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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 9, Number 2
BKCSDE 9(2)
February 20, 1988 

 
Title
Kinetics and Mechanism of the Oxidation of Carbon Monoxide on H2-Reduced NiO-Doped α-Fe2O3
Author
Don Kim, Keu Hong Kim*, Jae Shi Choi
Keywords
Abstract
The CO oxidation was performed on H2-reduced NiO-α-Fe2O3 in the temperature range 150-250℃. The kinetic study and the conductivity measurements indicate the oxidation reaction follows Langmuir-Rideal type process that is uncommon in heterogeneous catalyst. No active site is found on the catalyst surface for CO adsorption, but an oxygen vacancy adsorbs an oxygen, and this step is rate initiation. The partial orders are half for O2 and first for CO, respectively. Apparent activation energy for over-all reaction is 9.05 kcal/mol.
Page
81 - 84
Full Text
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