Impact of Thermal Aging on the SCR Performance of Tungsten Doped CeVO4 Mixed Oxides
Résumé
The development of more thermally stable vanadia-based SCR catalysts for combined end-of-pipe technologies, i.e. selective catalytic reduction catalysts wash-coated on a particulate filter, has been considered in this study. The impact of thermal aging at 850 °C in wet atmosphere has been investigated on bulk W-doped CeVO4 catalysts. Strong detrimental effect on the specific surface area was observed delayed by the presence of tungsten. However, they preserve a significant selective conversion depending on the surface composition with an optimal tungsten composition.
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Preprint Impact of thermal aging on the SCR performance of tungsten doped CeVO4 mixed oxides.pdf (1.66 Mo)
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