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Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile

MoVNbTe catalyst has been found to be the most active and selective catalyst in the ammoxidation of propane to ACN, the selective oxidation of propane to acrylic acid and in the oxidative dehydrogenation of ethane to ethylene. However, in our previous work, when 0.5 mL of MoVNbTe catalyst prepared u...

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Main Authors: Ramli, Anita, Othman, Mohd Azizi, M Jamil, Farinaa
Format: Citation Index Journal
Published: David Publishing Company 2010
Subjects:
TP Chemical technology
QD Chemistry
Online Access:http://eprints.utp.edu.my/2918/1/Anita-Azizi_Farinaa_Chem%26ChemEngJ.pdf
http://eprints.utp.edu.my/2918/
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spelling my.utp.eprints.29182017-01-19T08:24:14Z Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile Ramli, Anita Othman, Mohd Azizi M Jamil, Farinaa TP Chemical technology QD Chemistry MoVNbTe catalyst has been found to be the most active and selective catalyst in the ammoxidation of propane to ACN, the selective oxidation of propane to acrylic acid and in the oxidative dehydrogenation of ethane to ethylene. However, in our previous work, when 0.5 mL of MoVNbTe catalyst prepared using slurry method was tested in the propane ammoxidation to ACN, it only shows 1% conversion of propane with about 55% selectivity to CAN, thus giving only 0.6% yields to ACN. The poor catalyst activity is attributed to insufficient formation of crystalline phases essential for the propane activation process. In an attempt to improve the physicochemical properties of this catalyst, several preparation methods have been used, namely hydrothermal, reflux, changing the solvent and changing the calcinations temperature. The modified catalysts have been characterized using X-Ray Diffraction (XRD) and N2 physisorption (BET). The MoVNbTe catalyst prepared by hydrothermal method shows a remarkable improvement in the formation of crystalline phases. David Publishing Company 2010-06 Citation Index Journal PeerReviewed application/pdf http://eprints.utp.edu.my/2918/1/Anita-Azizi_Farinaa_Chem%26ChemEngJ.pdf Ramli, Anita and Othman, Mohd Azizi and M Jamil, Farinaa (2010) Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile. [Citation Index Journal] http://eprints.utp.edu.my/2918/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
topic TP Chemical technology
QD Chemistry
spellingShingle TP Chemical technology
QD Chemistry
Ramli, Anita
Othman, Mohd Azizi
M Jamil, Farinaa
Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile
description MoVNbTe catalyst has been found to be the most active and selective catalyst in the ammoxidation of propane to ACN, the selective oxidation of propane to acrylic acid and in the oxidative dehydrogenation of ethane to ethylene. However, in our previous work, when 0.5 mL of MoVNbTe catalyst prepared using slurry method was tested in the propane ammoxidation to ACN, it only shows 1% conversion of propane with about 55% selectivity to CAN, thus giving only 0.6% yields to ACN. The poor catalyst activity is attributed to insufficient formation of crystalline phases essential for the propane activation process. In an attempt to improve the physicochemical properties of this catalyst, several preparation methods have been used, namely hydrothermal, reflux, changing the solvent and changing the calcinations temperature. The modified catalysts have been characterized using X-Ray Diffraction (XRD) and N2 physisorption (BET). The MoVNbTe catalyst prepared by hydrothermal method shows a remarkable improvement in the formation of crystalline phases.
format Citation Index Journal
author Ramli, Anita
Othman, Mohd Azizi
M Jamil, Farinaa
author_facet Ramli, Anita
Othman, Mohd Azizi
M Jamil, Farinaa
author_sort Ramli, Anita
title Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile
title_short Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile
title_full Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile
title_fullStr Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile
title_full_unstemmed Effect of preparation method on the physicochemical properties of MoVNbTe catalyst for propane ammoxidation to acrylonitrile
title_sort effect of preparation method on the physicochemical properties of movnbte catalyst for propane ammoxidation to acrylonitrile
publisher David Publishing Company
publishDate 2010
url http://eprints.utp.edu.my/2918/1/Anita-Azizi_Farinaa_Chem%26ChemEngJ.pdf
http://eprints.utp.edu.my/2918/
_version_ 1738655231926861824
score 13.211869

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