The Structure and Catalytic Properties of Amorphous Phase in MoVTeO Catalysts for Propane Ammoxidation Full article
| Journal |
Applied Catalysis A: General
ISSN: 0926-860X , E-ISSN: 1873-3875 |
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| Output data | Year: 2014, Volume: 476, Pages: 91-102 Pages count : 12 DOI: 10.1016/j.apcata.2014.02.022 | ||||
| Tags | M1 phase, MoVTe catalyst, Nanosized clusters, Nanostructure, Propane ammoxidation | ||||
| Authors |
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| Affiliations |
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Funding (3)
| 1 | Russian Foundation for Basic Research | 11-03-00584 |
| 2 | Russian Foundation for Basic Research | 12-03-31475 |
| 3 | The Ministry of Education and Science of the Russian Federation |
Abstract:
This work presents an investigation of the chemical and phase composition of Mo1.0V0.3Te0.23Ox catalyst prepared by spray drying. The changes in the catalyst after heat treatment at 220–550 °C were characterized by IR and Raman spectroscopy, XRD, HRTEM and differential dissolution methods. In the range of temperature 400–420 °C HRTEM revealed the presence of nanoscaled crystallites that are structurally and chemically related to M1 and M2 phases and randomly distributed in the amorphous matrix. The characteristic diffraction pattern of the amorphous product can be described by a model of nano-sized clusters built from the structure of M1 phase. Nanostructured catalysts are active and selective in propane ammoxidation. The increase of temperature of heat treatment of the catalyst above 450 °C leads to decomposition of nanostructured M1 phase and crystallization of M2 and a series of vanadium–molybdenum phases. The process is accompanied by a decrease in activity.
Cite:
Ishchenko E.V.
, Andrushkevich T.V.
, Popova G.Y.
, Kardash T.Y.
, Ishchenko A.V.
, Dovlitova L.S.
, Chesalov Y.A.
The Structure and Catalytic Properties of Amorphous Phase in MoVTeO Catalysts for Propane Ammoxidation
Applied Catalysis A: General. 2014. V.476. P.91-102. DOI: 10.1016/j.apcata.2014.02.022 WOS Scopus РИНЦ ANCAN OpenAlex
The Structure and Catalytic Properties of Amorphous Phase in MoVTeO Catalysts for Propane Ammoxidation
Applied Catalysis A: General. 2014. V.476. P.91-102. DOI: 10.1016/j.apcata.2014.02.022 WOS Scopus РИНЦ ANCAN OpenAlex
Dates:
| Submitted: | Sep 30, 2013 |
| Accepted: | Feb 13, 2014 |
| Published online: | Feb 21, 2014 |
| Published print: | Apr 22, 2014 |
Identifiers:
| Web of science: | WOS:000336005600014 |
| Scopus: | 2-s2.0-84896131182 |
| Elibrary: | 24019119 |
| Chemical Abstracts: | 2014:602593 |
| Chemical Abstracts (print): | 160:622743 |
| OpenAlex: | W1970338168 |