Method for the removal of nox and catalyst therefor

Details Method for the removal of nox and catalyst therefor Method for the removal of nox and catalyst therefor

B - Operations, Transporting

01

D

B01D 53/86 (2006.01) B01J 29/06 (2006.01) B01J 29/068 (2006.01) B01J 29/22 (2006.01) B01J 29/24 (2006.01) B01J 29/74 (2006.01)

Patent

CA 2492868

The invention relates to a method for the catalytic reduction of NOx in an NOx containing gas using methane in the presence of a catalyst which comprises a palladium-containing zeolite. In this process one uses a zeolite based on rings of 12 oxygen atoms, wherein the zeolite also comprises scandium, yttrium, a lanthanide or a combination thereof. The invention also relates to the catalyst itself and the preparation thereof.

L'invention concerne un procédé de réduction catalytique de NO¿x? dans un gaz renfermant des NO¿x? au moyen de méthane en présence d'un catalyseur qui comprend un zéolite renfermant du palladium. Ce procédé fait intervenir un zéolite à noyaux de 12 atomes d'oxygène ainsi que du scandium, de l'yttrium, un lanthanide, seuls ou combinés. Cette invention concerne également le catalyseur proprement dit et son procédé de fabrication.

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