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Catalytic Combustion of Soot on KNO3/ZrO2 Catalysts. Effect of Potassium Nitrate Loading on Activity

Co−KNO3−ZrO2 and Co−ZrO2 were prepared. The concentration effect of potassium nitrate on the activity was studied for the oxidation reaction of soot. Catalysts were characterized using the techniques BET, XRD, DSC, TPR, and SEM and the catalytic activity was measured in a microbalance. An important...

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Published in:	Industrial & engineering chemistry research 2003-02, Vol.42 (4), p.692-697
Main Authors:	Carrascull, Alfredo L, Ponzi, Marta I, Ponzi, Esther N
Format:	Article
Language:	English
Subjects:	Air pollution caused by fuel industries Applied sciences Atmospheric pollution Catalysis Catalytic reactions Chemistry Combustion and energy production Energy Energy. Thermal use of fuels Exact sciences and technology General and physical chemistry Pollution Pollution reduction Prevention and purification methods Stack gas and industrial effluent processing Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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container_title	Industrial & engineering chemistry research
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creator	Carrascull, Alfredo L Ponzi, Marta I Ponzi, Esther N
description	Co−KNO3−ZrO2 and Co−ZrO2 were prepared. The concentration effect of potassium nitrate on the activity was studied for the oxidation reaction of soot. Catalysts were characterized using the techniques BET, XRD, DSC, TPR, and SEM and the catalytic activity was measured in a microbalance. An important decrease of the combustion temperature of soot is observed in experiments carried out with zirconium oxide alone and also a significant enhancement of the catalytic combustion rate of soot on KNO3/ZrO2 catalysts. The activity increase can be attributed to the alkaline metal ion and also to the increase of the catalyst/soot contact by the molten potassium nitrate.
doi_str_mv	10.1021/ie020482i
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source	American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects	Air pollution caused by fuel industries Applied sciences Atmospheric pollution Catalysis Catalytic reactions Chemistry Combustion and energy production Energy Energy. Thermal use of fuels Exact sciences and technology General and physical chemistry Pollution Pollution reduction Prevention and purification methods Stack gas and industrial effluent processing Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
title	Catalytic Combustion of Soot on KNO3/ZrO2 Catalysts. Effect of Potassium Nitrate Loading on Activity
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