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High-temperature stable and highly active/selective supported NiCoMgCeOx catalyst suitable for autothermal reforming of methane to syngas

TitleHigh-temperature stable and highly active/selective supported NiCoMgCeOx catalyst suitable for autothermal reforming of methane to syngas
Publication TypeJournal Article
Year of Publication2005
AuthorsChoudhary, VR, Mondal, KC, Mamman, ASingh
JournalJournal of Catalysis
Volume233
Issue1
Pagination36-40
Date PublishedJUL
Type of ArticleArticle
ISSN0021-9517
Keywordsautothermal reforming of methane, Catalyst, catalytic partial oxidation of methane, CO2 reforming of methane, high-temperature stable supported NiCoMgCeOx catalyst, steam reforming of methane, zirconia-haffnia-supported NiCoMgCeOx catalysts, zirconia-haffnia-supported NiCoMgOx
Abstract

Low-surface-area, macroporous, zirconia-haffnia-supported NiCoMgOx and NiCoMgCeOx (Ni/Co/Mg/Ce = 1/0.2/1.2/0.0 or 1.2) catalysts, precalcined at high temperature ( 1400 degrees C for 4 h), showed both high activity (> 98% conversion) and selectivity ( > 95%) in the catalytic partial oxidation of methane (CPOM) to syngas. Their performance remained unchanged even after they were subjected to higher temperature (> 2000 degrees C for 30 min) or a number of high-temperature (> 2000 degrees C) shocks, due to their direct exposure to an oxyacetylene flame. The supported NiCoMgCeOx, however, showed superior performance in the steam and CO2 reforming reactions because of its much higher lattice oxygen mobility. Hence it is more suitable for the autothermal reforming of methane. (c) 2005 Elsevier Inc. All rights reserved.

DOI10.1016/j.jcat.2005.04.019
Type of Journal (Indian or Foreign)

Foreign

Impact Factor (IF)

7.354

Divison category: 
Chemical Engineering & Process Development