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A Study of Spreading of Vanadia on Titania Polymorphs Using Mechanical Mixtures

Sanati, Mehri LU ; Andersson, Arne LU and Wallenberg, Reine LU (1993) The 10th International Congress on Catalysis 75. p.1755-1758
Abstract
Mechanical mixtures of V2O5 and each of the three titania polymorphs TiO2(B), anatase and rutile were heated in air at 450°C. Spreading of vanadia was found to occur on all three polymorphs. After 36 hours of heating, coverage with interacting vanadia (the part that is insoluble in aq. NH3) on TiO2(B), anatase and rutile, respectively, was 54, 48 and 38 % of a theoretical monolayer. Raman spectra confirmed spreading and interaction. HREM images revealed no formation of multilayers of vanadia on titania. Use of the monolayer catalysts for toluene ammoxidation indicated their activity for benzonitrile formation to vary with respect to support in the order TiO2(B) > anatase > rutile.
Please use this url to cite or link to this publication:
author
; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
New Frontiers in Catalysis (Studies in Surface Science and Catalysis )
editor
Guczi et al, L
volume
75
pages
1755 - 1758
publisher
Elsevier
conference name
The 10th International Congress on Catalysis
conference location
Budapest, Hungary
conference dates
1992-07-19 - 1992-07-24
external identifiers
  • wos:A1993MK93200105
  • scopus:77956941746
ISSN
0167-2991
DOI
10.1016/S0167-2991(08)64527-9
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Ergonomics and Aerosol Technology (011025002), Chemical Engineering (011001014), Polymer and Materials Chemistry (LTH) (011001041)
id
be5f2783-5d54-49d4-8d99-b9f1c2414cf1 (old id 2018467)
date added to LUP
2016-04-01 16:45:29
date last changed
2023-09-05 00:41:49
@inproceedings{be5f2783-5d54-49d4-8d99-b9f1c2414cf1,
  abstract     = {{Mechanical mixtures of V2O5 and each of the three titania polymorphs TiO2(B), anatase and rutile were heated in air at 450°C. Spreading of vanadia was found to occur on all three polymorphs. After 36 hours of heating, coverage with interacting vanadia (the part that is insoluble in aq. NH3) on TiO2(B), anatase and rutile, respectively, was 54, 48 and 38 % of a theoretical monolayer. Raman spectra confirmed spreading and interaction. HREM images revealed no formation of multilayers of vanadia on titania. Use of the monolayer catalysts for toluene ammoxidation indicated their activity for benzonitrile formation to vary with respect to support in the order TiO2(B) > anatase > rutile.}},
  author       = {{Sanati, Mehri and Andersson, Arne and Wallenberg, Reine}},
  booktitle    = {{New Frontiers in Catalysis (Studies in Surface Science and Catalysis )}},
  editor       = {{Guczi et al, L}},
  issn         = {{0167-2991}},
  language     = {{eng}},
  pages        = {{1755--1758}},
  publisher    = {{Elsevier}},
  title        = {{A Study of Spreading of Vanadia on Titania Polymorphs Using Mechanical Mixtures}},
  url          = {{http://dx.doi.org/10.1016/S0167-2991(08)64527-9}},
  doi          = {{10.1016/S0167-2991(08)64527-9}},
  volume       = {{75}},
  year         = {{1993}},
}