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Quarterly Technical Progress Report - Investigation of Syngas Interaction in Alcohol Synthesis Catalysts [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 1998.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators:
Federal Energy Technology Center (U.S.), United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
This report presents the work done on " Investigation of Syngas Interaction in Alcohol Synthesis Catalysts" during the last quarter. The major activity during this period is on FTIR absorption studies of Co/Cr catalysts using CO as a probe molecule. Transition metals cobalt and copper play significant roles in the conversion of syngas (CO + H2 ) to liquid fuels. With a view to examine the nature of interaction between CO and metal, the FTIR spectra of CO adsorbed on Co-Cr2 O3 composites were investigated. The results indicate that as cobalt loading increases, the intensity of the CO adsorption bands increase and several vibrational modes seem to be promoted. Heat treatment of the sample revealed two distinct processes of adsorption. Bands due to physisorption disappeared while bands due to chemisorption not only increased in intensity but persisted even after desorption. It seems that the physisorption process is more active when the catalyst is fresh and is hindered when carbidic/carbonyl formations occur on the metal surfaces.
Report Numbers:
E 1.99:de-fg22-93mt93010--14
de-fg22-93mt93010--14
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
11/10/1998.
"de-fg22-93mt93010--14"
"DE00001625"
Murty A. Akundi.
Type of Report and Period Covered Note:
Quarterly; 06/01/1997 - 08/31/1997
Funding Information:
FG22-93MT93010
View MARC record | catkey: 14987638