Effects of Mn deposits from MMT on automotive catalysts in the absence and presence of other fuel additives
Journal Article
·
· Environ. Sci. Technol.; (United States)
The chemical effects of deposits from methylcyclopentadienyl manganese tricarbonyl (MMT) on three-way catalysts were investigated. Automotive exhaust was simulated by the combustion of isooctane. Depending on the experiment, MMT and/or other fuel additives were introduced. Two formulations on monolithic supports did not show any chemical poisoning beyond that caused by the same fuels without MMT. In addition, no effect of MMT on the sulfuric-acid formation over the same catalysts was found. A pronounced catalytic effect of the Mn deposit on the exhaust composition upstream of the catalyst caused a decrease of the NO concentration and an increase of the unburnt hydrocarbons.
- Research Organization:
- Ford Motor Co., Dearborn, MI
- OSTI ID:
- 6633148
- Journal Information:
- Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 12:2; ISSN ESTHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ADDITIVES
AIR POLLUTION ABATEMENT
AUTOMOBILES
AUTOMOTIVE FUELS
CATALYSTS
CATALYTIC CONVERTERS
CHALCOGENIDES
ECOLOGICAL CONCENTRATION
ENVIRONMENTAL EFFECTS
EQUIPMENT
FUELS
GASOLINE
MANGANESE COMPOUNDS
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
POLLUTION ABATEMENT
POLLUTION CONTROL EQUIPMENT
TRANSITION ELEMENT COMPOUNDS
VEHICLES
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ADDITIVES
AIR POLLUTION ABATEMENT
AUTOMOBILES
AUTOMOTIVE FUELS
CATALYSTS
CATALYTIC CONVERTERS
CHALCOGENIDES
ECOLOGICAL CONCENTRATION
ENVIRONMENTAL EFFECTS
EQUIPMENT
FUELS
GASOLINE
MANGANESE COMPOUNDS
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
POLLUTION ABATEMENT
POLLUTION CONTROL EQUIPMENT
TRANSITION ELEMENT COMPOUNDS
VEHICLES