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Nitrogen Oxide Removal Catalysts for Purification of Automobile Exhaust Gases
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Abstract
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.
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Ashmead, D., Campbell, J., Davies, P., and Farmery, K., "Nitrogen Oxide Removal Catalysts for Purification of Automobile Exhaust Gases," SAE Technical Paper 740249, 1974, https://doi.org/10.4271/740249.Also In
References
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