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Oscillatory behaviour during the partial oxidation of methane over nickel foils

Oscillatory behaviour during the partial oxidation of methane over nickel foils
Oscillatory behaviour during the partial oxidation of methane over nickel foils
The study of the partial oxidation of methane over nickel foils has been carried out over a wide range of reactor temperatures (748-930 °C) and feed-gas compositions (Ar/CH4/O2), ranging from 30:29:1 to 30:12:18 cm3 min-1 at atmospheric pressure. The product formation shows pronounced oscillations. A modified thermocouple was designed to measure the temperature while the interposed nickel foil worked as a catalyst. The oscillations have been attributed to the cyclic reduction and oxidation of the nickel surface in the specific reaction environment at elevated temperatures.
methane partial oxidation, oscillations, nickel foils
1011-372X
149-155
Zhang, X.
d7cf1181-3276-4da1-9150-e212b333abb1
Hayward, D.O.
de16843b-f75c-4a7d-a001-fb862ce747e6
Mingos, D.M.P.
f9a82d7c-a540-40a8-96f0-e1a5040582cc
Zhang, X.
d7cf1181-3276-4da1-9150-e212b333abb1
Hayward, D.O.
de16843b-f75c-4a7d-a001-fb862ce747e6
Mingos, D.M.P.
f9a82d7c-a540-40a8-96f0-e1a5040582cc

Zhang, X., Hayward, D.O. and Mingos, D.M.P. (2002) Oscillatory behaviour during the partial oxidation of methane over nickel foils. Catalysis Letters, 83 (3-4), 149-155. (doi:10.1023/A:1021069510797).

Record type: Article

Abstract

The study of the partial oxidation of methane over nickel foils has been carried out over a wide range of reactor temperatures (748-930 °C) and feed-gas compositions (Ar/CH4/O2), ranging from 30:29:1 to 30:12:18 cm3 min-1 at atmospheric pressure. The product formation shows pronounced oscillations. A modified thermocouple was designed to measure the temperature while the interposed nickel foil worked as a catalyst. The oscillations have been attributed to the cyclic reduction and oxidation of the nickel surface in the specific reaction environment at elevated temperatures.

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More information

Published date: November 2002
Keywords: methane partial oxidation, oscillations, nickel foils

Identifiers

Local EPrints ID: 49114
URI: http://eprints.soton.ac.uk/id/eprint/49114
ISSN: 1011-372X
PURE UUID: 177621b9-c5de-4534-8248-64c135893a06
ORCID for X. Zhang: ORCID iD orcid.org/0000-0002-4375-1571

Catalogue record

Date deposited: 24 Oct 2007
Last modified: 16 Mar 2024 03:55

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Contributors

Author: X. Zhang ORCID iD
Author: D.O. Hayward
Author: D.M.P. Mingos

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