Lifetime impact of SO2-poisoning of a Cu-CHA catalyst for NH3-SCR

Peter S. Hammershøi; Ton V.W. Janssens; Anker D. Jensen

Lifetime impact of SO₂-poisoning of a Cu-CHA catalyst for NH₃-SCR

Peter S. Hammershøi, Ton V.W. Janssens, Anker D. Jensen

Umicore Denmark ApS

Research output: Contribution to conference › Poster › Research › peer-review

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Abstract

The highest activity for removal of NO_x (NO and NO₂₎ in the temperature range 180-250 °C, by selective catalytic reduction (SCR) with NH₃ in the after treatment system of heavy-duty vehicles, is obtained with Cu-zeolite catalysts. Improved fuel efficiency that is necessary for lower CO₂ emissions, has led to colder exhausts, which has increased the importance of efficient NO_x removal in that temperature range. However, Cu-zeolites deactivate by the inevitable presence of SO₂ in diesel exhaust, and therefore, we have investigated if the lifetime impact of SO₂ on the activityof a Cu-CHA zeolitecatalyst is prohibitivefor practicalapplication.

Original language	English
Publication date	2018
Number of pages	2
Publication status	Published - 2018
Event	The 10th International Conference on Environmental Catalysis, and The 3rd International Symposium on Catalytic Science and Technology in Sustainable Energy and Environment - Tianjin, China Duration: 21 Sept 2018 → 26 Sept 2018

Conference

Conference	The 10th International Conference on Environmental Catalysis, and The 3rd International Symposium on Catalytic Science and Technology in Sustainable Energy and Environment
Country/Territory	China
City	Tianjin
Period	21/09/2018 → 26/09/2018

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A0 poster ICEC2018 1Accepted author manuscript, 446 KB

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title = "Lifetime impact of SO2-poisoning of a Cu-CHA catalyst for NH3-SCR",

abstract = "The highest activity for removal of NOx (NO and NO2) in the temperature range 180-250 °C, by selective catalytic reduction (SCR) with NH3 in the after treatment system of heavy-duty vehicles, is obtained with Cu-zeolite catalysts. Improved fuel efficiency that is necessary for lower CO2 emissions, has led to colder exhausts, which has increased the importance of efficient NOx removal in that temperature range. However, Cu-zeolites deactivate by the inevitable presence of SO2 in diesel exhaust, and therefore, we have investigated if the lifetime impact of SO2 on the activityof a Cu-CHA zeolitecatalyst is prohibitivefor practicalapplication.",

author = "Hammersh{\o}i, {Peter S.} and Janssens, {Ton V.W.} and Jensen, {Anker D.}",

year = "2018",

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note = "The 10th International Conference on Environmental Catalysis, and The 3rd International Symposium on Catalytic Science and Technology in Sustainable Energy and Environment, ICEC, EECAT ; Conference date: 21-09-2018 Through 26-09-2018",

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Lifetime impact of SO₂-poisoning of a Cu-CHA catalyst for NH₃-SCR. / Hammershøi, Peter S.; Janssens, Ton V.W.; Jensen, Anker D.
2018. Poster session presented at The 10th International Conference on Environmental Catalysis, and The 3rd International Symposium on Catalytic Science and Technology in Sustainable Energy and Environment, Tianjin, China.

Research output: Contribution to conference › Poster › Research › peer-review

TY - CONF

T1 - Lifetime impact of SO2-poisoning of a Cu-CHA catalyst for NH3-SCR

AU - Hammershøi, Peter S.

AU - Janssens, Ton V.W.

AU - Jensen, Anker D.

PY - 2018

Y1 - 2018

N2 - The highest activity for removal of NOx (NO and NO2) in the temperature range 180-250 °C, by selective catalytic reduction (SCR) with NH3 in the after treatment system of heavy-duty vehicles, is obtained with Cu-zeolite catalysts. Improved fuel efficiency that is necessary for lower CO2 emissions, has led to colder exhausts, which has increased the importance of efficient NOx removal in that temperature range. However, Cu-zeolites deactivate by the inevitable presence of SO2 in diesel exhaust, and therefore, we have investigated if the lifetime impact of SO2 on the activityof a Cu-CHA zeolitecatalyst is prohibitivefor practicalapplication.

AB - The highest activity for removal of NOx (NO and NO2) in the temperature range 180-250 °C, by selective catalytic reduction (SCR) with NH3 in the after treatment system of heavy-duty vehicles, is obtained with Cu-zeolite catalysts. Improved fuel efficiency that is necessary for lower CO2 emissions, has led to colder exhausts, which has increased the importance of efficient NOx removal in that temperature range. However, Cu-zeolites deactivate by the inevitable presence of SO2 in diesel exhaust, and therefore, we have investigated if the lifetime impact of SO2 on the activityof a Cu-CHA zeolitecatalyst is prohibitivefor practicalapplication.

M3 - Poster

T2 - The 10th International Conference on Environmental Catalysis, and The 3rd International Symposium on Catalytic Science and Technology in Sustainable Energy and Environment

Y2 - 21 September 2018 through 26 September 2018

ER -