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Structure and Activity of NiO/ɑ-Al_2O_3 and NiO/ZrO_2 Calcined at High Temperatures II. Activity in the Fuel-Rich Oxidation of Methane

Gavalas, G. R. and Phichitkul, C. and Voecks, G. E. (1984) Structure and Activity of NiO/ɑ-Al_2O_3 and NiO/ZrO_2 Calcined at High Temperatures II. Activity in the Fuel-Rich Oxidation of Methane. Journal of Catalysis, 88 (1). pp. 65-72. ISSN 0021-9517. https://resolver.caltech.edu/CaltechAUTHORS:20151104-143219422

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Abstract

The activity of NiO/α-Al_2O_3 and NiO/ZrO_2 in the fuel-rich oxidation of methane was measured as a function of time-on-stream for different initial calcination temperatures and for different reduction-reoxidation treatments. The activity was found to decrease substantially with increasing temperature of calcination. However, the activity of the calcined catalysts increased sharply following reduction in H_2 prior to reaction. The changes in total activity are discussed in terms of changes in surface area and specific activity, the latter being the dominant factor. The change in specific activity is discussed in terms of changes in the content of excess oxygen.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0021-9517(84)90050-2 DOIArticle
http://www.sciencedirect.com/science/article/pii/0021951784900502PublisherArticle
ORCID:
AuthorORCID
Gavalas, G. R.0000-0003-1468-6835
Additional Information:© 1984 Academic Press, Inc. Received December 13, 1982; revised February 14,1984.
Issue or Number:1
Record Number:CaltechAUTHORS:20151104-143219422
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20151104-143219422
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61845
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:06 Nov 2015 20:31
Last Modified:03 Oct 2019 09:12

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