NDLI: Partial oxidation of methane over nickel catalysts supported on various aluminas

Content Provider	SpringerLink
Author	Liu, Zhong Wen Jun, Ki Won Roh, Hyun Seog Park, Sang Eon Oh, Young Sam
Copyright Year	2002
Abstract	Partial oxidation of methane (POM) was systematically investigated in a fixed bed reactor over 12 wt% Ni catalysts supported on α-A1$_{2}$O$_{3}$, γ-A1$_{2}$O$_{3}$ and θ-A1$_{2}$O$_{3}$ which were prepared at different conditions. Results indicate that the catalytic activity toward POM strongly depends on the BET surface area of the support. All the Ni/ θ-Al$_{2}$O$_{3}$ catalysts showed high activity toward POM due to the less formation of inactive NiAl$_{2}$O$_{4}$ species, the existence of NiO, species and stable θ-Al$_{2}$O$_{3}$ phase. Although Ni/γ-Al$_{2}$O$_{3}$ showed the highest activity toward POM, long-time stability cannot be expected as a result of the deterioration of the support at higher temperature, which is revealed from BET results. From the reaction and characterization results, it is inferred that the optimal conditions for the preparation of θ-Al$_{2}$O$_{3}$ are 1,173 K and 12 h.
Starting Page	735
Ending Page	741
Page Count	7
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	19
Issue Number	5
e-ISSN	19757220
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Partial Oxidation of Methane Ni Catalyst θ-A1$_{2}$O$_{3}$ α-Al$_{2}$O$_{3}$ γ-A1$_{2}$O$_{3}$ Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemical Engineering Chemistry

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