Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 40: Issue 3
Thermal activation of typical oxidative dehydrogenation catalyst precursors belonging to the Ni−Mo−O system
Authors:
C. Mazzocchia Politecnico di Milano Dipartimento di Chimica Industriale e Ingegneria Chimica P.Za L. Da Vinci 32-20133 Milano Italy

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R. Anouchinsky Politecnico di Milano Dipartimento di Chimica Industriale e Ingegneria Chimica P.Za L. Da Vinci 32-20133 Milano Italy

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A. Kaddouri Politecnico di Milano Dipartimento di Chimica Industriale e Ingegneria Chimica P.Za L. Da Vinci 32-20133 Milano Italy

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M. Sautel E. N. S. Mines de Saint Etienne 158 Cours Fauriel 42023 St Etienne, Cedex France

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G. Thomas E. N. S. Mines de Saint Etienne 158 Cours Fauriel 42023 St Etienne, Cedex France

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Pages:
1253–1265
Online Publication Date:
09 Jan 2007
Publication Date:
01 Oct 1993
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02546889
Keywords:
FFT-IR; HTXRD; Ni−Mo−O system; TG-DTA
Restricted access

Abstract  

NiMoO4 obtained by calcination of precursors has been shown to be a very effective catalyst for oxidative dehydrogenation of propane into propene. Preparation conditions and thermal decomposition of two precursors have been studied by TG-DTA, HTXRD, FFT-IR, and thermo-desorption coupled to mass spectroscopy in order to determine their composition and to define the best treatment to favour the oxidative dehydrogenation process. The selectivity and activity for propane transformation into propene are very different depending on the nature of the precursor and of the active phases obtained after thermal activation. The more selective high-temperature β phase of NiMoO4 has been obtained at a lower temperature (500°C) than previously reported (700°C).

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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