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Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

Bibliographic Details
Main Authors:	Weinstein, Randy., Ferens, Andrew., Orange, Robert., Lemaire, Paul.
Format:	Villanova Faculty Authorship
Language:	English
Published:	2010
Online Access:	http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:179182

Main Authors:

Weinstein, Randy., Ferens, Andrew., Orange, Robert., Lemaire, Paul.

Format:

Villanova Faculty Authorship

Language:

English

Published:

2010

Online Access:

http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:179182

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spelling	Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers. Weinstein, Randy. Ferens, Andrew. Orange, Robert. Lemaire, Paul. Three types of graphite nanofibers (GNFs), with varying orientations of the graphene sheets (herringbone, platelet, and ribbon), were used as catalysts for the gas-phase oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate in the presence of oxygen. The effects of fiber type, temperature, oxygen concentration, and ethanol concentration on conversion and product ratio were explored. When identical processing conditions were employed, herringbone fibers produced higher conversions of ethanol compared to platelet and ribbon fibers, which yielded similar results to one another. Altering equilibrium conditions by increasing oxygen concentration tended to increase conversion as well as increase the percentage of acetaldehyde produced. Adjusting oxygen concentration had a more significant affect on the platelet and ribbon fibers. Temperature also altered the conversion and product ratios as expected. It is believed that the oxygen groups terminating the prismatic edge sites of the graphene planes are responsible for the catalytic activity in oxidative dehydrogenation reactions such as the one explored here. 2010 Villanova Faculty Authorship vudl:179182 Carbon 49(2), 2011, 701-707. en
dc.title_txt_mv	Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
dc.creator_txt_mv	Weinstein, Randy. Ferens, Andrew. Orange, Robert. Lemaire, Paul.
dc.description_txt_mv	Three types of graphite nanofibers (GNFs), with varying orientations of the graphene sheets (herringbone, platelet, and ribbon), were used as catalysts for the gas-phase oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate in the presence of oxygen. The effects of fiber type, temperature, oxygen concentration, and ethanol concentration on conversion and product ratio were explored. When identical processing conditions were employed, herringbone fibers produced higher conversions of ethanol compared to platelet and ribbon fibers, which yielded similar results to one another. Altering equilibrium conditions by increasing oxygen concentration tended to increase conversion as well as increase the percentage of acetaldehyde produced. Adjusting oxygen concentration had a more significant affect on the platelet and ribbon fibers. Temperature also altered the conversion and product ratios as expected. It is believed that the oxygen groups terminating the prismatic edge sites of the graphene planes are responsible for the catalytic activity in oxidative dehydrogenation reactions such as the one explored here.
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author	Weinstein, Randy. Ferens, Andrew. Orange, Robert. Lemaire, Paul.
spellingShingle	Weinstein, Randy. Ferens, Andrew. Orange, Robert. Lemaire, Paul. Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
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description	Three types of graphite nanofibers (GNFs), with varying orientations of the graphene sheets (herringbone, platelet, and ribbon), were used as catalysts for the gas-phase oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate in the presence of oxygen. The effects of fiber type, temperature, oxygen concentration, and ethanol concentration on conversion and product ratio were explored. When identical processing conditions were employed, herringbone fibers produced higher conversions of ethanol compared to platelet and ribbon fibers, which yielded similar results to one another. Altering equilibrium conditions by increasing oxygen concentration tended to increase conversion as well as increase the percentage of acetaldehyde produced. Adjusting oxygen concentration had a more significant affect on the platelet and ribbon fibers. Temperature also altered the conversion and product ratios as expected. It is believed that the oxygen groups terminating the prismatic edge sites of the graphene planes are responsible for the catalytic activity in oxidative dehydrogenation reactions such as the one explored here.
title	Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
title_full	Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
title_fullStr	Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
title_full_unstemmed	Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
title_short	Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
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Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.
Weinstein, Randy.
Ferens, Andrew.
Orange, Robert.
Lemaire, Paul.
Three types of graphite nanofibers (GNFs), with varying orientations of the graphene sheets (herringbone, platelet, and ribbon), were used as catalysts for the gas-phase oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate in the presence of oxygen. The effects of fiber type, temperature, oxygen concentration, and ethanol concentration on conversion and product ratio were explored. When identical processing conditions were employed, herringbone fibers produced higher conversions of ethanol compared to platelet and ribbon fibers, which yielded similar results to one another. Altering equilibrium conditions by increasing oxygen concentration tended to increase conversion as well as increase the percentage of acetaldehyde produced. Adjusting oxygen concentration had a more significant affect on the platelet and ribbon fibers. Temperature also altered the conversion and product ratios as expected. It is believed that the oxygen groups terminating the prismatic edge sites of the graphene planes are responsible for the catalytic activity in oxidative dehydrogenation reactions such as the one explored here.
2010
Villanova Faculty Authorship
vudl:179182
Carbon 49(2), 2011, 701-707.
en

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Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

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Weinstein, Randy.
Ferens, Andrew.
Orange, Robert.
Lemaire, Paul.

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Three types of graphite nanofibers (GNFs), with varying orientations of the graphene sheets (herringbone, platelet, and ribbon), were used as catalysts for the gas-phase oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate in the presence of oxygen. The effects of fiber type, temperature, oxygen concentration, and ethanol concentration on conversion and product ratio were explored. When identical processing conditions were employed, herringbone fibers produced higher conversions of ethanol compared to platelet and ribbon fibers, which yielded similar results to one another. Altering equilibrium conditions by increasing oxygen concentration tended to increase conversion as well as increase the percentage of acetaldehyde produced. Adjusting oxygen concentration had a more significant affect on the platelet and ribbon fibers. Temperature also altered the conversion and product ratios as expected. It is believed that the oxygen groups terminating the prismatic edge sites of the graphene planes are responsible for the catalytic activity in oxidative dehydrogenation reactions such as the one explored here.

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Weinstein, Randy.
Ferens, Andrew.
Orange, Robert.
Lemaire, Paul.

spellingShingle

Weinstein, Randy.
Ferens, Andrew.
Orange, Robert.
Lemaire, Paul.
Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

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Ferens, Andrew.
Orange, Robert.
Lemaire, Paul.

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Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

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Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

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Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

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oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

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Oxidative dehydrogenation of ethanol to acetaldehyde and ethyl acetate by graphite nanofibers.

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