. To this end we employ a combination of in situ infra-red and neutron scattering techniques to elucidate the influence of the surface ethoxy species in the activation of both diethyl ether and ethanol, towards the improved formation of ethylene at low temperatures. The combined conclusions of these studies is that the formation of ethylene is the rate determining step, which is of fundamental importance towards the development of this process and the introduction of bio-ethanol as a viable feedstock for ethylene production.

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Accepted/In Press date: 26 May 2016
e-pub ahead of print date: 26 May 2016
Published date: July 2016
Organisations: Organic Chemistry: SCF

Identifiers

Local EPrints ID: 399711
URI: http://eprints.soton.ac.uk/id/eprint/399711
ISSN: 1463-9076
PURE UUID: 53a7bc60-822a-4732-a194-aec4fef97411
ORCID for Matthew Potter: ORCID iD orcid.org/0000-0001-9849-3306
ORCID for Robert Raja: ORCID iD orcid.org/0000-0002-4161-7053

Catalogue record

Date deposited: 25 Aug 2016 09:32
Last modified: 18 Feb 2021 17:16

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