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A study of the functionalities of the phases in Mo-V-Nb-Te oxides for propane ammoxidation

Holmberg, Johan LU ; Grasselli, Robert K. and Andersson, Arne LU (2003) In Topics in Catalysis 23(1-4). p.55-63
Abstract
Catalysts belonging to the Mo-V-Nb-Te-O system have been prepared with both a slurry method and hydrothermal synthesis and were tested for propane and propylene ammoxidation to acrylonitrile. All samples were characterized with BET, XRD, ICP and XPS. The catalysts were found to consist of three phases, to which activity and selectivity correlations were made. The results indicate that both an orthorhombic phase and a hexagonal phase are needed to have an active and selective catalyst. The orthorhombic phase is the most active for propane conversion although less selective than the hexagonal phase for the conversion of formed propylene to acrylonitrile.
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Mo-V-Nb-Te, acrylonitrile, propane ammoxidation, propylene ammoxidation, oxide catalysts, XRD
in
Topics in Catalysis
volume
23
issue
1-4
pages
55 - 63
publisher
Springer
external identifiers
  • wos:000184336800007
  • scopus:0344272414
ISSN
1572-9028
DOI
10.1023/A:1024868219603
language
English
LU publication?
yes
id
96cb84c1-fdd5-4031-9bbb-61284c2cac31 (old id 305153)
date added to LUP
2016-04-01 15:28:44
date last changed
2023-09-04 02:17:10
@article{96cb84c1-fdd5-4031-9bbb-61284c2cac31,
  abstract     = {{Catalysts belonging to the Mo-V-Nb-Te-O system have been prepared with both a slurry method and hydrothermal synthesis and were tested for propane and propylene ammoxidation to acrylonitrile. All samples were characterized with BET, XRD, ICP and XPS. The catalysts were found to consist of three phases, to which activity and selectivity correlations were made. The results indicate that both an orthorhombic phase and a hexagonal phase are needed to have an active and selective catalyst. The orthorhombic phase is the most active for propane conversion although less selective than the hexagonal phase for the conversion of formed propylene to acrylonitrile.}},
  author       = {{Holmberg, Johan and Grasselli, Robert K. and Andersson, Arne}},
  issn         = {{1572-9028}},
  keywords     = {{Mo-V-Nb-Te; acrylonitrile; propane ammoxidation; propylene ammoxidation; oxide catalysts; XRD}},
  language     = {{eng}},
  number       = {{1-4}},
  pages        = {{55--63}},
  publisher    = {{Springer}},
  series       = {{Topics in Catalysis}},
  title        = {{A study of the functionalities of the phases in Mo-V-Nb-Te oxides for propane ammoxidation}},
  url          = {{http://dx.doi.org/10.1023/A:1024868219603}},
  doi          = {{10.1023/A:1024868219603}},
  volume       = {{23}},
  year         = {{2003}},
}