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The effect of gas c...
The effect of gas composition during thermal aging on the dispersion and NO oxidation activity over Pt/Al2O3 catalyst
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- Auvray, Xavier, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Olsson, Louise, 1974 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: CapoC 9, August 2012, Brussels, Belgium.
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Abstract
Subject headings
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- The effect of aging atmosphere (Ar, H2, O2, SO2, SO2+O2) during thermal aging of Pt/Al2O3 model diesel oxidation catalysts was studied. More specifically, the impact of the aging on the NO oxidation activity and platinum dispersion was investigated. Thermal aging caused a decrease in dispersion and an increase in NO oxidation performance. However, the aging behavior was strongly correlated with the nature of the ageing atmosphere. Catalysts with similar dispersion could have very different NO oxidation activity, depending on which atmosphere that they were aged with.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
Publication and Content Type
- kon (subject category)
- vet (subject category)
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