CobaltMaghrebV1, Main, Exploration, bibRecord, 001007

Carbon dioxide reforming of methane on modified Ni/α-A12O3 catalysts

Identifieur interne : 001007 ( Main/Exploration ); précédent : 001006; suivant : 001008

Carbon dioxide reforming of methane on modified Ni/α-A12O3 catalysts

Auteurs : D. Halliche [Algérie] ; R. Bouarab [Algérie] ; O. Cherifi [Algérie] ; M. M. Bettahar [Algérie]

Source :

Catalysis Today [ 0920-5861 ] ; 1996.

RBID : ISTEX:D3D34F7A8144226010BCCD617CE6A60D05A6627D

Descripteurs français

Pascal (Inist)
- Activité catalytique, Aluminium Oxyde, C O, CO2, Carbone dioxyde, Catalyseur modifié, Cobalt, Cuivre, Cérium, Fer, Méthane, Nickel, Reformage, Réaction catalytique.
Wicri :
- topic : Cobalt, Cuivre, Fer, Nickel.

English descriptors

KwdEn :
- Aluminium Oxides, Carbon dioxide, Catalyst activity, Catalytic reaction, Cerium, Cobalt, Copper, Iron, Methane, Modified catalyst, Nickel, Reforming.

Abstract

We have studied the CO2-reforming of methane at atmospheric pressure in the range temperature 550–730°C on Ni/α-A12O3 catalysts modified by Fe, Co, Cu and Ce, respectively. The obtained results show that the activities depend on the CO2/CH4 ratio, the nature of the metal additives and the reaction temperature. The order of activity is Ni, NiCo, NiCe > NiCu〉 NiFe. The effect of the additives is attributed to their interaction with the nickel supported active phase. When CH4 is replaced by H2 in the presented reaction, no effect of the metal additives on the activities is observed and the CO2 conversions are sensibly lower. These results let us think that the contribution of the reverse gas shift reaction is less important than expected in the overall process of the methane CO2-reforming.

Url:

https://api.istex.fr/document/D3D34F7A8144226010BCCD617CE6A60D05A6627D/fulltext/pdf

DOI: 10.1016/0920-5861(95)00307-X

Affiliations:

Algérie

Le document en format XML

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<front><div type="abstract" xml:lang="en">We have studied the CO2-reforming of methane at atmospheric pressure in the range temperature 550–730°C on Ni/α-A12O3 catalysts modified by Fe, Co, Cu and Ce, respectively. The obtained results show that the activities depend on the CO2/CH4 ratio, the nature of the metal additives and the reaction temperature. The order of activity is Ni, NiCo, NiCe > NiCu〉 NiFe. The effect of the additives is attributed to their interaction with the nickel supported active phase. When CH4 is replaced by H2 in the presented reaction, no effect of the metal additives on the activities is observed and the CO2 conversions are sensibly lower. These results let us think that the contribution of the reverse gas shift reaction is less important than expected in the overall process of the methane CO2-reforming.</div>
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Serveur d'exploration sur le cobalt au Maghreb

Carbon dioxide reforming of methane on modified Ni/α-A12O3 catalysts

Carbon dioxide reforming of methane on modified Ni/α-A12O3 catalysts

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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Pour manipuler ce document sous Unix (Dilib)

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