Nature of Ni-Al developed phases during thermal activation in relation to the preparation techniques. Part II: reduction and catalytic properties

Citation
Ma. Marturano et al., Nature of Ni-Al developed phases during thermal activation in relation to the preparation techniques. Part II: reduction and catalytic properties, THERMOC ACT, 336(1-2), 1999, pp. 55-60
Citations number
11
Categorie Soggetti
Spectroscopy /Instrumentation/Analytical Sciences
Journal title
THERMOCHIMICA ACTA
ISSN journal
00406031 → ACNP
Volume
336
Issue
1-2
Year of publication
1999
Pages
55 - 60
Database
ISI
SICI code
0040-6031(19990927)336:1-2<55:NONDPD>2.0.ZU;2-6
Abstract
The reducibility of different catalysts based on Ni (bulk and supported) us ed to obtain syngas is studied in. this work. Taking as test reaction the s team reforming of methane, it was possible to prove that the stability of c atalytic systems is closely related with the reduction temperature determin ed by TGA-DTG. Higher difficulty in reduction of metallic phase implies hig her interaction between Ni and Al oxides; this leads to higher stability of catalytic system exposed to severe thermal treatments. (C) 1999 Published by Elsevier Science B.V. All rights reserved.