The chemistry involved in the selective catalytic reduction of oxides of nitrogen (NOx) to nitrogen is outlined and the requirements of a practical NOx reduction catalyst are summarized. The effects of temperature, gas composition, NOx concentration, and sulfur dioxide on the activity of some potential NOx catalysts have been studied. Steady-state engine dynamometer endurance runs with ruthenium and non-ruthenium catalysts are described, and some vehicle durability data with particulate and monolithic base metal containing NOx catalysts are also presented.
Nitrogen Oxide Removal Catalysts for Purification of Automobile Exhaust Gases
Sae Technical Papers
1974 Automotive Engineering Congress and Exposition ; 1974
01.02.1974
Aufsatz (Konferenz)
Englisch
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