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Zeolite supported Pt catalysts for reduction of NO under oxygen excess: a comparison of C3H6, HNCO and NH3 as reducing agents

Filip Acke (Institutionen för oorganisk miljökemi ; Kompetenscentrum katalys (KCK)) ; Magnus Skoglundh (Institutionen för teknisk ytkemi ; Kompetenscentrum katalys (KCK))
Applied Catalysis B: Environmental (0926-3373). Vol. 20 (1999), 3, p. 235-242.
[Artikel, refereegranskad vetenskaplig]

The effect of the zeolite SiO2/Al2O3 ratio of ZSM-5 supported Pt catalysts on the reduction of NO under oxygen excess has been investigated. The activity and selectivity of three reducing agents were compared, i.e. C3H6, HNCO and NH3. The maximum NO reduction with both C3H6 and HNCO as the reducing agent was affected by the SiO2/Al2O3 ratio of the support. Although no effect was observed on the maximum NO reduction for NH3, the yields of Nz and N2O were affected. The results are put in perspective of reaction mechanisms proposed in the literature.

Nyckelord: NOx reduction; platinum; ZSM-5; lean conditions; catalysis; ammonia; propene; isocyanate



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Denna post skapades 2012-01-27. Senast ändrad 2017-09-14.
CPL Pubid: 154468

 

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Institutioner (Chalmers)

Institutionen för oorganisk miljökemi (1900-2004)
Kompetenscentrum katalys (KCK)
Institutionen för teknisk ytkemi (1999-2003)

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