Oxygen on iron oxide: effect on the selective oxidation of butane

Journal Article · Fri Oct 01 04:00:00 EDT 1982 · J. Catal.; (United States)

DOI:https://doi.org/10.1016/0021-9517(82)90182-8· OSTI ID:6525349

Yang, B L; Kung, H H

The effect of preadsorbed and gas phase oxygen on the selective oxidation of butene to butadiene on ..cap alpha..-iron oxide was investigated using adsorption-desorption and pulse reaction technique. It was found that irreversibly adsorbed oxygen did not affect the butene oxidation reaction. However, the presence of gas phase oxygen significantly reduced the production of butadiene and increased the production of carbon dioxide. This decrease in butadiene production was due to the high reactivity of adsorbed butadiene precursors toward weakly adsorbed oxygen. However, these butadiene precursors were not reactive toward nitrous oxide. Therefore, under steady-state conditions, the rate of production of butadiene is determined by the competition between the desorption of butadiene and the degradation of the precursors by oxygen.

• Research Organization: Northwestern Univ., Evanston, IL
• OSTI ID: 6525349
• Journal Information: J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 77:2; ISSN JCTLA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORPTION
ALKENES
BUTADIENE
BUTENES
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL PREPARATION
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
DATA
DIENES
ELEMENTS
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
IRON COMPOUNDS
IRON OXIDES
KINETICS
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDATION
OXIDES
OXYGEN
OXYGEN COMPOUNDS
POLYENES
REACTION KINETICS
SORPTION
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS