Effects of potassium on carbon monoxide methanation over supported rhodium films

Journal Article · Thu Aug 28 04:00:00 EDT 1986 · J. Phys. Chem.; (United States)

DOI:https://doi.org/10.1021/j100409a001· OSTI ID:5294993

Dai, C H; Worley, S D

The reaction of hydrogen with carbon monoxide over Rh/Al/sub 2/O/sub 3/ and Rh/TiO/sub 2/ catalytic films, some of which contained potassium as an additive, has been investigated. The presence of potassium caused the usual gem dicarbonyl and linear CO species on supported rhodium to disappear at lower temperature than for catalysts containing no potassium. On the other hand, the bridged carbonyl species seemed to be significantly enhanced by the presence of potassium. the Rh/TiO/sub 2/ films to which potassium was added catalyzed the production of significant amounts of acetone and acetaldehyde as oxygenated products. It is likely that the bridged carbonyl species is the precursor to oxygenated products.

• Research Organization: Auburn Univ., AL
• OSTI ID: 5294993
• Journal Information: J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 90:18; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

090100* -- Hydrocarbon Fuels-- (-1989)
10 SYNTHETIC FUELS
ALKALI METALS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
DATA
ELEMENTS
EXPERIMENTAL DATA
FILMS
HYDROGEN
INFORMATION
INFRARED SPECTRA
METALS
METHANATION
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PLATINUM METALS
POTASSIUM
RHODIUM
SPECTRA
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS